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Date: Wed, 6 Nov 2002 18:25:29 -0500
From: Adam Kropelin <akropel1@rochester.rr.com>
To: Jens Axboe <axboe@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.5.46: ide-cd cdrecord (almost) success report
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References: <20021106041330.GA9489@www.kroptech.com> <20021106072223.GB4369@suse.de> <20021106074457.GE4369@suse.de>
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On Wed, Nov 06, 2002 at 08:44:57AM +0100, Jens Axboe wrote:
> On Wed, Nov 06 2002, Jens Axboe wrote:
> > > when the cdrecord buffer underran was surprising, though: oops below.
> > > Very repeatable. Can supply copious hw details if it helps.
> > 
> > I'll try and reproduce that here, there's been a similar report (same
> > oops) before. If you can just send me the dmesg output after a boot that
> > should be fine.
> 
> Could you reproduce with this patch? I'd like to see the request state
> when this happens.

Here you go... This was with max tags locked at 4. I've included some of
the surrounding lines from cdrecord.

--Adam

Track 01:   85 of  437 MB written (fifo   0%) [buf  31%]   3.3x./opt/schily/bin/cdrecord: Input/output error. write_g1: scsi sendcmd: no error
CDB:  2A 00 00 00 AA BE 00 00 1F 00
status: 0x1 (GOOD STATUS)
resid: 63488
cmd finished after 0.011s timeout 40s

write track data: error after 89518080 bytes
cdrom_newpc_intr: dev hdc: flags = REQ_RW REQ_NOMERGE REQ_STARTED REQ_BLOCK_PC REQ_FAILED REQ_QUIET
sector 0, nr/cnr 124/8
bio 00000000, biotail c1cd0860, buffer c968d000, data 00000000, len 63488
cdb: 2a 00 00 00 aa be 00 00 1f 00 00 00 00 00 00 00
hdc: padding 63488 bytes
Sense Bytes: 70 00 00 00 00 00 00 12 00 00 00 00 00 00 00 00 00 00

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