Date: Fri, 4 Jun 2004 13:32:26 +0200
From: Jens Axboe <axboe@suse.de>
To: Ed Tomlinson <edt@aei.ca>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>
Subject: Re: ide errors in 7-rc1-mm1 and later
Message-ID: <20040604113226.GU1946@suse.de>
References: <1085689455.7831.8.camel@localhost> <20040603193107.54308dc9.akpm@osdl.org> <20040604094256.GM1946@suse.de> <200406040722.14026.edt@aei.ca>
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On Fri, Jun 04 2004, Ed Tomlinson wrote:
> On June 4, 2004 05:42 am, Jens Axboe wrote:
> > On Thu, Jun 03 2004, Andrew Morton wrote:
> > > Ed Tomlinson <edt@aei.ca> wrote:
> > > >
> > > > Hi,
> > > > 
> > > > I am still getting these ide errors with 7-rc2-mm2.  I  get the errors even
> > > > if I mount with barrier=0 (or just defaults).  It would seem that something is 
> > > > sending my drive commands it does not understand...  
> > > > 
> > > > May 27 18:18:05 bert kernel: hda: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
> > > > May 27 18:18:05 bert kernel: hda: drive_cmd: error=0x04 { DriveStatusError }
> > > > 
> > > > How can we find out what is wrong?
> > > > 
> > > > This does not seem to be an error that corrupts the fs, it just slows things 
> > > > down when it hits a group of these.  Note that they keep poping up - they
> > > > do stop (I still get them hours after booting).
> > > 
> > > Jens, do we still have the command bytes available when this error hits?
> > 
> > It's not trivial, here's a hack that should dump the offending opcode
> > though.
> 
> Hi Jens,
> 
> I applied the patch below and booted into the new kernel (the boot
> message showed the new compile time).  The error messages remained the
> same - no extra info.  Is there another place that prints this (or
> (!rq) is true)?

!rq should not be true, strange... are you sure it just doesn't to go
/var/log/messages, it should be there in dmesg. Alternatively, add a
KERN_ERR to that printk.

-- 
Jens Axboe

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