* 4.9-rc1 boot regression, ambiguous bisect result
@ 2016-10-20 4:04 Dan Williams
2016-10-20 6:24 ` Ingo Molnar
2016-10-20 12:29 ` Matt Fleming
0 siblings, 2 replies; 15+ messages in thread
From: Dan Williams @ 2016-10-20 4:04 UTC (permalink / raw)
To: Matt Fleming; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
Hi,
I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
The symptom is a reboot before the video console is available.
I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
services forever". However, that commit is known to be broken. The
proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
During the bisect some of the stopping points landed on commits that
caused the boot process to hang rather than cause a reboot. The
commits that resulted in a hang are marked "git bisect skip" in this
log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
I'll try treating those hangs as bad bisect results and re-run the
full bisect tomorrow. In the meantime I wonder if the bisect log
implicates a better regression candidate?
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 4:04 4.9-rc1 boot regression, ambiguous bisect result Dan Williams
@ 2016-10-20 6:24 ` Ingo Molnar
2016-10-20 12:29 ` Matt Fleming
1 sibling, 0 replies; 15+ messages in thread
From: Ingo Molnar @ 2016-10-20 6:24 UTC (permalink / raw)
To: Dan Williams; +Cc: Matt Fleming, LKML, linux-efi, Peter Jones, Ard Biesheuvel
* Dan Williams <dan.j.williams@intel.com> wrote:
> Hi,
>
> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
>
> The symptom is a reboot before the video console is available.
>
> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
> services forever". However, that commit is known to be broken. The
> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
>
> During the bisect some of the stopping points landed on commits that
> caused the boot process to hang rather than cause a reboot. The
> commits that resulted in a hang are marked "git bisect skip" in this
> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
>
> I'll try treating those hangs as bad bisect results and re-run the
> full bisect tomorrow. In the meantime I wonder if the bisect log
> implicates a better regression candidate?
You could also try reverts of the suspicious commits, and then, if the reverted
kernel works fine, create a more linear history by cherry-picking them in the
right order - and then be able to pinpoint the bad commit with a higher
confidence.
Thanks,
Ingo
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 4:04 4.9-rc1 boot regression, ambiguous bisect result Dan Williams
2016-10-20 6:24 ` Ingo Molnar
@ 2016-10-20 12:29 ` Matt Fleming
2016-10-20 15:22 ` Dan Williams
1 sibling, 1 reply; 15+ messages in thread
From: Matt Fleming @ 2016-10-20 12:29 UTC (permalink / raw)
To: Dan Williams; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Wed, 19 Oct, at 09:04:29PM, Dan Williams wrote:
> Hi,
>
> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
>
> The symptom is a reboot before the video console is available.
>
> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
> services forever". However, that commit is known to be broken. The
> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
>
> During the bisect some of the stopping points landed on commits that
> caused the boot process to hang rather than cause a reboot. The
> commits that resulted in a hang are marked "git bisect skip" in this
> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
>
> I'll try treating those hangs as bad bisect results and re-run the
> full bisect tomorrow. In the meantime I wonder if the bisect log
> implicates a better regression candidate?
Could you mail the dmesg output when booting a known working kernel
with efi=debug ?
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 12:29 ` Matt Fleming
@ 2016-10-20 15:22 ` Dan Williams
2016-10-20 19:37 ` Dan Williams
0 siblings, 1 reply; 15+ messages in thread
From: Dan Williams @ 2016-10-20 15:22 UTC (permalink / raw)
To: Matt Fleming; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Thu, Oct 20, 2016 at 5:29 AM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
> On Wed, 19 Oct, at 09:04:29PM, Dan Williams wrote:
>> Hi,
>>
>> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
>>
>> The symptom is a reboot before the video console is available.
