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Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450

Started byLaurentiu Pancescu <lpancescu@gmail.com>
First post2025-10-02 07:10 +0200
Last post2025-10-12 20:10 +0200
Articles 3 — 3 participants

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  Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450 Laurentiu Pancescu <lpancescu@gmail.com> - 2025-10-02 07:10 +0200
    Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450 Salvatore Bonaccorso <carnil@debian.org> - 2025-10-12 20:10 +0200
    Processed: Re: Bug#1117002: linux-image-6.12.48+deb13-amd64:  warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel  Atom N450 "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-10-12 20:10 +0200

#89471 — Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450

FromLaurentiu Pancescu <lpancescu@gmail.com>
Date2025-10-02 07:10 +0200
SubjectBug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450
Message-ID<LBjJL-27wC-7@gated-at.bofh.it>
Package: src:linux
Version: 6.12.48-1
Severity: normal
X-Debbugs-Cc: lpancescu@gmail.com

Dear Maintainer,

I'm getting the following warning on the current stable kernel (oldstable doesn't show this issue):

ct 02 06:15:53 snowbell kernel: WARNING: CPU: 1 PID: 0 at arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap+0xde/0x130
Oct 02 06:15:53 snowbell kernel: Modules linked in:
Oct 02 06:15:53 snowbell kernel: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.48+deb13-amd64 #1  Debian 6.12.48-1
Oct 02 06:15:53 snowbell kernel: Hardware name: ASUSTeK Computer INC. 1005PE/1005P, BIOS 1202    06/23/2010
Oct 02 06:15:53 snowbell kernel: RIP: 0010:do_clear_cpu_cap+0xde/0x130
Oct 02 06:15:53 snowbell kernel: Code: 24 60 65 48 2b 04 25 28 00 00 00 75 67 48 83 c4 68 5b 5d 41 5c 41 5d c3 cc cc cc cc 8b 15 4a 46 e0 01 85 d2 0f 84 6e ff ff ff <0f> 0b e9 67 ff ff ff 48 c7 c7 20 36 86 ac e8 0f ff ff ff f0 4c 0f
Oct 02 06:15:53 snowbell kernel: RSP: 0000:ffffade7c00d7e10 EFLAGS: 00010002
Oct 02 06:15:53 snowbell kernel: RAX: 0000000000000000 RBX: ffffade7c00d7e10 RCX: 0000000000000000
Oct 02 06:15:53 snowbell kernel: RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffade7c00d7e70
Oct 02 06:15:53 snowbell kernel: RBP: 0000000000000070 R08: 0000000000000000 R09: ffffade7c00d7c70
Oct 02 06:15:53 snowbell kernel: R10: ffffffffac6b43a8 R11: 0000000000000003 R12: 0000000000000000
Oct 02 06:15:53 snowbell kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Oct 02 06:15:53 snowbell kernel: FS:  0000000000000000(0000) GS:ffff9ba83d500000(0000) knlGS:0000000000000000
Oct 02 06:15:53 snowbell kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 02 06:15:53 snowbell kernel: CR2: 0000000000000000 CR3: 000000006d822000 CR4: 00000000000006f0
Oct 02 06:15:53 snowbell kernel: Call Trace:
Oct 02 06:15:53 snowbell kernel:  <TASK>
Oct 02 06:15:53 snowbell kernel:  early_init_intel.cold+0x34/0x10c
Oct 02 06:15:53 snowbell kernel:  init_intel+0x27/0x360
Oct 02 06:15:53 snowbell kernel:  identify_cpu+0x15e/0x5d0
Oct 02 06:15:53 snowbell kernel:  identify_secondary_cpu+0x12/0x40
Oct 02 06:15:53 snowbell kernel:  smp_store_cpu_info+0x49/0x60
Oct 02 06:15:53 snowbell kernel:  start_secondary+0x7f/0x140
Oct 02 06:15:53 snowbell kernel:  common_startup_64+0x13e/0x141
Oct 02 06:15:53 snowbell kernel:  </TASK>
Oct 02 06:15:53 snowbell kernel: ---[ end trace 0000000000000000 ]---
Oct 02 06:15:53 snowbell kernel: ------------[ cut here ]------------
Oct 02 06:15:53 snowbell kernel: WARNING: CPU: 1 PID: 0 at arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap+0xde/0x130
Oct 02 06:15:53 snowbell kernel: Modules linked in:
Oct 02 06:15:53 snowbell kernel: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G        W          6.12.48+deb13-amd64 #1  Debian 6.12.48-1
Oct 02 06:15:53 snowbell kernel: Tainted: [W]=WARN
Oct 02 06:15:53 snowbell kernel: Hardware name: ASUSTeK Computer INC. 1005PE/1005P, BIOS 1202    06/23/2010
Oct 02 06:15:53 snowbell kernel: RIP: 0010:do_clear_cpu_cap+0xde/0x130
Oct 02 06:15:53 snowbell kernel: Code: 24 60 65 48 2b 04 25 28 00 00 00 75 67 48 83 c4 68 5b 5d 41 5c 41 5d c3 cc cc cc cc 8b 15 4a 46 e0 01 85 d2 0f 84 6e ff ff ff <0f> 0b e9 67 ff ff ff 48 c7 c7 20 36 86 ac e8 0f ff ff ff f0 4c 0f
Oct 02 06:15:53 snowbell kernel: RSP: 0000:ffffade7c00d7d80 EFLAGS: 00010002
Oct 02 06:15:53 snowbell kernel: RAX: 0000000000000000 RBX: ffffade7c00d7d80 RCX: 0000000000000000
Oct 02 06:15:53 snowbell kernel: RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffade7c00d7de0
Oct 02 06:15:53 snowbell kernel: RBP: 0000000000000070 R08: 0000000000000000 R09: ffffade7c00d7c70
Oct 02 06:15:53 snowbell kernel: R10: ffffffffac6b43a8 R11: 0000000000000003 R12: ffffffffac863620
Oct 02 06:15:53 snowbell kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Oct 02 06:15:53 snowbell kernel: FS:  0000000000000000(0000) GS:ffff9ba83d500000(0000) knlGS:0000000000000000
Oct 02 06:15:53 snowbell kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 02 06:15:53 snowbell kernel: CR2: 0000000000000000 CR3: 000000006d822000 CR4: 00000000000006f0
Oct 02 06:15:53 snowbell kernel: Call Trace:
Oct 02 06:15:53 snowbell kernel:  <TASK>
Oct 02 06:15:53 snowbell kernel:  do_clear_cpu_cap+0x108/0x130
Oct 02 06:15:53 snowbell kernel:  early_init_intel.cold+0x34/0x10c
Oct 02 06:15:53 snowbell kernel:  init_intel+0x27/0x360
Oct 02 06:15:53 snowbell kernel:  identify_cpu+0x15e/0x5d0
Oct 02 06:15:53 snowbell kernel:  identify_secondary_cpu+0x12/0x40
Oct 02 06:15:53 snowbell kernel:  smp_store_cpu_info+0x49/0x60
Oct 02 06:15:53 snowbell kernel:  start_secondary+0x7f/0x140
Oct 02 06:15:53 snowbell kernel:  common_startup_64+0x13e/0x141
Oct 02 06:15:53 snowbell kernel:  </TASK>
Oct 02 06:15:53 snowbell kernel: ---[ end trace 0000000000000000 ]---



