From: Andreas Schwab <schwab@linux-m68k.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: tty breakage in X (Was: tty vs workqueue oddities)
Date: Thu, 02 Jun 2011 11:30:27 +0200 [thread overview]
Message-ID: <m2pqmwpolo.fsf@igel.home> (raw)
In-Reply-To: <1307003821.29297.77.camel@pasglop> (Benjamin Herrenschmidt's message of "Thu, 02 Jun 2011 18:37:01 +1000")
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> It looks like the patch is causing some major malfunctions of the X
> server for me, possibly related to PTYs. For example, cat'ing a large
> file in a gnome terminal hangs the kernel for -minutes- in a loop of
> what looks like flush_to_ldisc/workqueue code, (some ftrace data in the
> quoted bits further down).
Btw., do you already have d72bce0 ("rcu: Cure load woes")? Although
that is about an independent bug, it appears to amplify this issue a
lot.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2011-06-02 9:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 7:17 tty vs workqueue oddities Benjamin Herrenschmidt
2011-06-02 8:37 ` tty breakage in X (Was: tty vs workqueue oddities) Benjamin Herrenschmidt
2011-06-02 9:30 ` Andreas Schwab [this message]
2011-06-02 10:07 ` Alan Cox
2011-06-03 0:56 ` Benjamin Herrenschmidt
2011-06-03 6:17 ` Benjamin Herrenschmidt
2011-06-03 6:56 ` Benjamin Herrenschmidt
2011-06-03 9:36 ` Linus Torvalds
2011-06-05 14:37 ` Guillaume Chazarain
2011-06-06 14:24 ` Guillaume Chazarain
2011-06-08 2:44 ` Linus Torvalds
2011-06-08 3:31 ` Linus Torvalds
2011-06-08 8:31 ` Guillaume Chazarain
2011-06-08 8:28 ` Felipe Balbi
2011-06-08 9:04 ` Alan Cox
2011-06-02 10:03 ` tty vs workqueue oddities Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2011-06-03 10:23 tty breakage in X (Was: tty vs workqueue oddities) Milton Miller
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=m2pqmwpolo.fsf@igel.home \
--to=schwab@linux-m68k.org \
--cc=benh@kernel.crashing.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 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.