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Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive

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  Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive John Rowley <dpkg@johnrowley.me> - 2026-08-11 12:40 +0200
    Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive Salvatore Bonaccorso <carnil@debian.org> - 2026-08-11 13:00 +0200
    Processed: Re: Bug#1144113: linux-image-6.12.94+deb13-arm64:  Kernel fails to read external SSD drive "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-08-11 13:00 +0200
    Processed: Re: Bug#1144113: linux-image-6.12.94+deb13-arm64:  Kernel fails to read external SSD drive "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-08-11 16:40 +0200

#93665 — Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive

Package: src:linux
Version: 6.12.94-1
Severity: important
X-Debbugs-Cc: debian-arm@lists.debian.org, dpkg@johnrowley.me
User: debian-arm@lists.debian.org
Usertags: arm64

Hi,

After rebooting into 6.12.94+deb13-arm64, I noticed my external USB SSD drive
wasn't present anymore, I checked journalctl to see:

  Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
  Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Write Protect is off
  Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Mode Sense: 24 00 00 00
  Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
  Apr 13 19:38:08 pi.home kernel:  sda: sda1 sda2
  Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Attached SCSI disk
  Apr 13 19:38:16 pi.home kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
  Apr 13 19:38:16 pi.home kernel: sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK

Some quick searching revealed this could be due to a failing drive, but after
booting back into my previous kernel (6.12.86+deb13-arm64), the drive came
back and appears to be working fine again.

I've checked the drive's health using smartmontools and everything seems okay,
the drive doesn't seem to be failing at all. It doesn't support SMART
self-tests, so I couldn't run any of those.

I assume this could be an upstream bug but I can't find anything that matches
my circumstances exactly.

Drive is a Crucial X9 Pro 1TB Portable SSD (model: CT2000X9PROSSD9).

Thanks.


-- Package-specific info:
** Kernel log: boot messages should be attached

** Model information
Device Tree model: Raspberry Pi 4 Model B Rev 1.5

** 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
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
options dma dmachans=0x37f5
options bcm2709 boardrev=0xc03115
options bcm2709 serial=0x157aeeb
options bcm2709 uart_clock=48000000
options bcm2709 disk_led_gpio=42
options bcm2709 disk_led_active_low=0
options smsc95xx macaddr=D8:3A:DD:77:5F:7F
options vc_mem mem_base=0x3ec00000
options vc_mem mem_size=0x40000000
options fsck repair=yes
options net ifnames=0

** PCI devices:
00:00.0 PCI bridge [0604]: Broadcom Inc. and subsidiaries BCM2711 PCIe Bridge [14e4:2711] (rev 20) (prog-if 00 [Normal decode])
	Device tree node: /sys/firmware/devicetree/base/scb/pcie@7d500000/pci@0,0
	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 19
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: 00000000-000fffff [size=1M] [32-bit]
	Prefetchable memory behind bridge: [disabled] [64-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

01:00.0 USB controller [0c03]: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller [1106:3483] (rev 01) (prog-if 30 [XHCI])
	Subsystem: VIA Technologies, Inc. VL805/806 xHCI USB 3.0 Controller [1106:3483]
	Device tree node: /sys/firmware/devicetree/base/scb/pcie@7d500000/pci@0,0/usb@0,0
	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 38
	Region 0: Memory at 600000000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci


** USB devices:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 0634:5603 Micron Technology, Inc. CT2000X9PROSSD9


-- System Information:
Debian Release: 13.6
  APT prefers stable
  APT policy: (990, 'stable'), (500, 'stable-updates'), (500, 'stable-security')
Architecture: arm64 (aarch64)

Kernel: Linux 6.12.86+deb13-arm64 (SMP w/4 CPU threads)
Kernel taint flags: TAINT_CRAP
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-6.12.94+deb13-arm64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.148.4
ii  kmod                                    34.2-2
ii  linux-base                              4.12.1

Versions of packages linux-image-6.12.94+deb13-arm64 recommends:
ii  apparmor  4.1.0-1

Versions of packages linux-image-6.12.94+deb13-arm64 suggests:
pn  debian-kernel-handbook  <none>
ii  firmware-linux-free     20241210-2
pn  linux-doc-6.12          <none>

Versions of packages linux-image-6.12.94+deb13-arm64 is related to:
pn  firmware-amd-graphics      <none>
pn  firmware-atheros           <none>
pn  firmware-bnx2              <none>
pn  firmware-bnx2x             <none>
ii  firmware-brcm80211         20250410-2
pn  firmware-cavium            <none>
pn  firmware-cirrus            <none>
pn  firmware-intel-graphics    <none>
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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#93666

Control: tags -1 + moreinfo

Hi John,

On Tue, Aug 11, 2026 at 11:23:43AM +0100, John Rowley wrote:
> Package: src:linux
> Version: 6.12.94-1
> Severity: important
> X-Debbugs-Cc: debian-arm@lists.debian.org, dpkg@johnrowley.me
> User: debian-arm@lists.debian.org
> Usertags: arm64
> 
> Hi,
> 
> After rebooting into 6.12.94+deb13-arm64, I noticed my external USB SSD drive
> wasn't present anymore, I checked journalctl to see:
> 
>   Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.82 TiB)
>   Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Write Protect is off
>   Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Mode Sense: 24 00 00 00
>   Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
>   Apr 13 19:38:08 pi.home kernel:  sda: sda1 sda2
>   Apr 13 19:38:08 pi.home kernel: sd 0:0:0:0: [sda] Attached SCSI disk
>   Apr 13 19:38:16 pi.home kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
>   Apr 13 19:38:16 pi.home kernel: sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
> 
> Some quick searching revealed this could be due to a failing drive, but after
> booting back into my previous kernel (6.12.86+deb13-arm64), the drive came
> back and appears to be working fine again.
> 
> I've checked the drive's health using smartmontools and everything seems okay,
> the drive doesn't seem to be failing at all. It doesn't support SMART
> self-tests, so I couldn't run any of those.
> 
> I assume this could be an upstream bug but I can't find anything that matches
> my circumstances exactly.
> 
> Drive is a Crucial X9 Pro 1TB Portable SSD (model: CT2000X9PROSSD9).

6.12.94-1 is not the most current kernel for Debian trixie, can you
pleae update to 6.12.101-1 and report back if you still encounter the
problems?

Can you please in such case provide the full context of Kernel log?

Regards,
Salvatore

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#93668 — Processed: Re: Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive

Processing control commands:

> tags -1 + moreinfo
Bug #1144113 [src:linux] linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive
Added tag(s) moreinfo.

-- 
1144113: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1144113
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#93670 — Processed: Re: Bug#1144113: linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive

Processing control commands:

> tags -1 - moreinfo
Bug #1144113 [src:linux] linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive
Removed tag(s) moreinfo.
> found -1 6.12.101-1
Bug #1144113 [src:linux] linux-image-6.12.94+deb13-arm64: Kernel fails to read external SSD drive
Marked as found in versions linux/6.12.101-1.

-- 
1144113: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1144113
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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