-- Package-specific info:
** Version:
Linux version 6.12.48+deb13-amd64 (debian-kernel@lists.debian.org) (x86_64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #1 SMP PREEMPT_DYNAMIC Debian 6.12.48-1 (2025-09-20)

** Command line:
BOOT_IMAGE=/vmlinuz-6.12.48+deb13-amd64 root=/dev/mapper/snowbell--vg-root ro quiet

** Tainted: W (512)
 * kernel issued warning

** Kernel log:
[   54.169709] EXT4-fs (dm-1): re-mounted ca035566-a349-489b-98cd-3d2025b35e0a r/w.
[   54.176447] systemd[1]: Mounted sys-fs-fuse-connections.mount - FUSE Control File System.
[   54.179210] systemd[1]: Finished systemd-remount-fs.service - Remount Root and Kernel File Systems.
[   54.198415] systemd[1]: systemd-hwdb-update.service - Rebuild Hardware Database was skipped because of an unmet condition check (ConditionNeedsUpdate=/etc).
[   54.239285] systemd[1]: Finished systemd-udev-load-credentials.service - Load udev Rules from Credentials.
[   54.326721] systemd-journald[414]: Collecting audit messages is disabled.
[   54.449711] lp: driver loaded but no devices found
[   54.598645] ppdev: user-space parallel port driver
[   54.749688] systemd[1]: Finished systemd-modules-load.service - Load Kernel Modules.
[   54.765577] systemd[1]: Starting systemd-sysctl.service - Apply Kernel Variables...
[   55.106716] systemd[1]: Finished systemd-tmpfiles-setup-dev-early.service - Create Static Device Nodes in /dev gracefully.
[   55.116142] systemd[1]: systemd-sysusers.service - Create System Users was skipped because no trigger condition checks were met.
[   55.130955] systemd[1]: Starting systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev...
[   55.184699] systemd[1]: Finished systemd-sysctl.service - Apply Kernel Variables.
[   55.225028] systemd[1]: Started systemd-journald.service - Journal Service.
[   57.954205] sd 0:0:0:0: Attached scsi generic sg0 type 0
[   58.647140] ACPI: AC: AC Adapter [AC0] (on-line)
[   59.853624] input: PC Speaker as /devices/platform/pcspkr/input/input8
[   59.969449] Adding 2084860k swap on /dev/mapper/snowbell--vg-swap_1.  Priority:-2 extents:1 across:2084860k 
[   60.480659] intel_powerclamp: No package C-state available
[   60.589156] mc: Linux media interface: v0.10
[   60.695668] asus_wmi: ASUS WMI generic driver loaded
[   60.909927] eeepc_wmi: Found legacy ATKD device (ASUS010)
[   60.909943] eeepc_wmi: WMI device present, but legacy ATKD device is also present and enabled
[   60.909948] eeepc_wmi: You probably booted with acpi_osi="Linux" or acpi_osi="!Windows 2009"
[   60.909953] eeepc_wmi: Can't load eeepc-wmi, use default acpi_osi (preferred) or eeepc-laptop
[   60.909963] eeepc-wmi eeepc-wmi: probe with driver eeepc-wmi failed with error -16
[   61.275135] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[   61.454780] Loaded X.509 cert 'benh@debian.org: 577e021cb980e0e820821ba7b54b4961b8b4fadf'
[   61.469566] Loaded X.509 cert 'romain.perier@gmail.com: 3abbc6ec146e09d1b6016ab9d6cf71dd233f0328'
[   61.471586] Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[   61.489038] Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'
[   61.841342] videodev: Linux video capture interface: v2.00
[   62.913793] usb 1-6: Found UVC 1.00 device USB2.0 UVC VGA WebCam (13d3:5111)
[   62.926194] input: USB2.0 UVC VGA WebCam as /devices/pci0000:00/0000:00:1d.7/usb1/1-6/1-6:1.0/input/input9
[   62.928435] usbcore: registered new interface driver uvcvideo
[   63.230710] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC269: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[   63.230737] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   63.230751] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
[   63.230762] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[   63.230771] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[   63.230780] snd_hda_codec_realtek hdaudioC0D0:      Mic=0x18
[   63.230790] snd_hda_codec_realtek hdaudioC0D0:      Internal Mic=0x12
[   63.263362] input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[   63.263705] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[   63.264066] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[   64.097465] ath: phy0: ASPM enabled: 0x42
[   64.097488] ath: EEPROM regdomain: 0x60
[   64.097493] ath: EEPROM indicates we should expect a direct regpair map
[   64.097500] ath: Country alpha2 being used: 00
[   64.097505] ath: Regpair used: 0x60
[   64.101765] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[   64.124414] ieee80211 phy0: Atheros AR9285 Rev:2 mem=0x000000001ac6cf49, irq=17
[   64.266004] ath9k 0000:02:00.0 wlp2s0: renamed from wlan0
[   64.732779] EXT4-fs (sda1): mounted filesystem f444dbc5-59f8-4b36-8a4c-d484cbb4f8d4 r/w with ordered data mode. Quota mode: none.
[   64.794221] EXT4-fs (dm-4): mounted filesystem 312a0d02-e5b3-4414-9549-b863e5bc817e r/w with ordered data mode. Quota mode: none.
[   64.984709] EXT4-fs (dm-2): mounted filesystem 782f6679-a9e5-4b30-8fba-2bf4a3c029f8 r/w with ordered data mode. Quota mode: none.
[   65.048530] EXT4-fs (dm-5): mounted filesystem 6477f7cb-0c1a-45df-b139-28717335786e r/w with ordered data mode. Quota mode: none.
[   65.284959] systemd-journald[414]: Received client request to flush runtime journal.
[   66.447697] audit: type=1400 audit(1759378565.844:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="1password" pid=617 comm="apparmor_parser"
