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Groups > linux.debian.kernel > #65073

Bug#934781: firmware-iwlwifi: iwl4965: Microcode SW error detected

Cross-posted to 2 groups.

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Package: firmware-iwlwifi
Version: 20190717-2
Followup-For: Bug #934781

I did some further digging - in my case, at least, the problem seems to
be triggered by some relatively recent kernel change. I combed through
the system journal for the last few months, and the problem first starts
appearing in the logs a few days after I began running kernel 5.2.x
(from 5.2.7 through 5.2.9). Previously, while running 4.19.x, the
problem never appears.

I haven't done a bisection, but it seems pretty clear at this point that
there's a microcode bug that has begun to be triggered by something in
newer kernels.

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8), LANGUAGE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

firmware-iwlwifi depends on no packages.

firmware-iwlwifi recommends no packages.

Versions of packages firmware-iwlwifi suggests:
ii  initramfs-tools  0.135

-- no debconf information

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Bug#934781: firmware-iwlwifi: iwl4965: Microcode SW error detected Celejar <celejar@gmail.com> - 2019-09-09 05:50 +0200
  Bug#934781: firmware-iwlwifi: iwl4965: Microcode SW error detected Celejar <celejar@gmail.com> - 2019-12-13 18:50 +0100
  Bug#934781: firmware-iwlwifi: iwl4965: Microcode SW error detected Tomas Janousek <tomi@nomi.cz> - 2019-12-15 23:30 +0100

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