Re: freeze during boot regression Re: [PATCH 6.12 000/265] 6.12.77-rc1 review

Barry K. Nathan
2026-03-13T05:55:39Z

On 3/12/26 22:32, Barry K. Nathan wrote:
> On 3/12/26 13:06, Greg Kroah-Hartman wrote:
>> This is the start of the stable review cycle for the 6.12.77 release.
>> There are 265 patches in this series, all will be posted as a response
>> to this one.  If anyone has any issues with these being applied, please
>> let me know.
>>
>> Responses should be made by Fri, 13 Mar 2026 20:09:29 +0000.
>> Anything received after that time might be too late.
>>
>> The whole patch series can be found in one patch at:
>>     https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.12.77-rc1.gz
>> or in the git tree and branch at:
>>     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
>
> Intermittently, but significantly greater than 50% of the time,
> 6.12.77-rc1 fails to boot on my Lenovo ThinkPad T14 Gen 1 running Debian
> 12 bookworm. When boot fails, the last couple lines of console output
> (retyped from a photo) are:
>
> Loading, please wait...
> Starting systemd-udevd version 252.39-1~deb12u1
>
> I will begin bisection shortly. I happen to have also previously
> compiled 6.12.76 + stable-queue as of
> commit 4b2b2b5cf3cd78f4de4646687a4efecbd21643af, and that shows the same
> boot failures. That means the following patches are *not* to blame for
> the problem:
[snip]

I also happen to have previously compiled 6.12.76 + stable-queue as of
commit 8d45879cc803965facf8d8257f13d130508b5986, and that also shows
the same boot failures, so that narrows the cause down to the
following 40 patches:

drm-vmwgfx-fix-invalid-kref_put-callback-in-vmw_bo_d.patch
drm-vmwgfx-return-the-correct-value-in-vmw_translate.patch
drm-logicvc-fix-device-node-reference-leak-in-logicv.patch
kvm-arm64-advertise-support-for-feat_sctlr2.patch
kvm-arm64-hide-s1poe-from-guests-when-not-supported-.patch
irqchip-sifive-plic-fix-frozen-interrupt-due-to-affi.patch
scsi-lpfc-properly-set-wc-for-dpp-mapping.patch
scsi-pm8001-fix-use-after-free-in-pm8001_queue_comma.patch
alsa-scarlett2-fix-redeclaration-of-loop-variable.patch
alsa-scarlett2-fix-dsp-filter-control-array-handling.patch
alsa-usb-audio-remove-validate_rates-quirk-for-focus.patch
x86-fred-correct-speculative-safety-in-fred_extint.patch
sched-fair-fix-eevdf-entity-placement-bug-causing-sc.patch
sched-fair-fix-lag-clamp.patch
rseq-clarify-rseq-registration-rseq_size-bound-check.patch
cgroup-cpuset-fix-incorrect-use-of-cpuset_update_tas.patch
scsi-ufs-core-move-link-recovery-for-hibern8-exit-fa.patch
alsa-usb-audio-cap-the-packet-size-pre-calculations.patch
alsa-usb-audio-use-inclusive-terms.patch
perf-fix-__perf_event_overflow-vs-perf_remove_from_c.patch
s390-idle-fix-cpu-idle-exit-cpu-time-accounting.patch
s390-vtime-fix-virtual-timer-forwarding.patch
pci-endpoint-introduce-pci_epc_function_is_valid.patch
pci-endpoint-introduce-pci_epc_mem_map-unmap.patch
pci-dwc-endpoint-implement-the-pci_epc_ops-align_add.patch
pci-dwc-ep-use-align-addr-function-for-dw_pcie_ep_ra.patch
pci-dwc-ep-flush-msi-x-write-before-unmapping-its-at.patch
drm-amdgpu-unlock-a-mutex-before-destroying-it.patch
drm-amdgpu-replace-kzalloc-copy_from_user-with-memdu.patch
drm-amdgpu-fix-locking-bugs-in-error-paths.patch
alsa-pci-hda-use-snd_kcontrol_chip.patch
alsa-hda-cs35l56-fix-signedness-error-in-cs35l56_hda.patch
btrfs-fix-incorrect-key-offset-in-error-message-in-c.patch
btrfs-fix-objectid-value-in-error-message-in-check_e.patch
btrfs-fix-warning-in-scrub_verify_one_metadata.patch
btrfs-print-correct-subvol-num-if-active-swapfile-pr.patch
btrfs-fix-compat-mask-in-error-messages-in-btrfs_che.patch
bpf-arm64-force-8-byte-alignment-for-jit-buffer-to-p.patch
bpf-fix-stack-out-of-bounds-write-in-devmap.patch
pci-correct-pci_cap_exp_endpoint_sizeof_v2-value.patch

I expect my next followup to be once I finish bisection.

--
-Barry K. Nathan <barryn@pobox.com>