[   66.447729] audit: type=1400 audit(1759378565.844:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="Discord" pid=618 comm="apparmor_parser"
[   66.485844] audit: type=1400 audit(1759378565.884:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name=4D6F6E676F444220436F6D70617373 pid=619 comm="apparmor_parser"
[   66.486833] audit: type=1400 audit(1759378565.884:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="QtWebEngineProcess" pid=620 comm="apparmor_parser"
[   66.520853] audit: type=1400 audit(1759378565.920:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="balena-etcher" pid=622 comm="apparmor_parser"
[   66.544665] audit: type=1400 audit(1759378565.940:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="brave" pid=623 comm="apparmor_parser"
[   66.553535] audit: type=1400 audit(1759378565.952:8): apparmor="STATUS" operation="profile_load" profile="unconfined" name="buildah" pid=624 comm="apparmor_parser"
[   66.568744] audit: type=1400 audit(1759378565.964:9): apparmor="STATUS" operation="profile_load" profile="unconfined" name="busybox" pid=625 comm="apparmor_parser"
[   66.582229] audit: type=1400 audit(1759378565.980:10): apparmor="STATUS" operation="profile_load" profile="unconfined" name="cam" pid=626 comm="apparmor_parser"
[   66.596853] audit: type=1400 audit(1759378565.996:11): apparmor="STATUS" operation="profile_load" profile="unconfined" name="ch-checkns" pid=627 comm="apparmor_parser"
[   78.742266] NET: Registered PF_QIPCRTR protocol family
[   80.459818] kauditd_printk_skb: 106 callbacks suppressed
[   80.459834] audit: type=1400 audit(1759378579.856:118): apparmor="DENIED" operation="open" class="file" profile="/usr/sbin/cupsd" name="/etc/paperspecs" pid=872 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[   80.877672] audit: type=1400 audit(1759378580.276:119): apparmor="DENIED" operation="capable" class="cap" profile="/usr/sbin/cupsd" pid=872 comm="cupsd" capability=12  capname="net_admin"
[   81.615059] wlp2s0: authenticate with 0c:72:74:4f:ae:46 (local address=00:25:d3:f6:64:82)
[   81.615082] wlp2s0: send auth to 0c:72:74:4f:ae:46 (try 1/3)
[   81.617099] wlp2s0: authenticated
[   81.621806] wlp2s0: associate with 0c:72:74:4f:ae:46 (try 1/3)
[   81.627098] wlp2s0: RX AssocResp from 0c:72:74:4f:ae:46 (capab=0x1411 status=0 aid=17)
[   81.627282] wlp2s0: associated
[   81.628193] ath: EEPROM regdomain: 0x8114
[   81.628213] ath: EEPROM indicates we should expect a country code
[   81.628221] ath: doing EEPROM country->regdmn map search
[   81.628336] ath: country maps to regdmn code: 0x37
[   81.628346] ath: Country alpha2 being used: DE
[   81.628353] ath: Regpair used: 0x37
[   81.628359] ath: regdomain 0x8114 dynamically updated by country element
[   81.758355] audit: type=1400 audit(1759378581.156:120): apparmor="ALLOWED" operation="capable" class="cap" profile="Xorg" pid=889 comm="Xorg" capability=12  capname="net_admin"
[   82.235377] wlp2s0: Limiting TX power to 20 (20 - 0) dBm as advertised by 0c:72:74:4f:ae:46
[   89.643031] audit: type=1400 audit(1759378589.040:121): apparmor="ALLOWED" operation="capable" class="cap" profile="Xorg" pid=922 comm="Xorg" capability=12  capname="net_admin"
[  335.147744] audit: type=1400 audit(1759378834.545:122): apparmor="ALLOWED" operation="capable" class="cap" profile="Xorg" pid=1065 comm="Xorg" capability=26  capname="sys_tty_config"
[  496.833209] perf: interrupt took too long (2520 > 2500), lowering kernel.perf_event_max_sample_rate to 79250
[  523.201733] perf: interrupt took too long (3203 > 3150), lowering kernel.perf_event_max_sample_rate to 62250
[ 1067.765148] audit: type=1400 audit(1759379567.166:123): apparmor="ALLOWED" operation="open" class="file" profile="Xorg" name="/sys/devices/pci0000:00/0000:00:02.0/backlight/acpi_video0/bl_power" pid=1137 comm="Xorg" requested_mask="w" denied_mask="w" fsuid=0 ouid=0
[ 1068.560587] audit: type=1400 audit(1759379567.962:124): apparmor="ALLOWED" operation="open" class="file" profile="Xorg" name="/sys/devices/pci0000:00/0000:00:02.0/backlight/acpi_video0/bl_power" pid=1137 comm="Xorg" requested_mask="w" denied_mask="w" fsuid=0 ouid=0
[ 1473.683260] perf: interrupt took too long (4033 > 4003), lowering kernel.perf_event_max_sample_rate to 49500
[ 1473.839515] audit: type=1400 audit(1759379973.238:125): apparmor="DENIED" operation="file_inherit" class="file" profile="man_groff" name="/dev/tty4" pid=1717 comm="preconv" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000
[ 1473.876311] audit: type=1400 audit(1759379973.274:126): apparmor="DENIED" operation="file_inherit" class="file" profile="man_groff" name="/dev/tty4" pid=1718 comm="tbl" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000
[ 1473.898998] audit: type=1400 audit(1759379973.298:127): apparmor="DENIED" operation="file_inherit" class="file" profile="man_groff" name="/dev/tty4" pid=1725 comm="troff" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000
[ 2089.933256] audit: type=1400 audit(1759380589.332:128): apparmor="DENIED" operation="open" class="file" profile="/usr/sbin/cupsd" name="/etc/paperspecs" pid=2012 comm="cupsd" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
[ 2089.955580] audit: type=1400 audit(1759380589.352:129): apparmor="DENIED" operation="capable" class="cap" profile="/usr/sbin/cupsd" pid=2012 comm="cupsd" capability=12  capname="net_admin"

