From: Jens Axboe <axboe@kernel.dk>
To: "Sébastien Bouchex Bellomié" <sbouchex@infovista.com>,
"fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Solaris issue with packed stat structures
Date: Thu, 30 Oct 2014 08:42:46 -0600 [thread overview]
Message-ID: <54524E66.50502@kernel.dk> (raw)
In-Reply-To: <14c6d46030d24183a714b5cf90ca81cc@DB4PR03MB572.eurprd03.prod.outlook.com>
On 2014-10-30 08:34, S�bastien Bouchex Bellomi� wrote:
> Hi,
>
> I'm the latest source on solaris SPARC and I have BUS errors when generating stats :
>
> Stack looks like this :
>
> 0002bac4 sum_stat (17973e, fbc05b38, 1, 0, 0, 22) + 38
> 0002cf24 sum_thread_stats (179526, fbc05920, 1, 0, fbd7de7c, 4) + a8
> 0003113c __show_run_stats (fe40ad88, 400, 0, 0, 0, 0) + 1124
> 000b0b10 fio_backend (0, ffbffcf4, 0, 0, 0, 15c174) + 200
> 000e6a40 main (2, ffbffcf4, ffbffd00, 166130, 0, fefe0180) + c4
> 00017844 _start (0, 0, 0, 0, 0, 0) + 5c
>
> It works fine on intel processors because the hardware is handling the misalignment but on Sparc, it is not handled, so a BUS error is generated
>
> To fix this issue, I have added some padding here :
>
> [...]
> uint16_t continue_on_error;
> uint16_t continue_on_error_pad; // <<<<<==== Pading here
> uint64_t total_err_count;
> uint32_t first_error;
What -git revision are you on? The latest should have the correct padding.
--
Jens Axboe
next prev parent reply other threads:[~2014-10-30 14:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-30 14:34 Solaris issue with packed stat structures Sébastien Bouchex Bellomié
2014-10-30 14:42 ` Jens Axboe [this message]
2014-10-30 14:55 ` Sébastien Bouchex Bellomié
2014-10-30 14:56 ` Jens Axboe
2014-10-30 17:12 ` Sébastien Bouchex Bellomié
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