* 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page arrival"
@ 2016-07-16 14:46 Mikulas Patocka
2016-07-16 14:51 ` Minchan Kim
0 siblings, 1 reply; 2+ messages in thread
From: Mikulas Patocka @ 2016-07-16 14:46 UTC (permalink / raw)
To: Lukasz Odzioba, Sasha Levin
Cc: Michal Hocko, Kirill Shutemov, Andrea Arcangeli, Vladimir Davydov,
Ming Li, Minchan Kim, Andrew Morton, stable, linux-mm,
linux-kernel
Hi
The patch c5ad33184354260be6d05de57e46a5498692f6d6 on the kernel v4.1.28
breaks the kernel. The kernel crashes when executing the boot scripts with
"kernel panic: Out of memory and no killable processes...". The machine
has 512MB ram and 1 core.
Note that the upstream kernel 4.7-rc4 with this patch works, but when the
patch is backported to the 4.1 branch, it makes the system unbootable.
Mikulas
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* Re: 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page arrival"
2016-07-16 14:46 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page arrival" Mikulas Patocka
@ 2016-07-16 14:51 ` Minchan Kim
0 siblings, 0 replies; 2+ messages in thread
From: Minchan Kim @ 2016-07-16 14:51 UTC (permalink / raw)
To: Mikulas Patocka
Cc: Lukasz Odzioba, Sasha Levin, Michal Hocko, Kirill Shutemov,
Andrea Arcangeli, Vladimir Davydov, Ming Li, Andrew Morton,
stable, linux-mm, linux-kernel
On Sat, Jul 16, 2016 at 10:46:17AM -0400, Mikulas Patocka wrote:
> Hi
>
> The patch c5ad33184354260be6d05de57e46a5498692f6d6 on the kernel v4.1.28
> breaks the kernel. The kernel crashes when executing the boot scripts with
> "kernel panic: Out of memory and no killable processes...". The machine
> has 512MB ram and 1 core.
>
> Note that the upstream kernel 4.7-rc4 with this patch works, but when the
> patch is backported to the 4.1 branch, it makes the system unbootable.
It seems a bug was introduced at backport time, I think.
Please, look at http://marc.info/?l=linux-mm&m=146868046305014&w=2
>
> Mikulas
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2016-07-16 14:46 4.1.28 is broken due to "mm/swap.c: flush lru pvecs on compound page arrival" Mikulas Patocka
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