On Wed, Feb 02, 2011 at 11:43:29PM +0100, Jordan Pittier wrote:
> Hi,
> Finally I managed to compile the driver LSI MPT Fusion 4.22. I took the
> source from kernel 2.6.34 shipped with SLES. Then I slightly changed the
> driver sources to "backport" it on a debian 2.6.32.
> Now my servers seem 100% stable, so I am verry happy :) Thanks for your
> big hint toward a possible depreciated driver.
>
Good to hear it helped!
-- Pasi
> Jordan
>
> On Sat, Jan 29, 2011 at 7:49 PM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
>
> On Sat, Jan 29, 2011 at 07:32:31PM +0100, Jordan Pittier wrote:
> > >Xen dom0 kernel does irq handling through Xen hypervisor,
> > >so that might make some drivers behave in a different way
> baremetal vs.
> > dom0.
> > Ok, so the driver is a good "responsible" for this SCSI crazyness.
>
> I'm not sure if it is, but it *could* be.
>
> > >What driver version does the squeeze kernel have?
> > 3.04. Which seems to be several years old. There is lot of users
> > complaining about LSI drivers all over the Internet.*
> > I will keep you posted as soon as I manage to build the latest
> driver.
>
> See here for tips how to build updated megaraid_sas driver:
>
> [2]http://lists.xensource.com/archives/html/xen-devel/2010-11/msg00250.html
>
> Maybe it helps also with your driver.
>
> -- Pasi
> > On Sat, Jan 29, 2011 at 7:25 PM, Pasi K*rkk*inen
> <[1][3]pasik@xxxxxx> wrote:
> > > On Sat, Jan 29, 2011 at 07:03:16PM +0100, Jordan Pittier wrote:
> > >> Thanks for your reply. LSI has indeed newer driver for the
> controler;
> > >> but I can't "build" it, there's an error when I try to compile
> it [see
> > >> attachement]. I will give another try in the next days.
> > >>
> > >> What is puzzling is that the IO errors only occurs with Xen HV.
> I am
> > >> 100% willing to accept that the problem is the drivers, but how
> come
> > >> the exact same kernel (the xenified one) could work fine without
> Xen
> > >> loaded ? I am almost a noob in kernel/driver and stuff; but I
> thought
> > >> the drivers were entirely in the kernel.
> > >>
> > >
> > > Yep, the driver is entirely in the kernel, but that's not the
> whole
> > story.
> > >
> > > Xen dom0 kernel does irq handling through Xen hypervisor,
> > > so that might make some drivers behave in a different way
> baremetal vs.
> > dom0.
> > >
> > > Also remember dom0 is a *vm*, so some timing stuff might happen
> > > differently on baremetal vs. dom0.
> > >
> > >> I will try with the latest kernel in a few days.
> > >>
> > >> SLES11SP1 ships mptfusion 4.22
> > >>
> >
>
> ([2][4]http://www.novell.com/linux/releasenotes/x86_64/SUSE-SLES/11-SP1/#driver-updates-storage)
> > >> I dont know for RHEL
> > >>
> > >
> > > What driver version does the squeeze kernel have?
> > >
> > >
> > > -- Pasi
> > >
> > >
> > >> On Sat, Jan 29, 2011 at 6:02 PM, Pasi K*rkk*inen
> <[3][5]pasik@xxxxxx>
> > wrote:
> > >> > On Sat, Jan 29, 2011 at 04:27:25PM +0100, Jordan Pittier
> wrote:
> > >> >> * *Hi,
> > >> >> * *I have been tracking a bug affecting all my servers
> running
> > Debian Squeeze
> > >> >> * *for more than a month now, and I*desperately*need your
> help :)*
> > >> >> * *I have 10 Sun v20z servers (2*66GB SCSI disk in RAID 1 ==
> > mirror). 4 of
> > >> >> * *them are running Debian Squeeze with the latest Xen Debian
> kernel
> > >> >> * *(2.6.32-5-xen-amd64 ==*2.6.32-29). The rest are running
> Debian
> > Lenny
> > >> >> * *(2.6.26-2-xen-amd64 ==*2.6.26-26lenny1).
> > >> >> * *On a Squeeze boxe, under very high IO (such as running a
> IO
> > stress test,
> > >> >> * *ie bonnie++), server starts behaving*weirdly and I see
> messages
> > like these
> > >> >> * *in kernel.log : [see attachement]. Then the server becomes
> > totally
> > >> >> * *unresponsive (but doesn't "freeze") and commands such as
> "ls" or
> > "reboot"
> > >> >> * *don't work anymore. I have to do an hard reboot. After the
> server
> > has
> > >> >> * *reboot, the RAID array seems degraded (I am using the
> mpt-status
> > command)
> > >> >> * *and starts rebuilding. After several hours, the raid array
> is
> > "fine"
> > >> >> * *("clean"). The raid controler is "LSI53C1030" U320, with
> driver
> > "Fusion
> > >> >> * *MPT SPI Host driver 3.04.06". I have attached the result
> of
> > "lsmod".
> > >> >> * *None of my Lenny boxes are affected by this issue, all of
> my
> > Squeeze boxes
> > >> >> * *are.
> > >> >> * *What does it have to do with Xen ? When I boot my Squeeze
> boxes
> > without
> > >> >> * *the Xen hypervisor but the same Xen kernel, bonnie++
> > runs*absolutely*fine.
> > >> >> * *The issue appears only with the Xen hypervisor loaded.*
> > >> >> * *There is a debian bug report for this
> > >> >> *
> *:*[1][4][6]http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=603727
> > >> >> * *Any suggestion ?*
> > >> >
> > >> > Did you check if LSI has newer driver version available?
> > >> >
> > >> > Also you might check which driver version for example RHEL6
> > >> > or SLES11SP1 ships with.. both of those distros have 2.6.32
> kernels
> > too.
> > >> >
> > >> > On one of my testboxes I need to upgrade the LSI driver
> > >> > to a newer version to make it work. This is SAS based LSI
> though.
> > >> >
> > >> > Can you try using another disk controller?
> > >> >
> > >> > Also: Did you try using the latest kernel (-30) ?
> > >> >
> > >> > -- Pasi
> > >> >
> > >> >
> > >
> >
> > References
> >
> > Visible links
> > 1. mailto:[7]pasik@xxxxxx
> > 2.
>
> [8]http://www.novell.com/linux/releasenotes/x86_64/SUSE-SLES/11-SP1/#driver-updates-storage
> > 3. mailto:[9]pasik@xxxxxx
> > 4. [10]http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=603727
>
> References
>
> Visible links
> 1. mailto:pasik@xxxxxx
> 2. http://lists.xensource.com/archives/html/xen-devel/2010-11/msg00250.html
> 3. mailto:pasik@xxxxxx
> 4.
> http://www.novell.com/linux/releasenotes/x86_64/SUSE-SLES/11-SP1/#driver-updates-storage
> 5. mailto:pasik@xxxxxx
> 6. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=603727
> 7. mailto:pasik@xxxxxx
> 8.
> http://www.novell.com/linux/releasenotes/x86_64/SUSE-SLES/11-SP1/#driver-updates-storage
> 9. mailto:pasik@xxxxxx
> 10. http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=603727
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