>>
>> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
>> services forever". However, that commit is known to be broken. The
>> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
>> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
>>
>> During the bisect some of the stopping points landed on commits that
>> caused the boot process to hang rather than cause a reboot. The
>> commits that resulted in a hang are marked "git bisect skip" in this
>> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
>>
>> I'll try treating those hangs as bad bisect results and re-run the
>> full bisect tomorrow. In the meantime I wonder if the bisect log
>> implicates a better regression candidate?
>
> Could you mail the dmesg output when booting a known working kernel
> with efi=debug ?
Here it is:
https://gist.github.com/djbw/cae05e721b159d5ad7b146d7a93f5fa2
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 15:22 ` Dan Williams
@ 2016-10-20 19:37 ` Dan Williams
2016-10-21 7:00 ` Ingo Molnar
2016-10-21 15:41 ` Matt Fleming
0 siblings, 2 replies; 15+ messages in thread
From: Dan Williams @ 2016-10-20 19:37 UTC (permalink / raw)
To: Matt Fleming; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Thu, Oct 20, 2016 at 8:22 AM, Dan Williams <dan.j.williams@intel.com> wrote:
> On Thu, Oct 20, 2016 at 5:29 AM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
>> On Wed, 19 Oct, at 09:04:29PM, Dan Williams wrote:
>>> Hi,
>>>
>>> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
>>>
>>> The symptom is a reboot before the video console is available.
>>>
>>> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
>>> services forever". However, that commit is known to be broken. The
>>> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
>>> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
>>>
>>> During the bisect some of the stopping points landed on commits that
>>> caused the boot process to hang rather than cause a reboot. The
>>> commits that resulted in a hang are marked "git bisect skip" in this
>>> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
>>>
>>> I'll try treating those hangs as bad bisect results and re-run the
>>> full bisect tomorrow. In the meantime I wonder if the bisect log
>>> implicates a better regression candidate?
>>
>> Could you mail the dmesg output when booting a known working kernel
>> with efi=debug ?
>
> Here it is:
>
> https://gist.github.com/djbw/cae05e721b159d5ad7b146d7a93f5fa2
I am able to build a kernel and boot the platform with the following
set of reverts:
Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE"
Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data"
Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()"
Revert "efi: Allow drivers to reserve boot services forever"
^ permalink raw reply [flat|nested] 15+ messages in thread* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 19:37 ` Dan Williams
@ 2016-10-21 7:00 ` Ingo Molnar
2016-10-21 18:20 ` Dan Williams
2016-10-21 15:41 ` Matt Fleming
1 sibling, 1 reply; 15+ messages in thread
From: Ingo Molnar @ 2016-10-21 7:00 UTC (permalink / raw)
To: Dan Williams; +Cc: Matt Fleming, LKML, linux-efi, Peter Jones, Ard Biesheuvel
* Dan Williams <dan.j.williams@intel.com> wrote:
> On Thu, Oct 20, 2016 at 8:22 AM, Dan Williams <dan.j.williams@intel.com> wrote:
> > On Thu, Oct 20, 2016 at 5:29 AM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
> >> On Wed, 19 Oct, at 09:04:29PM, Dan Williams wrote:
> >>> Hi,
> >>>
> >>> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
> >>>
> >>> The symptom is a reboot before the video console is available.
> >>>
> >>> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
> >>> services forever". However, that commit is known to be broken. The
> >>> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
> >>> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
> >>>
> >>> During the bisect some of the stopping points landed on commits that
> >>> caused the boot process to hang rather than cause a reboot. The
> >>> commits that resulted in a hang are marked "git bisect skip" in this
> >>> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
> >>>
> >>> I'll try treating those hangs as bad bisect results and re-run the
> >>> full bisect tomorrow. In the meantime I wonder if the bisect log
> >>> implicates a better regression candidate?
> >>
> >> Could you mail the dmesg output when booting a known working kernel
> >> with efi=debug ?
