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Date: Sat, 26 Sep 2009 21:34:13 -0600 From: Thomas Fjellstrom <tfjellstrom@...w.ca> To: linux-kernel@...r.kernel.org Cc: linux-raid@...r.kernel.org, "linux-scsi" <linux-scsi@...r.kernel.org> Subject: Re: mdraid causing mvsas to lockup? On Mon September 21 2009, Thomas Fjellstrom wrote: > On Fri September 18 2009, Thomas Fjellstrom wrote: > > On Fri September 18 2009, Thomas Fjellstrom wrote: > > > On Thu September 17 2009, Thomas Fjellstrom wrote: > > > > On Thu September 17 2009, Kristleifur Daðason wrote: > > > > > On Thu, Sep 17, 2009 at 11:02 PM, Thomas Fjellstrom > > > > > <tfjellstrom@...w.ca> > > > > > > > > wrote: > > > > > > On Thu September 17 2009, John Bridges wrote: > > > > > >> I'm a fan of the SuperMicro AOC-SAT2-MV8, great card. > > > > > >> http://www.supermicro.com/products/accessories/addon/AOC-SAT2-MV > > > > > >>8. cf m > > > > > >> > > > > > >> It's an 8 port PCI-X card, works in both PCI and PCI-X slots. > > > > > >> > > > > > >> SATA2 > > > > > >> > > > > > >> Drivers for Linux are stable, built in. > > > > > > > > > > > > Have you had any experience with the AOC-SASLP-MV8? I've got one > > > > > > and have been having no end of issues with it under linux. > > > > > > > > > > > > -- > > > > > > Thomas Fjellstrom > > > > > > tfjellstrom@...w.ca > > > > > > -- > > > > > > > > > > I have, > > > > > > > > > > or rather, I've tried to get an AOC-SASLP-MV8 card going. I think I > > > > > can safely say that at least Linux kernel 2.6.31 is a requirement. > > > > > The card was basically useless with everything up to 2.6.30, then I > > > > > tried 2.6.31-rc5 on a whim and it kicked in. Built-in driver > > > > > support, that is. However it wasn't stable, it dropped disks when > > > > > syncing a large array. I've been meaning to test on 2.6.31 final, > > > > > and am pretty optimistic. > > > > > > > > Yeah, the driver didn't appear till .30. I have 2.6.31-git4 installed > > > > right now, and no matter what I do, the controller starts spewing > > > > errors: > > > > > > > > [ 1455.698186] drivers/scsi/mvsas/mv_sas.c 1669:mvs_abort_task:rc= 5 > > > > [ 1455.698196] drivers/scsi/mvsas/mv_sas.c 1608:mvs_query_task:rc= 5 > > > > ... > > > > [ 1424.708085] end_request: I/O error, dev sdh, sector 3072 > > > > [ 1424.708106] sd 0:0:3:0: [sdh] Unhandled error code > > > > [ 1424.708111] sd 0:0:3:0: [sdh] Result: hostbyte=DID_OK > > > > driverbyte=DRIVER_TIMEOUT > > > > [ 1424.708118] sd 0:0:3:0: [sdh] CDB: Read(10): 28 00 00 00 08 00 00 > > > > 04 00 00 > > > > > > > > And thats with perfectly good disks, and with smartd/hddtemp disabled > > > > (they were causing one of my disks to barf). > > > > > > > > All I have to do is start a read from any disk, and after a few > > > > minutes, the card starts erroring out, and then dies. > > > > > > > > It actually seems like it got more unstable from .30 to .31. > > > > > > > > I've been trying to get some help with it on the lkml/ide/scsi lists > > > > for a while now, one person has tried to help, but thats about it. > > > > > > Very strange. I've found that reading from all 4 drives currently > > > connected to the controller at once, works. I have 4 dd commands, one > > > reading off each drive, and so far no errors, the dd commands aren't > > > locking up, and they are going full speed (120MB/s per drive). > > > > > > If however I attempt to bring up the md raid0 array ontop of these > > > disks, the controller locks up, and all of the disks become > > > inaccessible. > > > > > > Maybe it has something to do with it, but just as the system is > > > booting, I get the following, maybe related, maybe not: > > > > > > ata_id[5183]: HDIO_GET_IDENTITY failed for '/dev/block/8:96' > > > ata_id[5188]: HDIO_GET_IDENTITY failed for '/dev/block/8:112' > > > ata_id[5184]: HDIO_GET_IDENTITY failed for '/dev/block/8:80' > > > > > > (those map to sdg, sdh, and sdf in that order, no report for sde, the > > > first disk in the controller) > > > > So I've let the controller and disks sit all day after finishing a full > > read test (dd if=/dev/sd[efgh] of=/dev/null bs=8M) with all four 1TB > > drives going at the same time, and I've had no errors at all. All four > > dd commands finished without error, and went at full speed. > > > > If I attempt to activate an md raid0 array ontop of any disks on this > > controller the controller starts having a fit, and all disks are > > inaccessible till a hard reset (the machine won't fully reboot, or turn > > off, as the "flushing scsi cache" or "shutting down LVM" steps will hang > > waiting on drives on the wedged controller. > > > > I would really like to get this fixed, if there's anything more I can do > > to help narrow down the problem further, I'll do my best. > > Does anyone have a clue what might be wrong? Something I could check into? > I have a couple system migrations to do, and this is blocking that. (my > old array has been making "click" noises for a year now, and I'm afraid > it'll die at any time) > After trying to get an array up on this card, it locked up again. (the array that is:) [ 1762.705866] sd 0:0:0:0: [sdc] Unhandled error code [ 1762.705873] sd 0:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [ 1762.705882] sd 0:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 01 77 00 02 c8 00 [ 1947.698246] sd 0:0:0:0: [sdc] Unhandled error code [ 1947.698268] sd 0:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [ 1947.698277] sd 0:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 02 3f 00 00 08 00 [ 1947.698308] __ratelimit: 79 callbacks suppressed [13470.701276] sd 0:0:0:0: [sdc] Unhandled error code [13470.701283] sd 0:0:0:0: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [13470.701292] sd 0:0:0:0: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 20 00 [13470.701381] sd 0:0:1:0: [sdd] Unhandled error code [13470.701385] sd 0:0:1:0: [sdd] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [13470.701393] sd 0:0:1:0: [sdd] CDB: Read(10): 28 00 00 00 00 00 00 00 20 00 [13470.701458] sd 0:0:2:0: [sde] Unhandled error code [13470.701463] sd 0:0:2:0: [sde] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [13470.701470] sd 0:0:2:0: [sde] CDB: Read(10): 28 00 00 00 00 00 00 00 20 00 [13470.701523] sd 0:0:3:0: [sdf] Unhandled error code [13470.701527] sd 0:0:3:0: [sdf] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [13470.701535] sd 0:0:3:0: [sdf] CDB: Read(10): 28 00 00 00 00 00 00 00 20 00 then as the fan in my hot swap bay is failing, I decided to remove the drives to get the unit to stop the fan. Then the entire system locked up hard, keyboard LEDs blinking and everything. -- Thomas Fjellstrom tfjellstrom@...w.ca -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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