From: Andrew Morton <akpm@linux-foundation.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Matthias Urlichs <matthias@urlichs.de>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [Regression] sshd hangs on close
Date: Sat, 30 Aug 2008 14:14:31 -0700 [thread overview]
Message-ID: <20080830141431.7bb34048.akpm@linux-foundation.org> (raw)
In-Reply-To: <200808302228.58255.rjw@sisk.pl>
On Sat, 30 Aug 2008 22:28:57 +0200 "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> [Adding CCs]
>
> On Saturday, 30 of August 2008, Matthias Urlichs wrote:
> > "top" sees multiple instances of:
> >
> > 6008 root 20 3184 D 0 0:00.06 flush_cpu sshd: root@pts/13
> >
> > This is 2.6.27rc5, preemption and tickless turned on, on a 4-CPU machine.
> > (OK, two hyperthreaded ones :-P) strace() shows that this happens on the
> > last close of its /dev/ptmx file descriptor, which hangs.
> >
> > I'll do a bisect early next week unless somebody else identifies a likely
> > suspect.
> >
Please do `echo w > /proc/sysrq-trigger', send the resulting trace.
prev parent reply other threads:[~2008-08-30 21:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-30 9:18 [Regression] sshd hangs on close Matthias Urlichs
2008-08-30 20:28 ` Rafael J. Wysocki
2008-08-30 21:14 ` Andrew Morton [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=20080830141431.7bb34048.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=matthias@urlichs.de \
--cc=mingo@elte.hu \
--cc=rjw@sisk.pl \
--cc=tglx@linutronix.de \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.