> >
> > Here it is:
> >
> > https://gist.github.com/djbw/cae05e721b159d5ad7b146d7a93f5fa2
>
> I am able to build a kernel and boot the platform with the following
> set of reverts:
>
> Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE"
> Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data"
> Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()"
> Revert "efi: Allow drivers to reserve boot services forever"
Could you please describe the bootup behavior after each revert? I.e. wild guess:
vanilla kernel:
# spontaneous reboot
+ Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE":
# spontaneous reboot
+ Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data":
# hang
+ Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()":
# hang
+ Revert "efi: Allow drivers to reserve boot services forever":
== works
?
Thanks,
Ingo
^ permalink raw reply [flat|nested] 15+ messages in thread* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-21 7:00 ` Ingo Molnar
@ 2016-10-21 18:20 ` Dan Williams
0 siblings, 0 replies; 15+ messages in thread
From: Dan Williams @ 2016-10-21 18:20 UTC (permalink / raw)
To: Ingo Molnar; +Cc: Matt Fleming, LKML, linux-efi, Peter Jones, Ard Biesheuvel
On Fri, Oct 21, 2016 at 12:00 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Dan Williams <dan.j.williams@intel.com> wrote:
>
>> On Thu, Oct 20, 2016 at 8:22 AM, Dan Williams <dan.j.williams@intel.com> wrote:
>> > On Thu, Oct 20, 2016 at 5:29 AM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
>> >> On Wed, 19 Oct, at 09:04:29PM, Dan Williams wrote:
>> >>> Hi,
>> >>>
>> >>> I am currently unable to boot a Yoga 900 with latest mainline, but 4.8 boots.
>> >>>
>> >>> The symptom is a reboot before the video console is available.
>> >>>
>> >>> I bisected to commit 816e76129ed5 "efi: Allow drivers to reserve boot
>> >>> services forever". However, that commit is known to be broken. The
>> >>> proposed fix, commit 92dc33501bfb "x86/efi: Round EFI memmap
>> >>> reservations to EFI_PAGE_SIZE", also exhibits the reboot problem.
>> >>>
>> >>> During the bisect some of the stopping points landed on commits that
>> >>> caused the boot process to hang rather than cause a reboot. The
>> >>> commits that resulted in a hang are marked "git bisect skip" in this
>> >>> log: https://gist.github.com/djbw/1b501daa98192a42ae848f03bb59c30e
>> >>>
>> >>> I'll try treating those hangs as bad bisect results and re-run the
>> >>> full bisect tomorrow. In the meantime I wonder if the bisect log
>> >>> implicates a better regression candidate?
>> >>
>> >> Could you mail the dmesg output when booting a known working kernel
>> >> with efi=debug ?
>> >
>> > Here it is:
>> >
>> > https://gist.github.com/djbw/cae05e721b159d5ad7b146d7a93f5fa2
>>
>> I am able to build a kernel and boot the platform with the following
>> set of reverts:
>>
>> Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE"
>> Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data"
>> Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()"
>> Revert "efi: Allow drivers to reserve boot services forever"
>
> Could you please describe the bootup behavior after each revert? I.e. wild guess:
>
> vanilla kernel:
> # spontaneous reboot
> + Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE":
> # spontaneous reboot
> + Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data":
> # hang
> + Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()":
> # hang
> + Revert "efi: Allow drivers to reserve boot services forever":
> == works
>
> ?
In this case all but the last revert produce the same result, instant
reboot after loading the kernel. I have not been able to pinpoint
what changes that behavior to the hang conditions I saw mid-bisect.
The first three reverts are just there to get the kernel to build
again after reverting "efi: Allow drivers to reserve boot services
forever"
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-20 19:37 ` Dan Williams
2016-10-21 7:00 ` Ingo Molnar
@ 2016-10-21 15:41 ` Matt Fleming
2016-10-21 20:20 ` Matt Fleming
1 sibling, 1 reply; 15+ messages in thread
From: Matt Fleming @ 2016-10-21 15:41 UTC (permalink / raw)
To: Dan Williams; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Thu, 20 Oct, at 12:37:16PM, Dan Williams wrote:
>
> I am able to build a kernel and boot the platform with the following
> set of reverts:
>
> Revert "x86/efi: Round EFI memmap reservations to EFI_PAGE_SIZE"
> Revert "x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data"
> Revert "efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()"
> Revert "efi: Allow drivers to reserve boot services forever"
FYI, I've been able to reproduce some crash when using your EFI memory
map layout under Qemu and forcing the ESRT driver to reserve the space.
