Message-ID: <4BEB5132.6060201@gmail.com>
Date:	Wed, 12 May 2010 19:09:06 -0600
From:	Robert Hancock <hancockrwd@...il.com>
To:	Thomas Fjellstrom <tfjellstrom@...angesoft.net>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org,
	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: burning small isos repeatedly failing with hangcheck error

On 05/10/2010 06:52 PM, Thomas Fjellstrom wrote:
> On May 10, 2010, Robert Hancock wrote:
>> On 05/10/2010 05:50 PM, Thomas Fjellstrom wrote:
>>> On May 10, 2010, Andrew Morton wrote:
>>>> (lotsa cc's added)
>>>>
>>>> On Mon, 26 Apr 2010 18:55:28 -0600
>>>>
>>>> Thomas Fjellstrom<tfjellstrom@...angesoft.net>   wrote:
>>>>> I'm having problems burning a small iso image to a DVDR,
>>>>> every single attempt leads to the following type of errors:
>>>>>
>>>>> [  192.190114] cdrom: This disc doesn't have any tracks I recognize!
>>>>> [  192.220213] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK
>>>>> driverbyte=DRIVER_SENSE [  192.220217] sr 1:0:0:0: [sr0] Sense Key :
>>>>> Illegal Request [current] [  192.220220] Info fld=0x0
>>>>> [  192.220221] sr 1:0:0:0: [sr0] Add. Sense: Logical block address
>>>>> out of range [  192.220231] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00
>>>>> 00 00 00 00 00 00 01 00 [  192.220242] end_request: I/O error, dev
>>>>> sr0, sector 0
>>>>> [  192.220246] Buffer I/O error on device sr0, logical block 0
>>>>> [  192.222931] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK
>>>>> driverbyte=DRIVER_SENSE [  192.222934] sr 1:0:0:0: [sr0] Sense Key :
>>>>> Illegal Request [current] [  192.222936] Info fld=0x0
>>>>> [  192.222938] sr 1:0:0:0: [sr0] Add. Sense: Logical block address
>>>>> out of range [  192.222940] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00
>>>>> 00 00 00 00 00 00 01 00 [  192.222946] end_request: I/O error, dev
>>>>> sr0, sector 0
>>>>> [  192.222948] Buffer I/O error on device sr0, logical block 0
>>>>> [  600.489102] INFO: task wodim:3587 blocked for more than 120
>>>>> seconds. [  600.489106] "echo 0>
>>>>> /proc/sys/kernel/hung_task_timeout_secs" disables this message. [
>>>>> 600.489107] wodim         D ffff880005515680
>>>>>
>>>>>       0  3587   2994 0x00000000 [  600.489111]  ffff88011ad80700
>>>>>
>>>>> 0000000000000082 0000000000000000 ffff88013b7700d0 [  600.489115]
>>>>> ffff88013b771e50 000000000000f8e0 ffff880078d6dfd8 0000000000015680 [
>>>>> 600.489118]  0000000000015680 ffff8800a891e200 ffff8800a891e4f0
>>>>> 000000013b771e50 [  600.489121] Call Trace:
>>>>> [  600.489147]  [<ffffffffa00e10d7>] ? atapi_xlat+0x0/0x125 [libata]
>>>>> [  600.489153]  [<ffffffffa00998cc>] ? scsi_done+0x0/0xc [scsi_mod]
>>>>> [  600.489160]  [<ffffffffa00e18d8>] ?
>>>>> __ata_scsi_queuecmd+0x185/0x1dc [libata] [  600.489170]
>>>>> [<ffffffff812ed4cb>] ?
>>>>> schedule_timeout+0x2e/0xdd [  600.489174]  [<ffffffff81171918>] ?
>>>>> blk_peek_request+0x18b/0x19f [  600.489179]  [<ffffffffa0099bb0>] ?
>>>>> scsi_dispatch_cmd+0x1d2/0x23f [scsi_mod] [  600.489185]
>>>>> [<ffffffffa009f4ab>] ? scsi_request_fn+0x429/0x506 [scsi_mod] [
>>>>> 600.489187]  [<ffffffff812ed366>] ? wait_for_common+0xde/0x15b [
>>>>> 600.489191]  [<ffffffff81042cc2>] ? default_wake_function+0x0/0x9 [
>>>>> 600.489194]  [<ffffffff8117556c>] ? blk_execute_rq+0x9c/0xcc [
>>>>> 600.489197]  [<ffffffff81171418>] ? __freed_request+0x26/0x83 [
>>>>> 600.489199]  [<ffffffff81171498>] ? freed_request+0x23/0x43 [
>>>>> 600.489202]  [<ffffffff8104f5ce>] ? capable+0x22/0x41
>>>>> [  600.489204]  [<ffffffff81178824>] ? sg_io+0x26e/0x396
>>>>> [  600.489207]  [<ffffffff81178e59>] ? scsi_cmd_ioctl+0x217/0x3fe
>>>>> [  600.489210]  [<ffffffff811806a6>] ? cpumask_next_and+0x2a/0x3a
>>>>> [  600.489213]  [<ffffffff81038ba4>] ? update_curr+0xa6/0x147
>>>>> [  600.489218]  [<ffffffffa014dfd2>] ? cdrom_ioctl+0x42/0xef7 [cdrom]
>>>>> [  600.489222]  [<ffffffff8100f76f>] ? sched_clock+0x5/0x8
>>>>> [  600.489224]  [<ffffffff81063b8f>] ? sched_clock_local+0x13/0x74
>>>>> [  600.489227]  [<ffffffff81042cb5>] ? try_to_wake_up+0x248/0x255
>>>>> [  600.489230]  [<ffffffff810f7bc4>] ? pollwake+0x53/0x5b
>>>>> [  600.489233]  [<ffffffff8104b129>] ? current_fs_time+0x1e/0x24
>>>>> [  600.489235]  [<ffffffff81042cc2>] ? default_wake_function+0x0/0x9
>>>>> [  600.489239]  [<ffffffffa016f33c>] ? sr_block_ioctl+0x49/0x85
>>>>> [sr_mod] [  600.489242]  [<ffffffff81176738>] ?
