Bug#933547: iwlwifi: problem with 802.11n

From	alukardd@alukardd.org
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#933547: iwlwifi: problem with 802.11n
Date	2019-07-31 15:10 +0200
Message-ID	<ypWwF-1Hs-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: src:linux
Version: 4.19.37-6
Severity: normal

Dear Maintainer,


After few month of absent in current location my laptop can't connect to 
WiFi that was previously used. There is no
problem with my mobile phone. I update debian on my laptop on regular 
basis.
There is no issue with other devices and this WiFi network.

After some googling and reading syslog I disable 802.11n:
# cat /etc/modprobe.d/iwlwifi.conf
options iwlwifi 11n_disable=1

And after reloading driver I successfully connected to problem WiFi 
network.

I didn't try to boot into previous kernel, because I am not sure that 
problem not in package firmware-iwlwifi.

Regards,
Alexey.


-- Package-specific info:
** Version:
Linux version 4.19.0-5-amd64 (debian-kernel@lists.debian.org) (gcc 
version 8.3.0 (Debian 8.3.0-19)) #1 SMP Debian 4.19.37-6 (2019-07-18)

** Command line:
BOOT_IMAGE=/boot/vmlinuz-4.19.0-5-amd64 
root=/dev/mapper/vg_common-lv_root ro iommu=pt quiet

** Not tainted

** Kernel log:
[   15.728504] wlp4s0: authenticate with 18:e8:29:61:44:0a
[   15.732438] wlp4s0: send auth to 18:e8:29:61:44:0a (try 1/3)
[   15.738507] wlp4s0: authenticated
[   15.739205] wlp4s0: associate with 18:e8:29:61:44:0a (try 1/3)
[   15.743609] wlp4s0: RX AssocResp from 18:e8:29:61:44:0a (capab=0x431 
status=0 aid=0)
[   15.743611] wlp4s0: invalid AID value 0 (out of range), turn off PS
[   15.743613] wlp4s0: AP bug: WMM param missing from AssocResp
[   15.743614] wlp4s0: AP bug: HT capability missing from AssocResp
[   15.743614] wlp4s0: AP bug: HT operation missing from AssocResp
[   15.754203] wlp4s0: associated
[   15.755896] wlp4s0: disassociated from 18:e8:29:61:44:0a (Reason: 
7=CLASS3_FRAME_FROM_NONASSOC_STA)

** Model information
sys_vendor: LENOVO
product_name: 20BS006MRT
product_version: ThinkPad X1 Carbon 3rd
chassis_vendor: LENOVO
chassis_version: None
bios_vendor: LENOVO
bios_version: N14ET32W (1.10 )
board_vendor: LENOVO
board_name: 20BS006MRT
board_version: SDK0K11822 WIN

** Loaded modules:
ctr
ccm
iwlmvm
mac80211
iwlwifi
cfg80211
nf_conntrack_netlink
br_netfilter
overlay
xfrm_user
xfrm4_tunnel
tunnel4
ipcomp
xfrm_ipcomp
l2tp_ppp
esp4
l2tp_netlink
l2tp_core
ip6_udp_tunnel
udp_tunnel
ah4
pppox
af_key
ppp_generic
xfrm_algo
slhc
rfcomm
nft_chain_route_ipv4
xt_CHECKSUM
ipt_REJECT
nf_reject_ipv4
tun
bridge
stp
llc
devlink
cmac
bnep
xt_hl
ip6_tables
xt_tcpudp
xt_conntrack
nft_counter
nft_chain_nat_ipv4
ipt_MASQUERADE
nf_nat_ipv4
nf_nat
nf_conntrack
nf_defrag_ipv6
nf_defrag_ipv4
libcrc32c
xt_addrtype
joydev
nft_compat
nf_tables
nfnetlink
intel_rapl
x86_pkg_temp_thermal
arc4
intel_powerclamp
mei_wdt
coretemp
kvm_intel
kvm
irqbypass
btusb
intel_cstate
btrtl
btbcm
btintel
intel_uncore
intel_rapl_perf
cdc_mbim
cdc_wdm
uvcvideo
bluetooth
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
videobuf2_common
videodev
cdc_ncm
media
usbnet
cdc_acm
pcspkr
mii
serio_raw
rmi_smbus
drbg
rmi_core
wmi_bmof
ansi_cprng
snd_hda_codec_realtek
sg
intel_pch_thermal
snd_hda_codec_generic
ecdh_generic
snd_hda_codec_hdmi
snd_hda_intel
snd_hda_codec
mei_me
snd_hda_core
mei
snd_hwdep
iTCO_wdt
thinkpad_acpi
iTCO_vendor_support
snd_pcm
snd_timer
nvram
snd
soundcore
tpm_tis
tpm_tis_core
tpm
rfkill
battery
rng_core
ac
evdev
pcc_cpufreq
parport_pc
ppdev
lp
parport
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
fscrypto
ecb
algif_skcipher
af_alg
dm_crypt
dm_mod
sd_mod
i915
crct10dif_pclmul
crc32_pclmul
crc32c_intel
ghash_clmulni_intel
pcbc
ahci
libahci
libata
aesni_intel
i2c_algo_bit
aes_x86_64
crypto_simd
drm_kms_helper
cryptd
xhci_pci
glue_helper
xhci_hcd
psmouse
scsi_mod
e1000e
drm
i2c_i801
usbcore
lpc_ich
thermal
wmi
usb_common
button
video


** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Broadwell-U Host Bridge 
-OPI [8086:1604] (rev 09)
	Subsystem: Lenovo Broadwell-U Host Bridge -OPI [17aa:2227]
	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>
	Kernel driver in use: bdw_uncore

04:00.0 Network controller [0280]: Intel Corporation Wireless 7265 
[8086:095b] (rev 61)
	Subsystem: Intel Corporation Wireless-N 7265 [8086:5202]
	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: 64 bytes
	Interrupt: pin A routed to IRQ 50
	Region 0: Memory at f1000000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi


-- System Information:
Debian Release: bullseye/sid
   APT prefers unstable
   APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) (ignored: 
LC_ALL set to en_US.UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) (ignored: 
LC_ALL set to en_US.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-4.19.0-5-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.134
ii  kmod                                    26-1
ii  linux-base                              4.6

Versions of packages linux-image-4.19.0-5-amd64 recommends:
ii  apparmor             2.13.3-4
ii  firmware-linux-free  3.4

Versions of packages linux-image-4.19.0-5-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.04-1
pn  linux-doc-4.19          <none>

Versions of packages linux-image-4.19.0-5-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-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
ii  firmware-iwlwifi          20190717-1
pn  firmware-libertas         <none>
pn  firmware-linux-nonfree    <none>
pn  firmware-misc-nonfree     <none>
pn  firmware-myricom          <none>
pn  firmware-netxen           <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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Bug#933547: iwlwifi: problem with 802.11n alukardd@alukardd.org - 2019-07-31 15:10 +0200

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