It looks like the new EFI memmap we allocate as part of the
reservation is smaller than the old one - which is backwards.
Still debugging...
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-21 15:41 ` Matt Fleming
@ 2016-10-21 20:20 ` Matt Fleming
2016-10-21 23:20 ` Dan Williams
0 siblings, 1 reply; 15+ messages in thread
From: Matt Fleming @ 2016-10-21 20:20 UTC (permalink / raw)
To: Dan Williams; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Fri, 21 Oct, at 04:41:29PM, Matt Fleming wrote:
>
> FYI, I've been able to reproduce some crash when using your EFI memory
> map layout under Qemu and forcing the ESRT driver to reserve the space.
Nope, that was a bug in my hack. I can't get Qemu to crash while using
your memory map layout.
Any chance you can insert "while(1)" loops into the EFI boot paths for
a kernel that is known to reboot or trigger a triple fault in kernels
that hang, so that we can narrow in on the issue. See,
http://www.codeblueprint.co.uk/2015/04/early-x86-linux-boot-debug-tricks.html
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-21 20:20 ` Matt Fleming
@ 2016-10-21 23:20 ` Dan Williams
2016-10-30 12:08 ` Thorsten Leemhuis
0 siblings, 1 reply; 15+ messages in thread
From: Dan Williams @ 2016-10-21 23:20 UTC (permalink / raw)
To: Matt Fleming; +Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
On Fri, Oct 21, 2016 at 1:20 PM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
> On Fri, 21 Oct, at 04:41:29PM, Matt Fleming wrote:
>>
>> FYI, I've been able to reproduce some crash when using your EFI memory
>> map layout under Qemu and forcing the ESRT driver to reserve the space.
>
> Nope, that was a bug in my hack. I can't get Qemu to crash while using
> your memory map layout.
>
> Any chance you can insert "while(1)" loops into the EFI boot paths for
> a kernel that is known to reboot or trigger a triple fault in kernels
> that hang, so that we can narrow in on the issue. See,
>
> http://www.codeblueprint.co.uk/2015/04/early-x86-linux-boot-debug-tricks.html
I can take a look, but it will not be until Monday when I have
physical access to the system again.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-21 23:20 ` Dan Williams
@ 2016-10-30 12:08 ` Thorsten Leemhuis
2016-10-30 15:59 ` Dan Williams
0 siblings, 1 reply; 15+ messages in thread
From: Thorsten Leemhuis @ 2016-10-30 12:08 UTC (permalink / raw)
To: Dan Williams, Matt Fleming
Cc: LKML, linux-efi, Peter Jones, Ard Biesheuvel, Ingo Molnar
JFYI: I added this report to the list of regressions for Linux 4.9. I'll
watch this thread for further updates on this issue to document progress
in my weekly reports. Please let me know via regressions@leemhuis.info
in case the discussion moves to a different place (bugzilla or another
mail thread for example). tia!
Current status (afaics) in my report: This looks stuck. Or was is
discussed (or even fixed) somewhere else?
Ciao, Thorsten
On 22.10.2016 01:20, Dan Williams wrote:
> On Fri, Oct 21, 2016 at 1:20 PM, Matt Fleming <matt@codeblueprint.co.uk> wrote:
>> On Fri, 21 Oct, at 04:41:29PM, Matt Fleming wrote:
>>>
>>> FYI, I've been able to reproduce some crash when using your EFI memory
>>> map layout under Qemu and forcing the ESRT driver to reserve the space.
