> > 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-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