** Model information
sys_vendor: ASUSTeK Computer INC.
product_name: 1005PE
product_version: x.x
chassis_vendor: ASUSTeK Computer INC.
chassis_version: x.x
bios_vendor: American Megatrends Inc.
bios_version: 1202   
board_vendor: ASUSTeK Computer INC.
board_name: 1005P
board_version: x.xx

** Configuration for modprobe:
blacklist arkfb
blacklist aty128fb
blacklist atyfb
blacklist radeonfb
blacklist cirrusfb
blacklist cyber2000fb
blacklist kyrofb
blacklist matroxfb_base
blacklist mb862xxfb
blacklist neofb
blacklist pm2fb
blacklist pm3fb
blacklist s3fb
blacklist savagefb
blacklist sisfb
blacklist tdfxfb
blacklist tridentfb
blacklist vt8623fb
blacklist microcode
options snd_pcsp index=-2
options cx88_alsa index=-2
options snd_atiixp_modem index=-2
options snd_intel8x0m index=-2
options snd_via82xx_modem index=-2
options bonding max_bonds=0
options dummy numdummies=0
options ifb numifbs=0

** Loaded modules:
ccm
qrtr
binfmt_misc
ath9k
ath9k_common
ath9k_hw
ath
snd_hda_codec_realtek
uvcvideo
snd_hda_codec_generic
mac80211
videobuf2_vmalloc
snd_hda_scodec_component
uvc
snd_hda_intel
videobuf2_memops
snd_intel_dspcfg
videobuf2_v4l2
snd_intel_sdw_acpi
snd_hda_codec
libarc4
videodev
snd_hda_core
cfg80211
videobuf2_common
snd_hwdep
asus_wmi
snd_pcm
mc
sparse_keymap
platform_profile
coretemp
wmi_bmof
snd_timer
acpi_cpufreq
rfkill
pcspkr
snd
soundcore
ac
evdev
joydev
sg
parport_pc
ppdev
lp
parport
efi_pstore
configfs
nfnetlink
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
gf128mul
crypto_simd
cryptd
xts
dm_crypt
dm_mod
i915
drm_buddy
i2c_algo_bit
drm_display_helper
sd_mod
cec
rc_core
ahci
uhci_hcd
libahci
iTCO_wdt
ttm
libata
ehci_pci
intel_pmc_bxt
ehci_hcd
drm_kms_helper
iTCO_vendor_support
sha512_ssse3
watchdog
scsi_mod
sha256_ssse3
drm
usbcore
psmouse
sha1_ssse3
i2c_i801
serio_raw
atl1c
lpc_ich
i2c_smbus
scsi_common
usb_common
video
battery
wmi
button

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx DMI Bridge [8086:a010]
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ac]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>

00:02.0 VGA compatible controller [0300]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller [8086:a011] (prog-if 00 [VGA controller])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ac]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at f7e00000 (32-bit, non-prefetchable) [size=512K]
	Region 1: I/O ports at dc00 [size=8]
	Region 2: Memory at d0000000 (32-bit, prefetchable) [size=256M]
	Region 3: Memory at f7d00000 (32-bit, non-prefetchable) [size=1M]
	Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:02.1 Display controller [0380]: Intel Corporation Atom Processor D4xx/D5xx/N4xx/N5xx Integrated Graphics Controller [8086:a012]
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ac]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: Memory at f7e80000 (32-bit, non-prefetchable) [size=512K]
	Capabilities: <access denied>