>>>>> __blkdev_driver_ioctl+0x7c/0xa4 [  600.489245]  [<ffffffff81177005>]
>>>>> ? blkdev_ioctl+0x880/0x8d3 [  600.489247]  [<ffffffff812ed0d9>] ?
>>>>> schedule+0x7f6/0x875
>>>>> [  600.489250]  [<ffffffff810e9b69>] ? do_sync_write+0xab/0xed
>>>>> [  600.489254]  [<ffffffff8110c8d5>] ? block_ioctl+0x38/0x3c
>>>>> [  600.489257]  [<ffffffff810f5923>] ? vfs_ioctl+0x21/0x92
>>>>> [  600.489259]  [<ffffffff810f5e9f>] ? do_vfs_ioctl+0x495/0x4d3
>>>>> [  600.489262]  [<ffffffff810ea4b5>] ? vfs_write+0xcd/0x102
>>>>> [  600.489264]  [<ffffffff810f5f2e>] ? sys_ioctl+0x51/0x70
>>>>> [  600.489267]  [<ffffffff81008ac2>] ? system_call_fastpath+0x16/0x1b
>>>>> [  640.816056] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action
>>>>> 0x6 frozen [  640.816061] sr 1:0:0:0: [sr0] CDB: Synchronize
>>>>> Cache(10): 35 00 00 00 00 00 00 00 00 00 [  640.816070] ata2.00: cmd
>>>>> a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 [  640.816071]          res
>>>>> 40/00:03:00:00:f8/00:00:00:00:00/a0 Emask 0x4 (timeout) [
>>>>> 640.816073] ata2.00: status: { DRDY }
>>>>> [  640.816078] ata2: hard resetting link
>>>>> [  641.137050] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
>>>>> [  641.141821] ata2.00: ACPI cmd ef/10:06:00:00:00:a0 (SET FEATURES)
>>>>> succeeded [  641.141824] ata2.00: ACPI cmd ef/10:03:00:00:00:a0 (SET
>>>>> FEATURES) filtered out [  641.151672] ata2.00: ACPI cmd
>>>>> ef/10:06:00:00:00:a0 (SET FEATURES) succeeded [  641.151675] ata2.00:
>>>>> ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out [
>>>>> 641.155383] ata2.00: configured for UDMA/133
>>>>> [  641.160639] ata2: EH complete
>>>>>
>>>>> What can I do to fix this problem?
>>>>>
>>>>> The machine is a Lenovo SL500 laptop, w 2.53ghz core2duo, 4G ram,
>>>>> kernel 2.6.33-2-amd64 from debian sid (also happens with 2.6.32-5
>>>>> from sid)
>>>>
>>>> You appear to have hit several problems here.  The initial IO error is
>>>> one.  The 440-second sulk is another.
>>>>
>>>> Does wodim _ever_ terminate, or is a reboot required after this has
>>>> happened?
>>>
>>> It eventually errors out, and claims it failed to "fixate" the disk.
>>> takes a couple minutes at least to do so.
>>>
>>>> Are you able to determine whether the hardware is OK?  Does it burn OK
>>>> with other versions of Linux, or other OS'es?
>>>
>>> It works fine normally. It seems it was some /strange/ iso files that I
>>> was burning. They apparently have invalid RockRidge extensions, which
>>> seems to confuse the heck out of wodim or the drive some how.
>>
>> The drive shouldn't care about the image contents, and neither should
>> wodim if it's just burning an ISO file. What's the image size? I think
>> that DVD-R has some restrictions on minimum burned radius on the disc,
>> and if you burn a very small image then the drive has to burn a bunch
>> more at the end to comply with that. It could be that this is why it's
>> taking so long, and maybe the timeout wodim is using on that command
>> doesn't account for that. DVD+R doesn't have that problem, I believe.
>>
>> In that case I don't think there's a kernel problem here, except for the
>> task blocked warning. Not sure what the best solution to that is, seeing
>> as the command is genuinely taking more than 2 minutes to complete..
>
> I've burned small images before without this happening.
> I've tested on two different machines, and the same thing happens
> with these specific ISOs on both.
>
> Just tried a different small iso, and I get the following errors:
>
> [313812.805048] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> [313812.805053] sr 1:0:0:0: [sr0] CDB: Synchronize Cache(10): 35 00 00 00 00 00 00 00 00 00
> [313812.805063] ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
> [313812.805064]          res 40/00:03:00:00:f8/00:00:00:00:00/a0 Emask 0x4 (timeout)
> [313812.805067] ata2.00: status: { DRDY }
> [313812.805072] ata2: hard resetting link
> [313813.125050] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> [313813.129685] ata2.00: ACPI cmd ef/10:06:00:00:00:a0 (SET FEATURES) succeeded
> [313813.129689] ata2.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> [313813.139531] ata2.00: ACPI cmd ef/10:06:00:00:00:a0 (SET FEATURES) succeeded
> [313813.139534] ata2.00: ACPI cmd ef/10:03:00:00:00:a0 (SET FEATURES) filtered out
> [313813.143436] ata2.00: configured for UDMA/133
> [313813.148831] ata2: EH complete
>
> wodim times out as well.
>
> I do not recall having these issues with older kernels.

Same wodim version? The commands (and ordering thereof) it is issuing 
could have an effect on this..
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