From: Thomas Gleixner <tglx@linutronix.de>
To: Aleksander Salwa <A.Salwa@osmosys.tv>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: divide error at sample_to_timespec
Date: Sat, 21 Jan 2006 11:28:07 +0100 [thread overview]
Message-ID: <1137839287.28034.57.camel@localhost.localdomain> (raw)
In-Reply-To: <43CE44F1.6020107@osmosys.tv>
On Wed, 2006-01-18 at 14:38 +0100, Aleksander Salwa wrote:
> Hi all,
>
> I got a "divide error" message from the kernel in my system log file
> (x86, P4 HT, kernel 2.6.14-1.1653_FC4smp). System is still alive, but
> probably something bad happened with thread that made a syscall which
> caused that divide error. Should it be considered a kernel bug ?
> It looks like there is an overflow (too big value in edx:aex divided by
> relatively small value in ebx).
Actually the value is negative: 0xffffffffffc2f700
This is -4000000 ns == -4ms
So the accounting is off by one jiffie.
Does this happen with current kernels too ?
tglx
prev parent reply other threads:[~2006-01-21 10:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-18 13:38 divide error at sample_to_timespec Aleksander Salwa
2006-01-21 10:28 ` Thomas Gleixner [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1137839287.28034.57.camel@localhost.localdomain \
--to=tglx@linutronix.de \
--cc=A.Salwa@osmosys.tv \
--cc=akpm@osdl.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox