From: Jens Axboe <axboe@kernel.dk>
To: Saritha Vinod <sarithavn@in.ibm.com>, fio@vger.kernel.org
Subject: Re: segmentation fault on power system
Date: Fri, 11 Oct 2013 10:28:24 -0600 [thread overview]
Message-ID: <52582728.6080307@kernel.dk> (raw)
In-Reply-To: <OFC504DD8C.6281DAA5-ON65257C00.00230F83-65257C00.0023BABE@in.ibm.com>
On 10/10/2013 12:30 AM, Saritha Vinod wrote:
>
> Hi Jens,
>
>>> Yes. If we set unlimit core dump, fio will generate a core with
>>> backtrace like this one:
>>>
>>> #0 mfspr (envp=<value optimized out>) at arch/arch-ppc.h:55
>>> 55 asm volatile("mfspr %0,%1": "=r" (val) : "K" (reg));
>>> Missing separate debuginfos, use: debuginfo-install
> glibc-2.12-1.107.el6.ppc64 libaio-0.3.107-10.el6.ppc64
>>> (gdb) bt
>>> #0 mfspr (envp=<value optimized out>) at arch/arch-ppc.h:55
>>> #1 get_cpu_clock (envp=<value optimized out>) at arch/arch-ppc.h:71
>>> #2 atb_child (envp=<value optimized out>) at arch/arch-ppc.h:88
>>> #3 atb_clocktest (envp=<value optimized out>) at arch/arch-ppc.h:98
>>> #4 arch_init (envp=<value optimized out>) at arch/arch-ppc.h:116
>>> #5 initialize_fio (envp=<value optimized out>) at libfio.c:248
>>> #6 0x0000000010067294 in main (argc=<value optimized out>, argv=<value
> optimized out>,
>>> envp=<value optimized out>) at fio.c:33
>>>
>>>
>>> Apologize for late to reply.
>
>> Alright, I'll have PPC default to the normal clock until we can improve
>> and detect this properly.
>
> Is there a new rpm for fio available with this fix?
> With fio version fio-2.1.2, I am still getting the core dump.
Use latest git of fio and it should work.
--
Jens Axboe
next prev parent reply other threads:[~2013-10-11 16:29 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-10 6:30 segmentation fault on power system Saritha Vinod
2013-10-11 16:28 ` Jens Axboe [this message]
-- strict thread matches above, loose matches on Subject: below --
2013-07-23 10:13 Han Pingtian
2013-07-23 10:23 ` Erwan Velu
2013-07-23 15:15 ` Jens Axboe
2013-07-24 2:10 ` Han Pingtian
2013-07-24 6:21 ` Han Pingtian
2013-07-25 14:34 ` Jens Axboe
2013-08-09 8:39 ` Han Pingtian
2013-08-09 15:02 ` Jens Axboe
2013-07-24 1:40 ` Han Pingtian
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