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>
[not found] ` <4B2697C4.2040204@compro.net>
[not found] ` <4B26A82E.5040902@knaff.lu>
[not found] ` <4B26B031.4060301@compro.net>
[not found] ` <4B26BAE3.2090408@knaff.lu>
[not found] ` <4B275975.8040509@cfl.rr.com>
[not found] ` <4B275B18.80704@knaff.lu>
[not found] ` <4B275D37.4090807@cfl.rr.com>
[not found] ` <4B2761E9.2030301@knaff.lu>
[not found] ` <4B276513.6030509@cfl.rr.com>
[not found] ` <4B276753.80807@knaff.lu>
[not found] ` <4B27983F.5090600@compro.net>
[not found] ` <4B27EF18.7050101@knaff.lu>
[not found] ` <4B28FDEB.3030800@compro.net>
[not found] ` <4B290029.90602@knaff.lu>
[not found] ` <4B2901DB.8040403@compro.net>
[not found] ` <4B29052B.9070406@knaff.lu>
[not found] ` <4B292D84.5040306@compro.net>
[not found] ` <4B29624F.2080109@knaff.lu>
[not found] ` <4B2A3805.8040707@compro.net>
[not found] ` <4B2A3E3E.8060405@knaff.lu>
[not found] ` <4B2A4975.8020809@compro.net>
[not found] ` <4B2A49F4.6070402@compro.net>
[not found] ` <4B2A4B86.8060307@knaff.lu>
[not found] ` <4B2A4C78.10107@compro.net>
[not found] ` <4B2A4CF7.6040000@knaff.lu>
[not found] ` <4B2A4EC9.2030902@compro.net>
[not found] ` <4B2A4FA5.5000701@knaff.lu>
[not found] ` <4B2A5192.6090602@compro.net>
[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
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=4B325D4A.5090304@compro.net \
--to=markh@compro.net \
--cc=alain@knaff.lu \
--cc=andi@firstfloor.org \
--cc=dmarkh@cfl.rr.com \
--cc=fdutils@fdutils.linux.lu \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=shaohua.li@intel.com \
--cc=torvalds@linux-foundation.org \
--cc=venkatesh.pallipadi@intel.com \
/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.