On Sun, Oct 19, 2014 at 03:10:00PM +0300, mr...@linux.ee wrote:
> > > Christoph, I don't see how the new tagging code with blk-mq can
> > > be providing compatible behavior for existing SCSI drivers.
> >
> > It doesn't, and that's my fault.
> >
> > Please try the patch below:
>
> Seems to have w
> > Christoph, I don't see how the new tagging code with blk-mq can
> > be providing compatible behavior for existing SCSI drivers.
>
> It doesn't, and that's my fault.
>
> Please try the patch below:
Seems to have worked - the machine booted up with scsi blk mq enabled, I
just can not log in s
On Sat, Oct 18, 2014 at 01:31:32PM -0400, David Miller wrote:
>
> Christoph, I don't see how the new tagging code with blk-mq can
> be providing compatible behavior for existing SCSI drivers.
It doesn't, and that's my fault.
Please try the patch below:
diff --git a/Documentation/block/biodoc.tx
Christoph, I don't see how the new tagging code with blk-mq can
be providing compatible behavior for existing SCSI drivers.
Do you know that scsi_populate_tag_msg() is always going to provide a
tag? Unconditionally, every time, when using blk-mq?
This is because the test:
if (blk_rq_ta
From: mr...@linux.ee
Date: Thu, 16 Oct 2014 09:43:34 +0300 (EEST)
> [ 158.730919] ESP: tgt[6] lun[0] scsi_cmd [ 12 00 00 00 24 00 ]
> [ 158.799397] ESP: intr sreg[87] seqreg[00] sreg2[00] ireg[18]
Target 6 responds, Bus Service + Function Done interrupt.
Status register 1 indicates interrupt p
> >> Christoph, any idea on this? The command just times out, for some reason.
> >> Only thing I could think of was related to perhaps missing bouncing or
> >> similar, but I don't think that's the case. But the hba must not like the
> >> request somehow. Or perhaps it sets up the wrong number of s
From: Christoph Hellwig
Date: Wed, 15 Oct 2014 06:35:51 -0700
> On Tue, Oct 14, 2014 at 08:38:18AM -0600, Jens Axboe wrote:
>> Christoph, any idea on this? The command just times out, for some reason.
>> Only thing I could think of was related to perhaps missing bouncing or
>> similar, but I don'
On Tue, Oct 14, 2014 at 08:38:18AM -0600, Jens Axboe wrote:
> Christoph, any idea on this? The command just times out, for some reason.
> Only thing I could think of was related to perhaps missing bouncing or
> similar, but I don't think that's the case. But the hba must not like the
> request some
(resent with correct linux-scsi address)
On 2014-10-13 16:07, Meelis Roos wrote:
I turned on blk-mq for all my test machines today and got a failure from
Sun Ultra 1 with Sparc ESP SCSI (dmesg below). Booting with
scsi_mod.use_blk_mq=0 fixes the problem. The problem is reproducible.
[snip]
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