* linux-next: boot failure after merge of the tip tree
@ 2023-05-24 5:44 Stephen Rothwell
2023-05-24 9:34 ` Peter Zijlstra
0 siblings, 1 reply; 3+ messages in thread
From: Stephen Rothwell @ 2023-05-24 5:44 UTC (permalink / raw)
To: Thomas Gleixner, Ingo Molnar, H. Peter Anvin, Peter Zijlstra
Cc: Linux Next Mailing List, PowerPC, Linux Kernel Mailing List
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Hi all,
After merging the tip tree, today's linux-next build (powerpc
pseries_le_defconfig) failed to boot like this:
Built 1 zonelists, mobility grouping on. Total pages: 32736
Policy zone: Normal
mem auto-init: stack:all(zero), heap alloc:off, heap free:off
Memory: 2027392K/2097152K available (17984K kernel code, 3328K rwdata, 14784K rodata, 6080K init, 1671K bss, 69760K reserved, 0K cma-reserved)
*crickets*
Bisected to commit
f4ab23558310 ("slub: Replace cmpxchg_double()")
I have reverted that commit (and the following one) for today.
--
Cheers,
Stephen Rothwell
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: linux-next: boot failure after merge of the tip tree
2023-05-24 5:44 linux-next: boot failure after merge of the tip tree Stephen Rothwell
@ 2023-05-24 9:34 ` Peter Zijlstra
2023-05-26 8:50 ` Ingo Molnar
0 siblings, 1 reply; 3+ messages in thread
From: Peter Zijlstra @ 2023-05-24 9:34 UTC (permalink / raw)
To: Stephen Rothwell
Cc: Linux Kernel Mailing List, Linux Next Mailing List,
H. Peter Anvin, Thomas Gleixner, PowerPC, Ingo Molnar
On Wed, May 24, 2023 at 03:44:59PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the tip tree, today's linux-next build (powerpc
> pseries_le_defconfig) failed to boot like this:
>
> Built 1 zonelists, mobility grouping on. Total pages: 32736
> Policy zone: Normal
> mem auto-init: stack:all(zero), heap alloc:off, heap free:off
> Memory: 2027392K/2097152K available (17984K kernel code, 3328K rwdata, 14784K rodata, 6080K init, 1671K bss, 69760K reserved, 0K cma-reserved)
>
> *crickets*
>
> Bisected to commit
>
> f4ab23558310 ("slub: Replace cmpxchg_double()")
>
> I have reverted that commit (and the following one) for today.
Sorry about that; turns out I forgot to test the case where cmpxchg128
wasn't available.
Please see:
https://lkml.kernel.org/r/20230524093246.GP83892@hirez.programming.kicks-ass.net
As stated there, I'm going to zap tip/locking/core for a few days and
let this fixed version run through the robots again before re-instating
it.
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: linux-next: boot failure after merge of the tip tree
2023-05-24 9:34 ` Peter Zijlstra
@ 2023-05-26 8:50 ` Ingo Molnar
0 siblings, 0 replies; 3+ messages in thread
From: Ingo Molnar @ 2023-05-26 8:50 UTC (permalink / raw)
To: Peter Zijlstra
Cc: Stephen Rothwell, Linux Kernel Mailing List,
Linux Next Mailing List, H. Peter Anvin, Thomas Gleixner, PowerPC,
Ingo Molnar
* Peter Zijlstra <peterz@infradead.org> wrote:
> On Wed, May 24, 2023 at 03:44:59PM +1000, Stephen Rothwell wrote:
> > Hi all,
> >
> > After merging the tip tree, today's linux-next build (powerpc
> > pseries_le_defconfig) failed to boot like this:
> >
> > Built 1 zonelists, mobility grouping on. Total pages: 32736
> > Policy zone: Normal
> > mem auto-init: stack:all(zero), heap alloc:off, heap free:off
> > Memory: 2027392K/2097152K available (17984K kernel code, 3328K rwdata, 14784K rodata, 6080K init, 1671K bss, 69760K reserved, 0K cma-reserved)
> >
> > *crickets*
> >
> > Bisected to commit
> >
> > f4ab23558310 ("slub: Replace cmpxchg_double()")
> >
> > I have reverted that commit (and the following one) for today.
>
> Sorry about that; turns out I forgot to test the case where cmpxchg128
> wasn't available.
>
> Please see:
>
> https://lkml.kernel.org/r/20230524093246.GP83892@hirez.programming.kicks-ass.net
>
> As stated there, I'm going to zap tip/locking/core for a few days and
> let this fixed version run through the robots again before re-instating
> it.
Note to -next, this should now be resolved in the tip:auto-latest branch.
Thanks,
Ingo
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-05-24 5:44 linux-next: boot failure after merge of the tip tree Stephen Rothwell
2023-05-24 9:34 ` Peter Zijlstra
2023-05-26 8:50 ` Ingo Molnar
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