From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg KH <gregkh@suse.de>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 2.6.33-git
Date: Sat, 12 Dec 2009 11:06:56 +0100 [thread overview]
Message-ID: <20091212100656.GA25286@elte.hu> (raw)
In-Reply-To: <20091212013927.58d386d1.akpm@linux-foundation.org>
* Andrew Morton <akpm@linux-foundation.org> wrote:
> Have a trace. I'm actually wondering if perhaps there's a missing
> unlock_kernel() somewhere else, and the tty code is just the victim of
> that.
Unlikely i'd say. I have 1000+ successful overnight tests on the latest
tree Linus pushed out:
3ef884b: Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/d
So that's a guaranteed 'good' kernel.
The moment i merged 053fe57 into -tip the lockups started, so that's a
guaranteed 'bad' kernel. There's only the TTY changes between those two
points that look remotely related.
It's spurious though so quite hard to bisect. I tried one bisection
today already and it got on the wrong track. I'll do a brute-force
revert of the commits i quoted, lets see what happens.
Ingo
next prev parent reply other threads:[~2009-12-12 10:07 UTC|newest]
Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-11 23:28 [GIT PATCH] TTY patches for 2.6.33-git Greg KH
2009-12-11 23:27 ` [PATCH 01/58] jsm: IRQ handlers doesn't need to have IRQ_DISABLED enabled Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 02/58] jsm: Rewriting a bad log message Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 03/58] jsm: remove the ch_custom_speed field Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 04/58] jsm: removing ch_old_baud field Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 05/58] jsm: Remove ch_cpstime field Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 06/58] jsm: Removing unused jsm_channel->ch_wopen field Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 07/58] jsm: removing the field jsm_board->intr_count Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 08/58] jsm: adding EEH handlers Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 09/58] tty: const: constify remaining tty_operations Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 10/58] tty: esp: remove broken driver Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 11/58] tty: istallion: Kill off the BKL ioctl Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 12/58] tty: stallion: kill " Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 13/58] tty_port: add "tty_port_open" helper Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 14/58] tty_port: coding style cleaning pass Greg Kroah-Hartman
2009-12-11 23:27 ` [PATCH 15/58] usb_serial: Use the shutdown() operation Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 16/58] usb_serial: Kill port mutex Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 17/58] opticon: Fix resume logic Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 18/58] serial: fix NULL pointer dereference Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 19/58] serial: cascade needless conditionals Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 20/58] serial, 8250: calculate irqflags bitmask before loop Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 21/58] Serial: pxa: work around Errata #75 Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 22/58] tty: docs: serial/tty, add to ldisc methods Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 23/58] Serial: Do not read IIR in serial8250_start_tx when UART_BUG_TXEN Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 24/58] devpts_get_tty() should validate inode Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 25/58] tty_port: Move hupcl handling Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 26/58] sdio_uart: use tty_port Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 27/58] sdio_uart: Fix oops caused by the previous changeset Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 28/58] sdio_uart: refcount the tty objects Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 29/58] sdio_uart: Move the open lock Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 30/58] tty: sdio_uart: Switch to the open/close helpers Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 31/58] tty: sdio_uart: Fix termios handling Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 32/58] tty: sdio_uart: Style fixes Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 33/58] tty: sdio_uart: add modem functionality Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 34/58] tty: sdio_uart: Fix the locking on "func" for new code Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 35/58] tty: tty_port: Change the buffer allocator locking Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 36/58] tty: riscom8: switch to the tty_port_open API Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 37/58] tty: tty_port: Add IO_ERROR bit handling Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 38/58] tty: tty_port: Move the IO_ERROR clear Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 39/58] tty: stallion: Convert to the tty_port_open/close methods Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 40/58] tty: istallion: tty port open/close methods Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 41/58] tty: tty_port: Add a kref object to the tty port Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 42/58] tty: isicom: switch to the new tty_port_open helper Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 43/58] tty: isicom: sort out the board init logic Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 44/58] tty: mxser: use the tty_port_open method Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 45/58] tty: mxser: Use the new locking rules to fix setserial properly Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 46/58] tty: isicom: fix deadlock on shutdown Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 47/58] tty: moxa: Use more tty_port ops Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 48/58] tty: moxa: rework the locking a bit Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 49/58] tty: moxa: Locking clean up Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 50/58] tty: moxa: Kill off the throttle method Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 51/58] tty: moxa: Fix modem op locking Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 52/58] tty: moxa: Kill the use of lock_kernel Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 53/58] tty: moxa: split open lock Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 54/58] tty: push the BKL down into the handlers a bit Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 55/58] tty: Push the lock down further into the ldisc code Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 56/58] tty: Push the bkl down a bit in the hangup code Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 57/58] tty: Move the leader test in disassociate Greg Kroah-Hartman
2009-12-11 23:28 ` [PATCH 58/58] tty: split the lock up a bit further Greg Kroah-Hartman
2009-12-12 8:46 ` [GIT PATCH] TTY patches for 2.6.33-git Ingo Molnar
2009-12-12 9:39 ` Andrew Morton
2009-12-12 10:06 ` Ingo Molnar [this message]
2009-12-12 10:15 ` Ingo Molnar
2009-12-12 10:41 ` Andrew Morton
2009-12-12 10:52 ` Ingo Molnar
2009-12-12 10:10 ` Ingo Molnar
2009-12-12 10:36 ` Andrew Morton
2009-12-12 17:16 ` Linus Torvalds
2009-12-12 17:26 ` Linus Torvalds
2009-12-12 21:42 ` Alan Cox
2009-12-12 21:48 ` Thomas Gleixner
2009-12-12 22:25 ` Linus Torvalds
2009-12-12 22:31 ` Thomas Gleixner
2009-12-12 22:21 ` Linus Torvalds
2009-12-12 22:33 ` Thomas Gleixner
2009-12-12 23:17 ` Linus Torvalds
2009-12-13 6:58 ` Ingo Molnar
2009-12-13 11:36 ` Alan Cox
2009-12-13 12:13 ` Ingo Molnar
2009-12-13 17:46 ` Linus Torvalds
2009-12-13 18:17 ` Ingo Molnar
2009-12-13 18:33 ` Trond Myklebust
2009-12-13 19:07 ` Linus Torvalds
2009-12-13 19:17 ` Trond Myklebust
2009-12-13 19:04 ` Frederic Weisbecker
2009-12-13 19:09 ` Trond Myklebust
2009-12-13 19:19 ` Linus Torvalds
2009-12-13 20:04 ` Trond Myklebust
2009-12-13 19:20 ` Frederic Weisbecker
2009-12-13 17:55 ` Arjan van de Ven
2009-12-13 19:16 ` Frederic Weisbecker
2009-12-14 5:30 ` Arjan van de Ven
2009-12-14 10:39 ` Oliver Neukum
2009-12-14 16:02 ` Arjan van de Ven
2009-12-16 9:15 ` Arnd Bergmann
2009-12-12 11:02 ` Alan Cox
2009-12-12 22:34 ` Thomas Gleixner
2009-12-12 10:42 ` Alan Cox
2009-12-12 10:42 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2010-03-02 23:09 Greg KH
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