From: James Bottomley <James.Bottomley@SteelEye.com>
To: "Moore, Eric" <Eric.Moore@lsi.com>
Cc: linux-scsi@vger.kernel.org, Doug Chapman <doug.chapman@hp.com>
Subject: RE: [PATCH] fix for BZ 8426 - massive slowdown on SCSI CD/DVDdriveconnected to mptspi driver
Date: Thu, 31 May 2007 11:14:11 -0500 [thread overview]
Message-ID: <1180628051.3743.34.camel@mulgrave.il.steeleye.com> (raw)
In-Reply-To: <664A4EBB07F29743873A87CF62C26D707881DB@NAMAIL4.ad.lsil.com>
On Thu, 2007-05-31 at 09:40 -0600, Moore, Eric wrote:
> James - I obtained a log from Doug (attached), and the firmware is
> returning BUSY, so your correct. That will end up as a ADD_TO_MLQUEUE
> disposition. Does the mid-layer throttle back the queue when a device
> returns busy, I don't know? I still believe that the lld shouldn't
> report that a device supports tagged when it really doesn't. I hope
> you will consider this patch, if not, let me know how to proceed.
Sorry, yes ... I should have said that the patch is correct and I'll put
it in 2.6.22
However, since we have such a wonderful example of the failing case, I'd
like to try to correct the root cause, if I may. Doug, would you be
amenable to testing out a few patches for me?
James
prev parent reply other threads:[~2007-05-31 16:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-07 19:59 [PATCH] fix for BZ 8426 - massive slowdown on SCSI CD/DVD drive connected to mptspi driver Doug Chapman
2007-05-10 13:30 ` Doug Chapman
2007-05-22 20:25 ` Doug Chapman
2007-05-22 21:27 ` James Bottomley
2007-05-29 21:40 ` [PATCH] fix for BZ 8426 - massive slowdown on SCSI CD/DVDdrive " Moore, Eric
2007-05-29 22:02 ` James Bottomley
2007-05-29 22:46 ` [PATCH] fix for BZ 8426 - massive slowdown on SCSI CD/DVDdriveconnected " Moore, Eric
2007-05-31 15:40 ` Moore, Eric
2007-05-31 16:14 ` James Bottomley [this message]
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