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Date: Wed, 23 Dec 2009 13:11:22 -0500 From: Mark Hounschell <markh@...pro.net> To: Linus Torvalds <torvalds@...ux-foundation.org> CC: Andi Kleen <andi@...stfloor.org>, "Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>, "dmarkh@....rr.com" <dmarkh@....rr.com>, Alain Knaff <alain@...ff.lu>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "fdutils@...tils.linux.lu" <fdutils@...tils.linux.lu>, "Li, Shaohua" <shaohua.li@...el.com>, Ingo Molnar <mingo@...e.hu> Subject: Re: [Fdutils] DMA cache consistency bug introduced in 2.6.28 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 -- 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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