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From: Michal Suchanek <hramrach@centrum.cz>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kernel Testers List <kernel-testers@vger.kernel.org>,
	Alexander van Heukelum <heukelum@fastmail.fm>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] x86: vm86: fix preemption bug
Date: Mon, 19 Jan 2009 15:55:09 +0100	[thread overview]
Message-ID: <a5d587fb0901190655o76688b2ar667861f75e94436f@mail.gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.00.0901132117270.3549@localhost.localdomain>

On 13/01/2009, Thomas Gleixner <tglx@linutronix.de> wrote:
> Impact: fix scheduling while atomic bug
>
>  commit 3d2a71a596bd9c761c8487a2178e95f8a61da083 (x86, traps: converge
>  do_debug handlers) changed the preemption disable logic of do_debug()
>  so vm86_handle_trap() is called with preemption disabled resulting in:
>

The patch seems to fix the the problem for me.

However, the patch does not apply automatically neither to 2.6.28 nor
2.6.29-rc1.

Thanks

Michal

  reply	other threads:[~2009-01-19 14:56 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <nn3SOLVZ28H.A.bY.CafaJB@chimera>
2009-01-11 11:36 ` [Bug #11849] default IRQ affinity change in v2.6.27 (breaking several SMP PPC based systems) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12155] Regression in 2.6.28-rc and 2.6.27-stable - hibernate related Rafael J. Wysocki
2009-01-11 14:34   ` Fabio Comolli
2009-01-11 18:40     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12160] networking oops after resume from s2ram (2.6.28-rc6) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12159] 2.6.28-rc6-git1 -- No sound produced from Intel HDA ALSA driver Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12061] snd_hda_intel: power_save: sound cracks on powerdown Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12209] oldish top core dumps (in its meminfo() function) Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12260] Regression due to commit 2b80848e3818fb1c (p54usb: support LM87 firmwares) Rafael J. Wysocki
2009-01-11 15:37   ` Larry Finger
2009-01-11 18:54     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12216] Error when drm is loaded Rafael J. Wysocki
2009-01-11 14:50   ` François Valenduc
2009-01-11 18:41     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12208] uml is very slow on 2.6.28 host Rafael J. Wysocki
2009-01-12 10:04   ` Miklos Szeredi
2009-01-12 12:28     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12224] journal activity on inactive partition causes inactive harddrive spinup Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12265] FPU emulation broken in 2.6.28-rc8 ? Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12264] i915: switching from kwin in opengl mode to a VT then back to x11, x11 freezes Rafael J. Wysocki
2009-01-12  0:42   ` Caleb Cushing
2009-01-12  8:00     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12279] 2.6.28 suspend regression - HP 2510p Rafael J. Wysocki
2009-01-11 16:03   ` Bartlomiej Zolnierkiewicz
2009-01-11 18:42     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12263] Sata soft reset filling log Rafael J. Wysocki
2009-01-12 23:53   ` Justin Madru
2009-01-13  0:18     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12337] ~100 extra wakeups reported by powertop Rafael J. Wysocki
2009-01-14  9:09   ` Alberto Gonzalez
2009-01-11 11:41 ` [Bug #12391] Processor does not go below C2 state until usb.autosuspend is enabled Rafael J. Wysocki
2009-01-18  8:24   ` Pavel Machek
2009-01-11 11:41 ` [Bug #12393] debugging in dosemu causes lots of 'scheduling while atomic' Rafael J. Wysocki
2009-01-13 22:36   ` [PATCH] x86: vm86: fix preemption bug Thomas Gleixner
2009-01-19 14:55     ` Michal Suchanek [this message]
2009-01-11 11:41 ` [Bug #12396] hwinfo problem since 2.6.28 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12401] 2.6.28 regression: xbacklight broken on ThinkPad X61s Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12395] 2.6.28-rc9: oprofile regression Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12403] TTY problem on linux-2.6.28-rc7 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12404] Oops in 2.6.28-rc9 and -rc8 -- mtrr issues / e1000e Rafael J. Wysocki
2009-01-14 13:56   ` Thomas Gleixner
2009-01-11 11:41 ` [Bug #12405] oops in __bounce_end_io_read under kvm Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12406] 2.6.28 thinks that my PS/2 mouse is a touchpad Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12407] Kernel 2.6.28 regression: Hang after hibernate Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12409] NULL pointer dereference at get_stats() Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12408] Funny problem with 2.6.28: Kernel stalls Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12410] resource map sanity check conflict: 0x7fffff00 0x800000ff 0x7ffff000 0x7fffffff ACPI Non-volatile Storage Rafael J. Wysocki
2009-01-12 11:31   ` Martin MOKREJŠ
2009-01-12 12:47     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12412] Regression in v2.6.28 introduced by: 'USB: skip Set-Interface(0) if already in altsetting 0' Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12411] 2.6.28: BUG in r8169 Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12413] iwl3945 - Error for wireless request "Set Encode" (8B2A) Rafael J. Wysocki
2009-01-11 15:24   ` Paul Rolland
2009-01-11 18:04   ` Paul Rolland
2009-01-11 18:51     ` Rafael J. Wysocki
2009-01-11 11:41 ` [Bug #12426] TMDC Joystick no longer works in kernel 2.6.28 Rafael J. Wysocki

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