From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Kuzminsky Subject: Re: hangs with 2.6.15-rc5 Date: Wed, 21 Dec 2005 22:10:21 -0700 Message-ID: References: <200512211710.jBLHAh2T027517@cichlid.com> Return-path: In-reply-to: <200512211710.jBLHAh2T027517@cichlid.com> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Andrew Burgess wrote: > >I'm seeing hard system lockups with 2.6.15-rc5 when trying to use a > >RAID-6 array as a PV for LVM2. > > >I've got four SATA disks hanging off a Marvell 6081 controller. The disks > >work great when I access them "raw" (without going through md or dm). > >Nice & fast & reliable. The disks work great when used "raw" as PVs > >for an LVM2 setup. And they work great when used in a RAID-6 array. > > I've been unable to use either 2.6.14 or 2.6.15 due to bogus scsi errors, not > exactly what you see but you might try 2.6.13.4 which works flawlessly for me, > LVM using raid6 PV's, some of the raid6 devices use some raid1 components. Are you using a Marvell controller? Do you have MSI enabled by any chance? I had to disable MSI to get it to communicate reliably. -- Sebastian Kuzminsky