[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <9738BCBE884FDB42801FAD8A7769C26501B2CAB8@NAMAIL1.ad.lsil.com>
Date: Fri, 21 Sep 2007 17:05:51 -0600
From: "Bagalkote, Sreenivas" <Sreenivas.Bagalkote@....com>
To: "Chuck Ebbert" <cebbert@...hat.com>,
"linux-scsi" <linux-scsi@...r.kernel.org>
Cc: "linux-kernel" <linux-kernel@...r.kernel.org>,
"DL-MegaRAID Linux" <megaraidlinux@....com>,
<djabbour@...ronis.com>
Subject: RE: Megaraid driver not detecting RAID volumes in kernel 2.6.22?
>
> https://bugzilla.redhat.com/show_bug.cgi?id=288421
>
> When running Fedora on a Dell 2950 w/ integrated LSI Perc5i
(megaraid), the
> system will not boot after upgrading to 2.6.22. The boot message
indicates the
> system is somehow seeing through RAID, cannot access logical volume.
This
> causes the root device to be unavailable and the kernel to panic.
>
> Version-Release number of selected component (if applicable):
> I experience this problem with kernel 2.6.22 and higher. I do not
believe it is
> isolated to FC6, as I downloaded the stock 2.6.22 kernel from
kernel.org and was
> able to reproduce.
>
> How reproducible:
> Every time.
>
> Steps to Reproduce:
> 1. Configure RAID10 (I've also tried RAID5) on a Perc5i in this
system.
>
> 2. Load Fedora Core. The installer works fine since the kernel
version it uses
> has a working LSI driver.
>
> 3. Upgrade to 2.6.22 kernel image (in yum) or download kernel.org
sources,
> compile, and install.
>
> 4. Reboot system. It comes up unable to boot. The kernel panics.
>
> Actual results:
> As the system boots, it cannot mount the root device. Also in the
output we see
> all 6 disks separately, when they should be showing up as one logical
volume.
Could a standard MPT driver (non-RAID) be loading on this controller?
During the reboot, can you see megaraid driver loading at all? Or do you
see mpt_scsi driver?
Before upgrading, can you blacklist this controller in pci hotplug? I
see shpchp on your screenshot.
Sreenivas
-
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/
Powered by blists - more mailing lists