linux-kernel - Re: cannot "hibernate" if program being debugged in gdb is paused after SIGABRT in linux 2.6.23 (but can in 2.6.22.7)

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Message-Id: <200710270138.15982.rjw@sisk.pl>
Date:	Sat, 27 Oct 2007 01:38:15 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	CSights <csights@...tmail.fm>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: cannot "hibernate" if program being debugged in gdb is paused after SIGABRT in linux 2.6.23 (but can in 2.6.22.7)

On Friday, 26 October 2007 03:03, CSights wrote:
> Hi LKML,
> 	My computer running kernel 2.6.23 does not "hibernate" (suspend to disk using 
> the kernel's methods) with a program (named stringTest) running in gdb, but 
> has received a SIGABRT.
> 	The hibernate is successful when running kernel 2.6.22.7 !

Certainly one of the freezer changes in 2.6.23 has caused that to happen ...

> Here is the message from gdb:
> 
> terminate called after throwing an instance of 'std::out_of_range'
>   what():  basic_string::substr
> 
> Program received signal SIGABRT, Aborted.
> 0xb7fb6410 in __kernel_vsyscall ()
> 
> And the attached file is the portion of /var/log/syslog when the hibernate was 
> attempted.
> 
> Let me know if there is anything else to send,

Well, a test program that triggers the SIGABRT under gdb would be useful.

Greetings,
Rafael
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