00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition Audio Controller [8086:27d8] (rev 02)
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ce]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 25
	Region 0: Memory at f7cf8000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1 [8086:27d0] (rev 02) (prog-if 00 [Normal decode])
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ad]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 16
	Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
	I/O behind bridge: 1000-1fff [size=4K] [16-bit]
	Memory behind bridge: 80000000-801fffff [size=2M] [32-bit]
	Prefetchable memory behind bridge: 80200000-803fffff [size=2M] [32-bit]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.1 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 2 [8086:27d2] (rev 02) (prog-if 00 [Normal decode])
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ad]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin B routed to IRQ 17
	Bus: primary=00, secondary=02, subordinate=03, sec-latency=0
	I/O behind bridge: 2000-2fff [size=4K] [16-bit]
	Memory behind bridge: f8000000-fbffffff [size=64M] [32-bit]
	Prefetchable memory behind bridge: f0000000-f6ffffff [size=112M] [32-bit]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.3 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 4 [8086:27d6] (rev 02) (prog-if 00 [Normal decode])
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ad]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin D routed to IRQ 19
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: e000-efff [size=4K] [16-bit]
	Memory behind bridge: f7f00000-f7ffffff [size=1M] [32-bit]
	Prefetchable memory behind bridge: 80400000-805fffff [size=2M] [32-bit]
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 02) (prog-if 00 [UHCI])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 4: I/O ports at d400 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 [8086:27c9] (rev 02) (prog-if 00 [UHCI])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 19
	Region 4: I/O ports at d480 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 [8086:27ca] (rev 02) (prog-if 00 [UHCI])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 18
	Region 4: I/O ports at d800 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 [8086:27cb] (rev 02) (prog-if 00 [UHCI])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin D routed to IRQ 16
	Region 4: I/O ports at d880 [size=32]
	Kernel driver in use: uhci_hcd
	Kernel modules: uhci_hcd

00:1d.7 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller [8086:27cc] (rev 02) (prog-if 20 [EHCI])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: Memory at f7cf7c00 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e2) (prog-if 01 [Subtractive decode])
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ad]
	Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Bus: primary=00, secondary=05, subordinate=05, sec-latency=32
	I/O behind bridge: [disabled] [16-bit]
	Memory behind bridge: [disabled] [32-bit]
	Prefetchable memory behind bridge: [disabled] [64-bit]
	Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR+ NoISA- VGA- VGA16- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation NM10 Family LPC Controller [8086:27bc] (rev 02)
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation NM10/ICH7 Family SATA Controller [AHCI mode] [8086:27c1] (rev 02) (prog-if 01 [AHCI 1.0])
	Subsystem: ASUSTeK Computer Inc. Eee PC 1015PX [1043:83ad]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 24
	Region 0: I/O ports at d080 [size=8]
	Region 1: I/O ports at d000 [size=4]
	Region 2: I/O ports at cc00 [size=8]
	Region 3: I/O ports at c880 [size=4]
	Region 4: I/O ports at c800 [size=32]
	Region 5: Memory at f7cf7800 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1f.3 SMBus [0c05]: Intel Corporation NM10/ICH7 Family SMBus Controller [8086:27da] (rev 02)
	Subsystem: ASUSTeK Computer Inc. Device [1043:83ad]
	Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin B routed to IRQ 21
	Region 4: I/O ports at 0400 [size=32]
	Kernel modules: i2c_i801

01:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8132 Fast Ethernet [1969:1062] (rev c0)
	Subsystem: ASUSTeK Computer Inc. Device [1043:838a]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 26
	Region 0: Memory at f7fc0000 (64-bit, non-prefetchable) [size=256K]
	Region 2: I/O ports at ec00 [size=128]
	Capabilities: <access denied>
	Kernel driver in use: atl1c
	Kernel modules: atl1c

02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
	Subsystem: AzureWave AW-NE785 / AW-NE785H 802.11bgn Wireless Full or Half-size Mini PCIe Card [1a3b:1089]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 32 bytes
	Interrupt: pin A routed to IRQ 17
	Region 0: Memory at fbff0000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: ath9k
	Kernel modules: ath9k


** USB devices:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 13d3:5111 IMC Networks Integrated Webcam
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


-- System Information:
Debian Release: 13.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.48+deb13-amd64 (SMP w/2 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-6.12.48+deb13-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.148.3
ii  kmod                                    34.2-2
ii  linux-base                              4.12

Versions of packages linux-image-6.12.48+deb13-amd64 recommends:
ii  apparmor  4.1.0-1

Versions of packages linux-image-6.12.48+deb13-amd64 suggests:
pn  debian-kernel-handbook  <none>
pn  firmware-linux-free     <none>
ii  grub-pc                 2.12-9
pn  linux-doc-6.12          <none>

