From: Mark Hounschell <markh@compro.net>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>,
"Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
"dmarkh@cfl.rr.com" <dmarkh@cfl.rr.com>,
Alain Knaff <alain@knaff.lu>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"fdutils@fdutils.linux.lu" <fdutils@fdutils.linux.lu>,
"Li, Shaohua" <shaohua.li@intel.com>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [Fdutils] DMA cache consistency bug introduced in 2.6.28
Date: Wed, 23 Dec 2009 13:11:22 -0500 [thread overview]
Message-ID: <4B325D4A.5090304@compro.net> (raw)
In-Reply-To: <alpine.LFD.2.00.0912230955590.6879@localhost.localdomain>
On 12/23/2009 01:01 PM, Linus Torvalds wrote:
>
>
> On Wed, 23 Dec 2009, Mark Hounschell wrote:
>>
>> I'll try the patch Linus provided now.
>
> I doubt it matters - because if it did, it would matter for everybody, and
> the HPET thing shouldn't make any difference at all.
>
> [ Or rather, it should matter for everybody trying to format a specific
> format (without interleave it won't matter, and not all formats have any
> interleave - I think it was mainly used on 5.25" floppies and special
> formats). ]
>
> Besides, maybe I was just mis-reading the code.
>
> But getting some testing for the patch certainly won't hurt, so I'm not
> going to argue against it any more ;)
Yea, that hosed it up pretty good. The very first track label sent out
caused some sort of timeout.
Dec 23 13:10:02 harley kernel:
Dec 23 13:10:02 harley kernel: floppy driver state
Dec 23 13:10:02 harley kernel: -------------------
Dec 23 13:10:02 harley kernel: now=9017 last interrupt=8117 diff=900 last
called handler=f73ce27d
Dec 23 13:10:02 harley kernel: timeout_message=lock fdc
Dec 23 13:10:02 harley kernel: last output bytes:
Dec 23 13:10:02 harley kernel: 0 90 4294899106
Dec 23 13:10:02 harley kernel: 1a 90 4294899106
Dec 23 13:10:02 harley kernel: 0 90 4294899106
Dec 23 13:10:02 harley kernel: 3 90 4294899106
Dec 23 13:10:02 harley kernel: c1 90 4294899106
Dec 23 13:10:02 harley kernel: 10 90 4294899106
Dec 23 13:10:02 harley kernel: 7 80 4294899106
Dec 23 13:10:02 harley kernel: 0 90 4294899106
Dec 23 13:10:02 harley kernel: 8 81 4294899106
Dec 23 13:10:02 harley kernel: 4 80 4294899106
Dec 23 13:10:02 harley kernel: 0 90 4294899106
Dec 23 13:10:02 harley kernel: e6 80 8007
Dec 23 13:10:02 harley kernel: 0 90 8007
Dec 23 13:10:02 harley syslog-ng[2651]: last message repeated 2 times
Dec 23 13:10:02 harley kernel: 1 90 8007
Dec 23 13:10:02 harley kernel: 2 90 8007
Dec 23 13:10:02 harley kernel: 12 90 8007
Dec 23 13:10:02 harley kernel: 1b 90 8007
Dec 23 13:10:02 harley kernel: ff 90 8007
Dec 23 13:10:02 harley kernel: last result at 8117
Dec 23 13:10:02 harley kernel: last redo_fd_request at 8117
Dec 23 13:10:02 harley kernel:
Dec 23 13:10:02 harley kernel: status=80
Dec 23 13:10:02 harley kernel: fdc_busy=1
Dec 23 13:10:02 harley kernel: cont=f73d58e4
