* [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
@ 2021-03-12 17:38 bugzilla-daemon
2021-03-12 18:02 ` [Bug 212255] " bugzilla-daemon
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-12 17:38 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
Bug ID: 212255
Summary: WARNING: at arch/x86/kernel/fpu/core.c:129
kernel_fpu_begin_mask
Product: Drivers
Version: 2.5
Kernel Version: 5.11.3
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: info@felicetufo.com
Regression: No
Created attachment 295819
--> https://bugzilla.kernel.org/attachment.cgi?id=295819&action=edit
dmesg
Hello,
i get two warnings booting kernel 5.11.3. The warning is present on later
5.11.x kernels (included 5.11.6) too, but does not show on 5.11.2.
------------[ cut here ]------------
[ 6.099356] WARNING: CPU: 6 PID: 366 at arch/x86/kernel/fpu/core.c:129
kernel_fpu_begin_mask+0xa3/0xb0
---[ end trace 4cbc711ff0b0578b ]---
[ 6.102354] ------------[ cut here ]------------
[ 6.102354] WARNING: CPU: 6 PID: 366 at arch/x86/kernel/fpu/core.c:155
kernel_fpu_end+0x1e/0x30
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* [Bug 212255] WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
2021-03-12 17:38 [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask bugzilla-daemon
@ 2021-03-12 18:02 ` bugzilla-daemon
2021-03-12 19:18 ` bugzilla-daemon
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-12 18:02 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
Alex Deucher (alexdeucher@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #1 from Alex Deucher (alexdeucher@gmail.com) ---
Possibly fixed with these patches?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15e8b95d5f7509e0b09289be8c422c459c9f0412
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=680174cfd1e1cea70a8f30ccb44d8fbdf996018e
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* [Bug 212255] WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
2021-03-12 17:38 [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask bugzilla-daemon
2021-03-12 18:02 ` [Bug 212255] " bugzilla-daemon
@ 2021-03-12 19:18 ` bugzilla-daemon
2021-03-12 19:28 ` bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-12 19:18 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
--- Comment #2 from Felice Tufo (info@felicetufo.com) ---
Thanks Alex,
it seems that Linus merged those patches (just today) for the next -rc release,
am I right?
If so, I'll do a quick test and let you know as soon as Ubuntu team will
release the next mainline kernel (usually just 1 or 2 days after -rc is out).
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* [Bug 212255] WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
2021-03-12 17:38 [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask bugzilla-daemon
2021-03-12 18:02 ` [Bug 212255] " bugzilla-daemon
2021-03-12 19:18 ` bugzilla-daemon
@ 2021-03-12 19:28 ` bugzilla-daemon
2021-03-15 9:24 ` bugzilla-daemon
2021-03-18 8:21 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-12 19:28 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
--- Comment #3 from Alex Deucher (alexdeucher@gmail.com) ---
(In reply to Felice Tufo from comment #2)
> Thanks Alex,
> it seems that Linus merged those patches (just today) for the next -rc
> release, am I right?
correct.
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* [Bug 212255] WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
2021-03-12 17:38 [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask bugzilla-daemon
` (2 preceding siblings ...)
2021-03-12 19:28 ` bugzilla-daemon
@ 2021-03-15 9:24 ` bugzilla-daemon
2021-03-18 8:21 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-15 9:24 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
--- Comment #4 from Felice Tufo (info@felicetufo.com) ---
I confirm that the fix solves the bug on kernel 5.12.0-rc3 (at least on my test
system).
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* [Bug 212255] WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask
2021-03-12 17:38 [Bug 212255] New: WARNING: at arch/x86/kernel/fpu/core.c:129 kernel_fpu_begin_mask bugzilla-daemon
` (3 preceding siblings ...)
2021-03-15 9:24 ` bugzilla-daemon
@ 2021-03-18 8:21 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2021-03-18 8:21 UTC (permalink / raw
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=212255
--- Comment #5 from Felice Tufo (info@felicetufo.com) ---
Tested also on 5.11.7
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