From: Brad Campbell <brad@wasp.net.au>
To: "J. Ryan Earl" <heretic@clanhk.org>
Cc: linux-ide@vger.kernel.org, RAID Linux <linux-raid@vger.kernel.org>
Subject: Re: libata and md issues with 2.9.1-rc1
Date: Wed, 25 Aug 2004 08:53:12 +0400 [thread overview]
Message-ID: <412C1B38.7090401@wasp.net.au> (raw)
In-Reply-To: <412BC1C4.2060506@clanhk.org>
J. Ryan Earl wrote:
> Brad Campbell wrote:
>
>> Just a heads up. I'm experiencing "issues" with 2.6.9-rc1 that don't
>> occur with 2.6.5.
>>
>> I run a 10 disk raid-5 on 3xPromise SATA150 cards and a 2 disk raid-0
>> on the on-board VIA chipset.
>> The 10 disks are Maxtor Maxline-II SATA drives and the raid-0 is a
>> pair of WD2000JB drives with
>> Addonics SATA->PATA converters.
>
>
> Did you try RAID-0 with the pair of Western Digital drives on the two
> free Promise slots? If that fails similarly, it might not be a libata
> issue.
I thought about it. Given the drives are giving write errors when I write to /dev/md1 and not giving
write errors when the raid is stopped and I write to the individual disks then it *must* be some
issue with the hardware drivers.
If the block layer can submit a block to the driver that causes the drive to error out, then it's
really a fault of the driver for trying to do something illegal.
Anyway, I have done a clone of the libata-2.6 bk tree and I'm trying to figure out how to extract
all the individual csets between 2.6.6 and 2.6.7-rc1 so I can back them out 1 by 1 and see what
caused the problem.
My other tack is to enable full SCSI debugging and compare the trace from 2.6.5 and 2.6.7-rc1 to see
what is different.
I will give your suggestion a try when I get home tonight and fire it up on the extra promise channels.
Can anyone point me to a dummys guide to regression testing with BK? I read a great one by the WINE
guys years ago on regression testing by date with CVS and it has proved immensely helpful over the
years.
Regards,
Brad
next prev parent reply other threads:[~2004-08-25 4:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-24 17:24 libata and md issues with 2.9.1-rc1 Brad Campbell
2004-08-24 17:40 ` Jeff Garzik
2004-08-24 17:50 ` Brad Campbell
2004-08-24 18:41 ` libata and md issues with 2.6.9-rc1 Brad Campbell
2004-08-24 22:31 ` libata and md issues with 2.9.1-rc1 J. Ryan Earl
2004-08-25 4:53 ` Brad Campbell [this message]
2004-08-26 10:30 ` Brad Campbell
2004-08-26 12:21 ` libata and md issues with 2.9.1-rc1 - id10t error Brad Campbell
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