* Re: [Bug 215867] New: tboot suspend broken
[not found] <bug-215867-6385@https.bugzilla.kernel.org/>
@ 2022-04-21 9:25 ` Borislav Petkov
2022-04-25 15:51 ` Unknown
0 siblings, 1 reply; 2+ messages in thread
From: Borislav Petkov @ 2022-04-21 9:25 UTC (permalink / raw)
To: bugzilla-daemon, kernel, Vincent Donnefort; +Cc: x86-ml, lkml
Switching to mail because I can't CC the patch author on bugzilla.
Vincent, see below. It points to your commit:
453e41085183 ("cpu/hotplug: Add cpuhp_invoke_callback_range()")
@Derek, just to make sure: you're seeing this with the latest 5.17
kernel too, correct?
Thx.
On Thu, Apr 21, 2022 at 02:07:42AM +0000, bugzilla-daemon@kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=215867
>
> Bug ID: 215867
> Summary: tboot suspend broken
> Product: Platform Specific/Hardware
> Version: 2.5
> Kernel Version: 5.12.0
> Hardware: All
> OS: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: x86-64
> Assignee: platform_x86_64@kernel-bugs.osdl.org
> Reporter: kernel@dolney.com
> Regression: Yes
>
> I am using tboot (v1.10.5) to make use of intel-txt and all was working fine
> with the Linux kernel 5.10 series. However later in 5.12 release candidates, I
> have proper booting however suspend is broken. I am using a Lenovo T460p.
> Usually when suspending on this machine the power button LED will blink 8 times
> and then it goes into a sleep state. With newer kernels I get power LED and
> caps lock LED blinking, cpu fan runs fast, and can't get out of that state
> without hard powerdown.
>
> I did a git bisect on and found that commit
> 453e41085183980087f8a80dada523caf1131c3c is the one that breaks tboot+suspend
> to ram. It is part of a series of some cpu hotplug commits.
>
> Just to be clear: if I build a kernel from the commit just before this one, I
> can suspend and resume, but if I build with this commit I can not suspend,
> laptop gets stuck on blinking power LED. Let me also mention that, given the
> above commit, if I do not use tboot, I can suspend and resume ok. It is only
> within the tboot boot context that I have suspend&resume problems.
>
> --
> You may reply to this email to add a comment.
>
> You are receiving this mail because:
> You are watching the assignee of the bug.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Bug 215867] New: tboot suspend broken
2022-04-21 9:25 ` [Bug 215867] New: tboot suspend broken Borislav Petkov
@ 2022-04-25 15:51 ` Unknown
0 siblings, 0 replies; 2+ messages in thread
From: Unknown @ 2022-04-25 15:51 UTC (permalink / raw)
To: Borislav Petkov, bugzilla-daemon, kernel, Vincent Donnefort; +Cc: x86-ml, lkml
Yes, still a problem with 5.17.4
On Thu, 2022-04-21 at 11:25 +0200, Borislav Petkov wrote:
> Switching to mail because I can't CC the patch author on bugzilla.
>
> Vincent, see below. It points to your commit:
>
> 453e41085183 ("cpu/hotplug: Add cpuhp_invoke_callback_range()")
>
> @Derek, just to make sure: you're seeing this with the latest 5.17
> kernel too, correct?
>
> Thx.
>
> On Thu, Apr 21, 2022 at 02:07:42AM +0000,
> bugzilla-daemon@kernel.org wrote:
> > https://bugzilla.kernel.org/show_bug.cgi?id=215867
> >
> > Bug ID: 215867
> > Summary: tboot suspend broken
> > Product: Platform Specific/Hardware
> > Version: 2.5
> > Kernel Version: 5.12.0
> > Hardware: All
> > OS: Linux
> > Tree: Mainline
> > Status: NEW
> > Severity: normal
> > Priority: P1
> > Component: x86-64
> > Assignee: platform_x86_64@kernel-bugs.osdl.org
> > Reporter: kernel@dolney.com
> > Regression: Yes
> >
> > I am using tboot (v1.10.5) to make use of intel-txt and all was
> > working fine
> > with the Linux kernel 5.10 series. However later in 5.12 release
> > candidates, I
> > have proper booting however suspend is broken. I am using a Lenovo
> > T460p.
> > Usually when suspending on this machine the power button LED will
> > blink 8 times
> > and then it goes into a sleep state. With newer kernels I get power
> > LED and
> > caps lock LED blinking, cpu fan runs fast, and can't get out of
> > that state
> > without hard powerdown.
> >
> > I did a git bisect on and found that commit
> > 453e41085183980087f8a80dada523caf1131c3c is the one that breaks
> > tboot+suspend
> > to ram. It is part of a series of some cpu hotplug commits.
> >
> > Just to be clear: if I build a kernel from the commit just before
> > this one, I
> > can suspend and resume, but if I build with this commit I can not
> > suspend,
> > laptop gets stuck on blinking power LED. Let me also mention that,
> > given the
> > above commit, if I do not use tboot, I can suspend and resume ok.
> > It is only
> > within the tboot boot context that I have suspend&resume problems.
> >
> > --
> > You may reply to this email to add a comment.
> >
> > You are receiving this mail because:
> > You are watching the assignee of the bug.
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-04-25 16:15 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
[not found] <bug-215867-6385@https.bugzilla.kernel.org/>
2022-04-21 9:25 ` [Bug 215867] New: tboot suspend broken Borislav Petkov
2022-04-25 15:51 ` Unknown
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.