Messages in this thread |  | | | Date | Thu, 19 Jan 2006 12:35:40 +0100 | | From | Bartlomiej Zolnierkiewicz <> | | Subject | Re: sata_mv important note |
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On 1/17/06, Sebastian Kuzminsky <seb@highlab.com> wrote: > Arkadiusz Miskiewicz <arekm@pld-linux.org> wrote: > > On Tuesday 17 January 2006 17:24, Sebastian Kuzminsky wrote: > > > Jeff Garzik <jgarzik@pobox.com> wrote: > > > > For sata_mv users, you should be aware of three things: > > > > > > > > 1) The Marvell driver is experimental, and not yet considered ready for > > > > production use. As Kconfig notes: HIGHLY EXPERIMENTAL. > > > > > > Right, understood. > > > > I'm using: > > > > 03:03.0 SCSI storage controller: Marvell Technology Group Ltd. MV88SX6041=20 > > 4-port SATA II PCI-X Controller (rev 07) > > > > but with http://www.keffective.com/mvsata/FC3/mvSata-3.4.2a-patched.tbz driver > > and it works nicely (+ 2.8GHz Xeon HT, smp kernel). I was quite suprised to > > see that there are no problems with it in typical usage (while I'm sure that > > this driver is far away from kernel standards). > > I'm using: > > 0000:02:01.0 IDE interface: Marvell Technology Group Ltd. MV88SX6081 8-port SATA II PCI-X Controller (rev 09) > > I'm running the stock 2.6.15 kernel & the in-kernel driver. I have four > disks on this controller. The controller and disks seem perfectly stable, > I've been running four parallel "badblocks -n" processes (one on each > disk) for almost 5 days now. Using the disks as PVs in LVM works fine, > and building a RAID-6 out of them also works fine. > > But when I build a RAID-6 out of them, and use the array as a PV > for LVM, the system locks up within seconds (no errors, no sysrq, > no CapsLock-blinky, no network-pingy). This behavior is perfectly > repeatable.
Have you tried using "nmi_watchdog=1" kernel parameter?
> The problem goes away and everything works if I turn on all the debugging > options in the kernel config (but I dont get any debug output from > the kernel).
Could you find the specific option which makes the hang go away?
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