Dec 23 13:10:02 harley kernel: current_req=(null)
Dec 23 13:10:02 harley kernel: command_status=-1
Dec 23 13:10:02 harley kernel:
Dec 23 13:10:02 harley kernel: floppy0: floppy timeout called
Dec 23 13:10:22 harley kernel:
Dec 23 13:10:22 harley kernel: floppy driver state
Dec 23 13:10:22 harley kernel: -------------------
Dec 23 13:10:22 harley kernel: now=15017 last interrupt=8117 diff=6900 last
called handler=f73ce27d
Dec 23 13:10:22 harley kernel: timeout_message=do wakeup
Dec 23 13:10:22 harley kernel: last output bytes:
Dec 23 13:10:22 harley kernel: 0 90 4294899106
Dec 23 13:10:22 harley kernel: 1a 90 4294899106
Dec 23 13:10:22 harley kernel: 0 90 4294899106
Dec 23 13:10:22 harley kernel: 3 90 4294899106
Dec 23 13:10:22 harley kernel: c1 90 4294899106
Dec 23 13:10:22 harley kernel: 10 90 4294899106
Dec 23 13:10:22 harley kernel: 7 80 4294899106
Dec 23 13:10:22 harley kernel: 0 90 4294899106
Dec 23 13:10:22 harley kernel: 8 81 4294899106
Dec 23 13:10:22 harley kernel: 4 80 4294899106
Dec 23 13:10:22 harley kernel: 0 90 4294899106
Dec 23 13:10:22 harley kernel: e6 80 8007
Dec 23 13:10:22 harley kernel: 0 90 8007
Dec 23 13:10:22 harley syslog-ng[2651]: last message repeated 2 times
Dec 23 13:10:22 harley kernel: 1 90 8007
Dec 23 13:10:22 harley kernel: 2 90 8007
Dec 23 13:10:22 harley kernel: 12 90 8007
Dec 23 13:10:22 harley kernel: 1b 90 8007
Dec 23 13:10:22 harley kernel: ff 90 8007
Dec 23 13:10:22 harley kernel: last result at 8117
Dec 23 13:10:22 harley kernel: last redo_fd_request at 8117
Dec 23 13:10:22 harley kernel:
Dec 23 13:10:22 harley kernel: status=80
Dec 23 13:10:22 harley kernel: fdc_busy=1
Dec 23 13:10:22 harley kernel: floppy_work.func=f73d03da
Dec 23 13:10:22 harley kernel: cont=f73d5274
Dec 23 13:10:22 harley kernel: current_req=(null)
Dec 23 13:10:22 harley kernel: command_status=-1
Dec 23 13:10:22 harley kernel:
Dec 23 13:10:22 harley kernel: floppy0: floppy timeout called
Dec 23 13:10:22 harley kernel: floppy.c: no request in request_don
Have to reboot now...
Mark
next prev parent reply other threads:[~2009-12-23 18:11 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4AFB3962.2020106@ntlworld.com>
[not found] ` <4B2610F8.7050609@cfl.rr.com>
[not found] ` <4B2618EF.9020709@knaff.lu>
[not found] ` <4B264448.5040604@compro.net>
[not found] ` <4B26884C.8000306@knaff.lu>
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[not found] ` <4B27983F.5090600@compro.net>
[not found] ` <4B27EF18.7050101@knaff.lu>
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[not found] ` <4B2A530D.3080606@knaff! .lu>
[not found] ` <4B2A530D.3080606@knaff.lu>
2009-12-17 17:00 ` DMA cache consistency bug introduced in 2.6.28 (Was: Re: [Fdutils] Cannot format floppies under kernel 2.6.*?) Alain Knaff
2009-12-17 17:27 ` Linus Torvalds
2009-12-17 18:21 ` DMA cache consistency bug introduced in 2.6.28 Krzysztof Halasa
