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Bug#981807: linux-image-5.10.0-3-amd64: frequently random lockup after boot

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  Bug#981807: linux-image-5.10.0-3-amd64: frequently random lockup after boot Kan-Ru Chen (陳侃如) <koster@debian.org> - 2021-02-06 13:20 +0100

#69449 — Bug#981807: linux-image-5.10.0-3-amd64: frequently random lockup after boot

Package: linux-image-5.10.13+
Version: 5.10.13+-1
Followup-For: Bug #981807

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Dear Maintainer,

I bisected and it appears this commit caused the symptom.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0268eed10f12f785a618880920d90ee306fb2a50

I guess before the RTS522A PCI Express Card Reader was preventing the system
go into deeper c-state and this change fixed that, but revealed other
problems. Reverting the commit fixes the problem by keeping c-state at C6.

I'm not sure how to continue investigate this. I'll probably open a upstream
bug report.

Thanks,
Kanru

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

Kernel: Linux 5.10.13+ (SMP w/8 CPU threads)
Kernel taint flags: TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.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

- -- no debconf information

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