Versions of packages linux-image-6.12.48+deb13-amd64 is related to:
pn  firmware-amd-graphics      <none>
pn  firmware-atheros           <none>
pn  firmware-bnx2              <none>
pn  firmware-bnx2x             <none>
pn  firmware-brcm80211         <none>
pn  firmware-cavium            <none>
pn  firmware-cirrus            <none>
ii  firmware-intel-graphics    20250410-2
pn  firmware-intel-misc        <none>
pn  firmware-intel-sound       <none>
pn  firmware-ipw2x00           <none>
pn  firmware-ivtv              <none>
pn  firmware-iwlwifi           <none>
pn  firmware-libertas          <none>
pn  firmware-marvell-prestera  <none>
pn  firmware-mediatek          <none>
pn  firmware-misc-nonfree      <none>
pn  firmware-myricom           <none>
pn  firmware-netronome         <none>
pn  firmware-netxen            <none>
pn  firmware-nvidia-graphics   <none>
pn  firmware-qcom-soc          <none>
pn  firmware-qlogic            <none>
pn  firmware-realtek           <none>
pn  firmware-samsung           <none>
pn  firmware-siano             <none>
pn  firmware-ti-connectivity   <none>
pn  xen-hypervisor             <none>

-- no debconf information

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#89558

FromSalvatore Bonaccorso <carnil@debian.org>
Date2025-10-12 20:10 +0200
Message-ID<LF8G5-4GQZ-1@gated-at.bofh.it>
In reply to#89471
Control: tags -1 + moreinfo

