that´s what i did, not a linux raid list opnion/experience: i had some problems with hp server (the same model but G5) and new intel core i7 desktops with archlinux and kernel 2.6.37, try to get a older kernel version, just to make your production server stable maybe some changes between kernel 3.6.32 and 3.6.37 made md working worst, i will wait some changes at kernel, since realtime works are being developed and many modifications are in work using the same instalation process with archilnux using a dell (i don´t remember the model, but i bought it in january 2011) removed the problem (maybe a problem at hp sas interface/driver?! i didn´t tested hp with dell interface) 2011/3/28 Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>: > On 03/28/2011 05:59 PM, Tejun Heo wrote: >>> Call Trace: >>> [<c12dc808>] mutex_unlock+0x8/0x10 >>> [<c11c4451>] kobj_lookup+0xe1/0x140 >>> [<c11323b0>] ? exact_match+0x0/0x10 >>> [<c11331b8>] get_gendisk+0x98/0xb0 >>> [<c10e85aa>] __blkdev_get+0xca/0x320 >>> [<c10e8843>] blkdev_get+0x43/0x2c0 >>> [<c12de75d>] ? _raw_spin_unlock+0x1d/0x20 >>> [<c10e8b12>] blkdev_open+0x52/0x70 >>> [<c10bb12d>] __dentry_open+0x9d/0x240 >>> [<c10bb3c6>] nameidata_to_filp+0x66/0x80 >>> [<c10e8ac0>] ? blkdev_open+0x0/0x70 >>> [<c10c781f>] finish_open+0xaf/0x190 >>> [<c10c8a24>] ? do_path_lookup+0x44/0xe0 >>> [<c10c9920>] do_filp_open+0x210/0x6d0 >>> [<c10672e9>] ? lock_release_non_nested+0x59/0x2f0 >>> [<c12de75d>] ? _raw_spin_unlock+0x1d/0x20 >>> [<c10d47d8>] ? alloc_fd+0xb8/0xf0 >>> [<c10baf45>] do_sys_open+0x55/0xf0 >>> [<c10bb049>] sys_open+0x29/0x40 >>> [<c1002e9f>] sysenter_do_call+0x12/0x38 >> >> Hmmm... Weird. >> >> * blkid seems to be looping in blkdev_open() repeatedly calling >> md_open() which keeps returning -ERESTARTSYS. >> >> * It triggered softlockup. Even with -ERESTARTSYS looping, I can't >> see how that would be possible. >> >> Is this custom boot script? If so, do you use RT priority in the >> script? > > It's a normal dracut installation with an additional custom script > to trigger kernel raid auto detection via mdadm. > The custom script was part of the initial post. > > I've also noticed another odd thing: On a HP Proliant ML110 G6 box, > which is quite fast / SMP, the box brings up the software > RAID successfully. The box is slow as hell and I can see a constant load > on a kernel process (could be "kworker", don't remember it exactly). > I'll try tomorrow if that is also related to the RAID subsystem > or something else turning it into a PDP11... > > Thanks for your help so far! > > Cheers, > Thomas > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Roberto Spadim Spadim Technology / SPAEmpresarial -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html