From: Paul Fulghum <paulkf@microgate.com>
To: Chuck Ebbert <76306.1226@compuserve.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Success: tty_io flush_to_ldisc() error message triggered
Date: Sat, 22 Jul 2006 09:04:44 -0500 [thread overview]
Message-ID: <44C2307C.9060607@microgate.com> (raw)
In-Reply-To: <200607212301_MC3-1-C5B7-9F6C@compuserve.com>
Chuck Ebbert wrote:
> Using the patch below that you sent me, this message printed today on
> my SMP system when terminating pppd:
>
> flush_to_ldisc - TTY_FLUSHING set, low_latency=0
>
> And this bug is also in 2.6.17.4 - I forgot to reboot into 2.6.16.x
> and the system locked up the same way 2.6.16 used to. That was made
> even more fun by the 'SysRq broken on SMP' bug fixed by a pending
> 2.6.17.7 patch...
That confirms my thoughts on what went wrong:
multiple copies of the queued work (flush_to_ldisc)
running in parallel and corrupting the free buffer list.
A cleaner fix for this is already
in the 2.6.18 rc series.
Thanks,
Paul
--
Paul Fulghum
Microgate Systems, Ltd.
next prev parent reply other threads:[~2006-07-22 14:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-22 2:58 Success: tty_io flush_to_ldisc() error message triggered Chuck Ebbert
2006-07-22 14:02 ` Paul Fulghum
2006-07-22 14:04 ` Paul Fulghum [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-07-22 16:07 Chuck Ebbert
2006-07-22 16:41 ` Paul Fulghum
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=44C2307C.9060607@microgate.com \
--to=paulkf@microgate.com \
--cc=76306.1226@compuserve.com \
--cc=alan@lxorguk.ukuu.org.uk \
--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