>>
>> Nope, that was a bug in my hack. I can't get Qemu to crash while using
>> your memory map layout.
>>
>> Any chance you can insert "while(1)" loops into the EFI boot paths for
>> a kernel that is known to reboot or trigger a triple fault in kernels
>> that hang, so that we can narrow in on the issue. See,
>>
>> http://www.codeblueprint.co.uk/2015/04/early-x86-linux-boot-debug-tricks.html
>
> I can take a look, but it will not be until Monday when I have
> physical access to the system again.
>
> http://news.gmane.org/find-root.php?message_id=CAPcyv4jkVcBwecxwt1P+p-fMSuen9B9xHEVf0BjM5uJZ4_jAdw%40mail.gmail.com
> http://mid.gmane.org/CAPcyv4jkVcBwecxwt1P+p-fMSuen9B9xHEVf0BjM5uJZ4_jAdw%40mail.gmail.com
>
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-30 12:08 ` Thorsten Leemhuis
@ 2016-10-30 15:59 ` Dan Williams
2016-10-31 9:38 ` Matt Fleming
2016-11-03 0:41 ` Neri, Ricardo
0 siblings, 2 replies; 15+ messages in thread
From: Dan Williams @ 2016-10-30 15:59 UTC (permalink / raw)
To: Thorsten Leemhuis
Cc: Matt Fleming, LKML, linux-efi, Peter Jones, Ard Biesheuvel,
Ingo Molnar
On Sun, Oct 30, 2016 at 5:08 AM, Thorsten Leemhuis
<regressions@leemhuis.info> wrote:
> JFYI: I added this report to the list of regressions for Linux 4.9. I'll
> watch this thread for further updates on this issue to document progress
> in my weekly reports. Please let me know via regressions@leemhuis.info
> in case the discussion moves to a different place (bugzilla or another
> mail thread for example). tia!
>
> Current status (afaics) in my report: This looks stuck. Or was is
> discussed (or even fixed) somewhere else?
Thanks, and no, not fixed yet. I've not found the time to run the
experiments Matt needs, but a colleague has offered to look into it.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-30 15:59 ` Dan Williams
@ 2016-10-31 9:38 ` Matt Fleming
2016-11-03 0:41 ` Neri, Ricardo
1 sibling, 0 replies; 15+ messages in thread
From: Matt Fleming @ 2016-10-31 9:38 UTC (permalink / raw)
To: Dan Williams
Cc: Thorsten Leemhuis, LKML, linux-efi, Peter Jones, Ard Biesheuvel,
Ingo Molnar
On Sun, 30 Oct, at 08:59:58AM, Dan Williams wrote:
> On Sun, Oct 30, 2016 at 5:08 AM, Thorsten Leemhuis
> <regressions@leemhuis.info> wrote:
> > JFYI: I added this report to the list of regressions for Linux 4.9. I'll
> > watch this thread for further updates on this issue to document progress
> > in my weekly reports. Please let me know via regressions@leemhuis.info
> > in case the discussion moves to a different place (bugzilla or another
> > mail thread for example). tia!
> >
> > Current status (afaics) in my report: This looks stuck. Or was is
> > discussed (or even fixed) somewhere else?
>
> Thanks, and no, not fixed yet. I've not found the time to run the
> experiments Matt needs, but a colleague has offered to look into it.
Of course, if you are willing to help with debugging, Thorsten, it
would be much appreciated and this bug might get fixed sooner.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-10-30 15:59 ` Dan Williams
2016-10-31 9:38 ` Matt Fleming
@ 2016-11-03 0:41 ` Neri, Ricardo
2016-11-03 5:18 ` Dan Williams
1 sibling, 1 reply; 15+ messages in thread
From: Neri, Ricardo @ 2016-11-03 0:41 UTC (permalink / raw)
To: Williams, Dan J
Cc: regressions@leemhuis.info, linux-kernel@vger.kernel.org,
matt@codeblueprint.co.uk, linux-efi@vger.kernel.org,
ard.biesheuvel@linaro.org, pjones@redhat.com, mingo@kernel.org
On Sun, 2016-10-30 at 08:59 -0700, Dan Williams wrote:
> On Sun, Oct 30, 2016 at 5:08 AM, Thorsten Leemhuis
> <regressions@leemhuis.info> wrote:
> > JFYI: I added this report to the list of regressions for Linux 4.9. I'll
> > watch this thread for further updates on this issue to document progress
> > in my weekly reports. Please let me know via regressions@leemhuis.info
> > in case the discussion moves to a different place (bugzilla or another
> > mail thread for example). tia!
> >
> > Current status (afaics) in my report: This looks stuck. Or was is
> > discussed (or even fixed) somewhere else?
>
> Thanks, and no, not fixed yet. I've not found the time to run the
> experiments Matt needs, but a colleague has offered to look into it.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-efi" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
Dan, was there a special configuration that you enabled for this bug?
The person working on the bug can't reproduce the bug in v4.9-rc1 or
v4.9-rc3.
^ permalink raw reply [flat|nested] 15+ messages in thread
* Re: 4.9-rc1 boot regression, ambiguous bisect result
2016-11-03 0:41 ` Neri, Ricardo
@ 2016-11-03 5:18 ` Dan Williams
0 siblings, 0 replies; 15+ messages in thread
From: Dan Williams @ 2016-11-03 5:18 UTC (permalink / raw)
To: Neri, Ricardo
Cc: regressions@leemhuis.info, linux-kernel@vger.kernel.org,
matt@codeblueprint.co.uk, linux-efi@vger.kernel.org,
ard.biesheuvel@linaro.org, pjones@redhat.com, mingo@kernel.org
On Wed, Nov 2, 2016 at 5:41 PM, Neri, Ricardo <ricardo.neri@intel.com> wrote:
> On Sun, 2016-10-30 at 08:59 -0700, Dan Williams wrote:
>> On Sun, Oct 30, 2016 at 5:08 AM, Thorsten Leemhuis
>> <regressions@leemhuis.info> wrote:
>> > JFYI: I added this report to the list of regressions for Linux 4.9. I'll
>> > watch this thread for further updates on this issue to document progress
>> > in my weekly reports. Please let me know via regressions@leemhuis.info
>> > in case the discussion moves to a different place (bugzilla or another
>> > mail thread for example). tia!
>> >
>> > Current status (afaics) in my report: This looks stuck. Or was is
>> > discussed (or even fixed) somewhere else?
>>
>> Thanks, and no, not fixed yet. I've not found the time to run the
>> experiments Matt needs, but a colleague has offered to look into it.
>> --
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>
> Dan, was there a special configuration that you enabled for this bug?
> The person working on the bug can't reproduce the bug in v4.9-rc1 or
> v4.9-rc3.
I am pxe-booting the platform to an nfs root filesystem.
^ permalink raw reply [flat|nested] 15+ messages in thread
end of thread, other threads:[~2016-11-03 5:18 UTC | newest]
Thread overview: 15+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-10-20 4:04 4.9-rc1 boot regression, ambiguous bisect result Dan Williams
2016-10-20 6:24 ` Ingo Molnar
2016-10-20 12:29 ` Matt Fleming
2016-10-20 15:22 ` Dan Williams
2016-10-20 19:37 ` Dan Williams
2016-10-21 7:00 ` Ingo Molnar
2016-10-21 18:20 ` Dan Williams
2016-10-21 15:41 ` Matt Fleming
2016-10-21 20:20 ` Matt Fleming
2016-10-21 23:20 ` Dan Williams
2016-10-30 12:08 ` Thorsten Leemhuis
2016-10-30 15:59 ` Dan Williams
2016-10-31 9:38 ` Matt Fleming
2016-11-03 0:41 ` Neri, Ricardo
2016-11-03 5:18 ` Dan Williams
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