Public bug reported:
I've installed Ubuntu 8.10 on a Sun Fire X4540
(http://www.sun.com/servers/x64/x4540/). This server has 6 (six!) LSI
SAS controllers installed. When i boot with Kernel 2.6.27-5-server all
devices show up correctly (altough this takes some time) and the mdadm
RAIDs show up correctly too.
If I try booting with the Kernel 2.6.27-6-server or even 2.6.27-7-server
only two of the devices won't come up:
scsi 2:0:7:0: rejecting I/O to dead device
scsi 3:0:0:0: rejecting I/O to dead device
It's always this two devices (with both kernels mentioned above) not
coming up . So the RAID doesn't get started correctly.
I've checked this two disks's S.M.A.R.T. data and they're perfectly
clean and working (they're brand new on top of that). As said, with
kernel 2.6.27-5-server all devices work as expected.
As I experienced CPU soft lockups during heavy load on the disks using
kernel 2.6.27-5-server, I've tried to boot with the newer ones. Should I
file a bug for this (the soft lockups) too, or is it possible, this
"behaviour" is based on the same problem here? Maybe the mptsas driver
has a problem?
I already STFW if anyone else has experienced similar problems, but i
didn't find anything. The problem here is that not everyone's got a
X4540 in their flats and is using Solaris anyway with this product. But
since Solaris doesn't know XFS (the filesystem) it isn't an option.
I'm open to give the Ubuntu development team root access to this machine
to figure out what the problem is, if this would be helpful.
Here are the details:
1) Ubuntu Release:
[EMAIL PROTECTED]:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu intrepid (development branch)
Release: 8.10
Codename: intrepid
2) Version of the package?
[EMAIL PROTECTED]:~# apt-cache policy linux
linux:
Installed: (none)
Candidate: 2.6.27.7.8
Version table:
2.6.27.7.8 0
500 http://ch.archive.ubuntu.com intrepid/restricted Packages
3) Hardware Info
(attached)
** Affects: ubuntu
Importance: Undecided
Status: New
--
"rejecting I/O to dead device" on mptsas (but the device works perfectly)
https://bugs.launchpad.net/bugs/282202
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