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Bug#1050622: linux-source-6.4: regression found upstream making AVX instructions unusable

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  Bug#1050622: linux-source-6.4: regression found upstream making AVX instructions unusable Alex Volkov <alex@bootes.sytes.net> - 2023-08-27 12:10 +0200
    Bug#1050622: marked as done (linux-source-6.4: regression found  upstream making AVX instructions unusable) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2023-09-01 08:10 +0200

#80198 — Bug#1050622: linux-source-6.4: regression found upstream making AVX instructions unusable

Package: linux-source-6.4
Version: 6.4.4-3~bpo12+1
Severity: normal

Dear Maintainer,

a certain patch leads to a significant regression making AVX instructions
unusable in the CPUs having them:
https://lore.kernel.org/lkml/202307192135.203ac24e-oliver.sang@intel.com/

a fix is available upstream:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/arch/x86/kernel/fpu/xstate.c?id=2c66ca3949dc701da7f4c9407f2140ae425683a5

Of course, this fix will be included in the upstream kernel eventually, but
knowing Debian's long release cycle, I think including it as a distribution
patch would make sense.


-- System Information:
Debian Release: 12.1
  APT prefers stable-updates
  APT policy: (991, 'stable-updates'), (991, 'stable-security'), (991, 'stable'), (99, 'testing'), (90, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.4.4-bootes2-p-1000 (SMP w/16 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_DK.UTF-8, LC_CTYPE=en_DK.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en_US
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled

Versions of packages linux-source-6.4 depends on:
ii  binutils  2.40-2
ii  xz-utils  5.4.1-0.2

Versions of packages linux-source-6.4 recommends:
ii  bc                1.07.1-3+b1
ii  bison             2:3.8.2+dfsg-1+b1
ii  build-essential   12.9
ii  cpio              2.13+dfsg-7.1
ii  flex              2.6.4-8.2
ii  kmod              30+20221128-1
ii  libelf-dev        0.188-2.1
ii  libssl-dev        3.0.9-1
ii  linux-config-6.4  6.4.4-3~bpo12+1
ii  rsync             3.2.7-1

Versions of packages linux-source-6.4 suggests:
ii  libncurses-dev [ncurses-dev]  6.4-4
ii  pkgconf [pkg-config]          1.8.1-1
ii  qtbase5-dev                   5.15.8+dfsg-11

-- no debconf information

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#80251 — Bug#1050622: marked as done (linux-source-6.4: regression found upstream making AVX instructions unusable)

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Your message dated Fri, 01 Sep 2023 06:00:10 +0000
with message-id <E1qbxCU-006dwS-0A@fasolo.debian.org>
and subject line Bug#1050622: fixed in linux 6.4.13-1
has caused the Debian Bug report #1050622,
regarding linux-source-6.4: regression found upstream making AVX instructions unusable
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
1050622: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1050622
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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