From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Date: Thu, 19 Apr 2007 07:41:39 +0000 Subject: Re: [TESTERS NEEDED]: Rewritten ESP driver Message-Id: <20070419.004139.58454642.davem@davemloft.net> List-Id: References: <20070412.233350.41640545.davem@davemloft.net> In-Reply-To: <20070412.233350.41640545.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org From: Pasi Pirhonen Date: Sun, 15 Apr 2007 12:45:27 +0300 > >From dmesg the difference seems to be that when i did fail, i did have > two same type disk that both did claim to be > > sda: Mode Sense: cf 00 10 08 > SCSI device sda: write cache: disabled, read cache: enabled, supports DPO and FUA > SCSI device sda: 71132959 512-byte hdwr sectors (36420 MB) > sda: Write Protect is off > sda: Mode Sense: cf 00 10 08 > SCSI device sda: write cache: disabled, read cache: enabled, supports DPO and FUA > > and now, when i do have different disk as /dev/sdb that gets detected as > > sdb: Mode Sense: fb 00 00 08 > SCSI device sdb: write cache: disabled, read cache: enabled, doesn't support DPO or FUA > SCSI device sdb: 71132959 512-byte hdwr sectors (36420 MB) > sdb: Write Protect is off > sdb: Mode Sense: fb 00 00 08 > SCSI device sdb: write cache: disabled, read cache: enabled, doesn't support DPO or FUA > > > ... if that is clue for reason at all. The two disks are identical except for MODE_SENSE settings printed here and those are just some timeout parameters and such. The current driver should not hit the problems you saw. I plan to post in-full the current driver as a patch in a few moments, if you could retest this case with it, I'd really appreciate it. Thanks!