linux-kernel - Re: BUG: warning at drivers/scsi/ahci.c:859/ahci_host

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Message-ID: <457A806F.5000508@garzik.org>
Date:	Sat, 09 Dec 2006 04:22:55 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Olivier Galibert <galibert@...ox.com>,
	Alan <alan@...rguk.ukuu.org.uk>, koan <koan00@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: BUG: warning at drivers/scsi/ahci.c:859/ahci_host_intr() [ 2.6.17.14
 ]

Olivier Galibert wrote:
> On Sat, Dec 09, 2006 at 01:18:30AM +0000, Alan wrote:
>> On Fri, 8 Dec 2006 20:05:07 -0500
>> koan <koan00@...il.com> wrote:
>>
>>> ata4: status=0x50 { DriveReady SeekComplete }
>>> ata4: error=0x01 { AddrMarkNotFound }
>> That looks like a genuine drive problem.
> 
> Is a disk driver supposed to BUG() on a drive missing sector though?

No, which is why the upstream driver doesn't contain any BUG_ON() or 
WARN_ON() calls anymore...  Usually those messages signal incomplete 
areas of the driver.


	Jeff



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