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Date: Mon, 10 Mar 2008 09:55:39 +0100 From: Anders Eriksson <aeriksson@...tmail.fm> To: Anders Eriksson <aeriksson@...tmail.fm> cc: Linus Torvalds <torvalds@...ux-foundation.org>, Jens Axboe <jens.axboe@...cle.com>, Bartlomiej Zolnierkiewicz <bzolnier@...il.com>, Ingo Molnar <mingo@...e.hu>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "Rafael J. Wysocki" <rjw@...k.pl> Subject: Re: Linux 2.6.25-rc4 aeriksson@...tmail.fm said: > torvalds@...ux-foundation.org said: >> I think we do want the bisect run here. >> My worry is that this is likely very timing-sensitive, so when it starts >> failing it might not be because of the commit that actually introduces the >> bug, but because some other timing changed, but with some luck that won't >> be the case. > I'm on it. Slow machine. Household's router, 4000 versions to go... The bisect came up with this: 18a056feccabdfa9764016a615121b194828bc72 is first bad commit commit 18a056feccabdfa9764016a615121b194828bc72 Author: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> Date: Sat Jan 26 20:13:12 2008 +0100 ide: don't enable local IRQs for PIO-in in driver_cmd_intr() (take 2) Don't enable local IRQs for PIO-in protocol in driver_cmd_intr(). While at it: * Remove redundant rq->cmd_type check. * Read status register after enabling local IRQs for no-data protocol. v2: * Re-add DRQ=1 check lost in v1 (noticed by Sergei). Acked-by: Sergei Shtylyov <sshtylyov@...mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> :040000 040000 5fb514a261b13494c5e9c035f9e7598276ce8839 0fda2eb7d96335061741d7f54ed3e05ca34ac5b8 M drivers -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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