linux-kernel - Re: [BUG] Odd interaction between uninterruptible syscall and stack overflow

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Date:	Sun, 15 Mar 2015 19:45:40 +0100
From:	Richard Weinberger <richard@....at>
To:	Simonas <s@...lauskas.me>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] Odd interaction between uninterruptible syscall and stack
 overflow

Am 15.03.2015 um 19:44 schrieb Simonas:
> On Sun, 15 Mar, 2015 at 8:37 PM, Richard Weinberger <richard@....at> wrote:
>> Am 15.03.2015 um 19:35 schrieb Simonas:
>>>  On Sun, 15 Mar, 2015 at 8:29 PM, Richard Weinberger <richard.weinberger@...il.com> wrote:
>>>>  Do you have a core dumper installed?
>>>>  i.e. kernel.core_pattern begins with a "|"?
>>
>> I bet if you remove the dumper. i.e. kernel.core_pattern = core, the issue does no longer happen.
>> What dumper is installed?
> 
> I had systemd’s coredump. Issue still reproducible after `sudo sysctl kernel.core_pattern=core`, sadly.

Okay. Then please retry with a recent kernel. Linus' for example
Maybe the issue got already fixed.

Thanks,
//richard
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