On Thu, Oct 02, 2025 at 07:05:55AM +0200, Laurentiu Pancescu wrote:
> Package: src:linux
> Version: 6.12.48-1
> Severity: normal
> X-Debbugs-Cc: lpancescu@gmail.com
> 
> Dear Maintainer,
> 
> I'm getting the following warning on the current stable kernel (oldstable doesn't show this issue):
> 
> ct 02 06:15:53 snowbell kernel: WARNING: CPU: 1 PID: 0 at arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap+0xde/0x130
> Oct 02 06:15:53 snowbell kernel: Modules linked in:
> Oct 02 06:15:53 snowbell kernel: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.48+deb13-amd64 #1  Debian 6.12.48-1
> Oct 02 06:15:53 snowbell kernel: Hardware name: ASUSTeK Computer INC. 1005PE/1005P, BIOS 1202    06/23/2010
> Oct 02 06:15:53 snowbell kernel: RIP: 0010:do_clear_cpu_cap+0xde/0x130
> Oct 02 06:15:53 snowbell kernel: Code: 24 60 65 48 2b 04 25 28 00 00 00 75 67 48 83 c4 68 5b 5d 41 5c 41 5d c3 cc cc cc cc 8b 15 4a 46 e0 01 85 d2 0f 84 6e ff ff ff <0f> 0b e9 67 ff ff ff 48 c7 c7 20 36 86 ac e8 0f ff ff ff f0 4c 0f
> Oct 02 06:15:53 snowbell kernel: RSP: 0000:ffffade7c00d7e10 EFLAGS: 00010002
> Oct 02 06:15:53 snowbell kernel: RAX: 0000000000000000 RBX: ffffade7c00d7e10 RCX: 0000000000000000
> Oct 02 06:15:53 snowbell kernel: RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffade7c00d7e70
> Oct 02 06:15:53 snowbell kernel: RBP: 0000000000000070 R08: 0000000000000000 R09: ffffade7c00d7c70
> Oct 02 06:15:53 snowbell kernel: R10: ffffffffac6b43a8 R11: 0000000000000003 R12: 0000000000000000
> Oct 02 06:15:53 snowbell kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
> Oct 02 06:15:53 snowbell kernel: FS:  0000000000000000(0000) GS:ffff9ba83d500000(0000) knlGS:0000000000000000
> Oct 02 06:15:53 snowbell kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Oct 02 06:15:53 snowbell kernel: CR2: 0000000000000000 CR3: 000000006d822000 CR4: 00000000000006f0
> Oct 02 06:15:53 snowbell kernel: Call Trace:
> Oct 02 06:15:53 snowbell kernel:  <TASK>
> Oct 02 06:15:53 snowbell kernel:  early_init_intel.cold+0x34/0x10c
> Oct 02 06:15:53 snowbell kernel:  init_intel+0x27/0x360
> Oct 02 06:15:53 snowbell kernel:  identify_cpu+0x15e/0x5d0
> Oct 02 06:15:53 snowbell kernel:  identify_secondary_cpu+0x12/0x40
> Oct 02 06:15:53 snowbell kernel:  smp_store_cpu_info+0x49/0x60
> Oct 02 06:15:53 snowbell kernel:  start_secondary+0x7f/0x140
> Oct 02 06:15:53 snowbell kernel:  common_startup_64+0x13e/0x141
> Oct 02 06:15:53 snowbell kernel:  </TASK>
> Oct 02 06:15:53 snowbell kernel: ---[ end trace 0000000000000000 ]---
> Oct 02 06:15:53 snowbell kernel: ------------[ cut here ]------------
> Oct 02 06:15:53 snowbell kernel: WARNING: CPU: 1 PID: 0 at arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap+0xde/0x130
> Oct 02 06:15:53 snowbell kernel: Modules linked in:
> Oct 02 06:15:53 snowbell kernel: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G        W          6.12.48+deb13-amd64 #1  Debian 6.12.48-1
> Oct 02 06:15:53 snowbell kernel: Tainted: [W]=WARN