2009-12-17 20:46 ` DMA cache consistency bug introduced in 2.6.28 (Was: Re: [Fdutils] Cannot format floppies under kernel 2.6.*?) Alain Knaff
2009-12-17 21:14 ` Linus Torvalds
2009-12-17 22:11 ` Alain Knaff
2009-12-17 22:43 ` Linus Torvalds
2009-12-17 23:24 ` Alain Knaff
2009-12-18 8:59 ` Mark Hounschell
2009-12-18 10:55 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 (Was: " Mark Hounschell
2009-12-18 15:01 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 Krzysztof Halasa
2009-12-18 15:22 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 (Was: Re: Cannot format floppies under kernel 2.6.*?) Linus Torvalds
2009-12-18 15:28 ` Mark Hounschell
2009-12-18 15:45 ` Linus Torvalds
2009-12-18 20:04 ` Mark Hounschell
2009-12-18 20:15 ` Linus Torvalds
2009-12-22 15:11 ` Mark Hounschell
2009-12-22 17:38 ` Linus Torvalds
2009-12-22 17:57 ` Mark Hounschell
2009-12-22 23:37 ` Pallipadi, Venkatesh
2009-12-23 0:22 ` Mark Hounschell
2009-12-23 13:02 ` Mark Hounschell
2009-12-23 15:10 ` Pallipadi, Venkatesh
2009-12-23 15:34 ` Mark Hounschell
2009-12-23 15:57 ` Mark Hounschell
2009-12-23 16:31 ` Linus Torvalds
2009-12-23 16:38 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 Andi Kleen
2009-12-23 16:49 ` Linus Torvalds
2009-12-23 17:08 ` Andi Kleen
2009-12-25 12:21 ` Arjan van de Ven
2009-12-25 20:33 ` Andi Kleen
2009-12-26 9:38 ` Arjan van de Ven
2009-12-26 16:40 ` Andi Kleen
2009-12-27 12:28 ` Alain Knaff
2009-12-28 1:54 ` Andi Kleen
2009-12-28 10:27 ` Alain Knaff
2009-12-28 14:54 ` Andi Kleen
2009-12-27 11:09 ` Pavel Machek
2009-12-28 20:54 ` Mark Hounschell
2009-12-23 17:19 ` Pallipadi, Venkatesh
2009-12-23 17:16 ` Andi Kleen
2009-12-23 20:11 ` alain
2009-12-23 17:41 ` Mark Hounschell
2009-12-23 18:01 ` Linus Torvalds
2009-12-23 18:11 ` Mark Hounschell [this message]
2009-12-23 19:18 ` Pallipadi, Venkatesh
2009-12-23 19:35 ` Mark Hounschell
2009-12-23 20:30 ` Pallipadi, Venkatesh
2009-12-23 20:34 ` alain
2009-12-23 21:34 ` Pallipadi, Venkatesh
2010-01-08 17:42 ` Mark Hounschell
2010-01-12 0:19 ` Pallipadi, Venkatesh
2010-01-12 9:04 ` Mark Hounschell
2010-01-15 2:01 ` Pallipadi, Venkatesh
2010-01-15 9:39 ` Mark Hounschell
2010-01-15 18:02 ` Mark Hounschell
2010-01-21 19:09 ` [PATCH] x86: Disable HPET MSI on ATI SB700/SB800 Pallipadi, Venkatesh
2010-01-22 22:00 ` [tip:x86/urgent] " tip-bot for Pallipadi, Venkatesh
2010-01-23 6:51 ` tip-bot for Pallipadi, Venkatesh
2010-01-23 7:21 ` [PATCH] " Yuhong Bao
2010-01-25 17:10 ` Andreas Herrmann
2010-01-28 9:17 ` Mark Hounschell
2010-01-28 13:25 ` Mark Hounschell
2010-01-28 13:41 ` Borislav Petkov
2010-01-28 14:45 ` Mark Hounschell
2010-05-17 14:59 ` Andreas Herrmann
2010-05-17 15:10 ` Yuhong Bao
2010-05-17 15:12 ` Linus Torvalds
2010-05-17 16:46 ` Andreas Herrmann
2010-05-18 0:56 ` Robert Hancock
2010-05-18 1:02 ` Linus Torvalds
2010-05-18 1:06 ` Robert Hancock
2010-05-18 8:45 ` Andi Kleen
2010-05-18 23:22 ` Robert Hancock
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