> Oct 02 06:15:53 snowbell kernel: Hardware name: ASUSTeK Computer INC. 1005PE/1005P, BIOS 1202    06/23/2010
> Oct 02 06:15:53 snowbell kernel: RIP: 0010:do_clear_cpu_cap+0xde/0x130
> Oct 02 06:15:53 snowbell kernel: Code: 24 60 65 48 2b 04 25 28 00 00 00 75 67 48 83 c4 68 5b 5d 41 5c 41 5d c3 cc cc cc cc 8b 15 4a 46 e0 01 85 d2 0f 84 6e ff ff ff <0f> 0b e9 67 ff ff ff 48 c7 c7 20 36 86 ac e8 0f ff ff ff f0 4c 0f
> Oct 02 06:15:53 snowbell kernel: RSP: 0000:ffffade7c00d7d80 EFLAGS: 00010002
> Oct 02 06:15:53 snowbell kernel: RAX: 0000000000000000 RBX: ffffade7c00d7d80 RCX: 0000000000000000
> Oct 02 06:15:53 snowbell kernel: RDX: 0000000000000001 RSI: 0000000000000070 RDI: ffffade7c00d7de0
> Oct 02 06:15:53 snowbell kernel: RBP: 0000000000000070 R08: 0000000000000000 R09: ffffade7c00d7c70
> Oct 02 06:15:53 snowbell kernel: R10: ffffffffac6b43a8 R11: 0000000000000003 R12: ffffffffac863620
> Oct 02 06:15:53 snowbell kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
> Oct 02 06:15:53 snowbell kernel: FS:  0000000000000000(0000) GS:ffff9ba83d500000(0000) knlGS:0000000000000000
> Oct 02 06:15:53 snowbell kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> Oct 02 06:15:53 snowbell kernel: CR2: 0000000000000000 CR3: 000000006d822000 CR4: 00000000000006f0
> Oct 02 06:15:53 snowbell kernel: Call Trace:
> Oct 02 06:15:53 snowbell kernel:  <TASK>
> Oct 02 06:15:53 snowbell kernel:  do_clear_cpu_cap+0x108/0x130
> Oct 02 06:15:53 snowbell kernel:  early_init_intel.cold+0x34/0x10c
> Oct 02 06:15:53 snowbell kernel:  init_intel+0x27/0x360
> Oct 02 06:15:53 snowbell kernel:  identify_cpu+0x15e/0x5d0
> Oct 02 06:15:53 snowbell kernel:  identify_secondary_cpu+0x12/0x40
> Oct 02 06:15:53 snowbell kernel:  smp_store_cpu_info+0x49/0x60
> Oct 02 06:15:53 snowbell kernel:  start_secondary+0x7f/0x140
> Oct 02 06:15:53 snowbell kernel:  common_startup_64+0x13e/0x141
> Oct 02 06:15:53 snowbell kernel:  </TASK>
> Oct 02 06:15:53 snowbell kernel: ---[ end trace 0000000000000000 ]---

Thanks for providing the full dmesg as well in he additional message.
This is quite an old system. Can you please provide us as well the
full dmesg while booting the most recent kernel in unstable available?
6.16.11-1 (as of this writing).

I would be interested to see if it warns about unmet CPU feature
dependencies.

Regards,
Salvatore

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#89559 — Processed: Re: Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450

From"Debian Bug Tracking System" <owner@bugs.debian.org>
Date2025-10-12 20:10 +0200
SubjectProcessed: Re: Bug#1117002: linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450
Message-ID<LF8G6-4GQZ-21@gated-at.bofh.it>
In reply to#89471
Processing control commands:

> tags -1 + moreinfo
Bug #1117002 [src:linux] linux-image-6.12.48+deb13-amd64: warning in arch/x86/kernel/cpu/cpuid-deps.c:117 do_clear_cpu_cap on Intel Atom N450
Added tag(s) moreinfo.

-- 
1117002: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1117002
Debian Bug Tracking System
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