Re: [Xen-users] SATA drives will not start under xen

[Chris <cjdl01@xxxxxxxxxxxxxxxxxx>]

Quoting Mike Lovell <mike@xxxxxxxxxxxx>:

> On 7/18/2009 6:57 PM, Chris wrote:
> > Hello.
> >
> > I am having a peculiar problem.  I am running a dual amd64 system   
> > on a Tyan Tomcat h1000s S3950 motherboard with 4 Gigs of ram and   
> > two SATA 3.0 g/s seagate drives (in RAID 1 configuration using   
> > LVM2).  I am using Gentoo Linux, current as of today.
> > When I boot the system, everything looks good until it starts the   
> > drives, then the system chokes and spits out a bunch of errors like  
> >  these:
> > --------------------
> >
> > ACPI: PCI Interrupt 0000:01:0e.0[A] -> GSI 11 (level, low) -> IRQ 11
> > ata1: SATA max UDMA/133 cmd 0xffffc2000002c000 ctl   
> > 0xffffc2000002c020 bmdma 0xffffc2000002c031
> > ata2: SATA max UDMA/133 cmd 0xffffc2000002c100 ctl   
> > 0xffffc2000002c120 bmdma 0xffffc2000002c131
> > ata3: SATA max UDMA/133 cmd 0xffffc2000002c200 ctl   
> > 0xffffc2000002c220 bmdma 0xffffc2000002c231
> > ata4: SATA max UDMA/133 cmd 0xffffc2000002c300 ctl   
> > 0xffffc2000002c320 bmdma 0xffffc2000002c331
> > scsi0: sata_svw
> > ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> > ata1.00: ATA-7: ST3250410AS, 3.AAC, max UDMA/133
> > ata1.00: 488397168 sectors, multi 16: LBA48 NCQ (depth 0/32)
> > ata1.00: qc timeout (cmd0xef)
> > ata1.00: failed to set xfermode (err_mask=0x4)
> > ata1: failed to recover some devices retrying in 5 secs
> > (starts over with SATA link up 1.5 gbps...)
> > ------------------------------------------
> > Eventually the system gives up (after struggling for like 10   
> > minutes) and locks up hard.
> > I found that if I disabled APIC in the BIOS, it will boot -- but as  
> >  soon as I try to start the network, the logs fill with more of the  
> >  same junk, and the system locks up hard.
> > I installed a regular gentoo kernel, and used the exact same config  
> >  file -- the system boots just fine.  No problems what-so-ever.   
> > So,  this is definitely a Xen thing...
> > Anything I can do to fix this?
> >
> > btw: using kernel version 2.6.21-xen -- the most recent kernel in   
> > portage -- and xen 3.4.0
> Do you get these same errors on an non-xenified kernel? Also, do the
> errors always contains errors complaining about ata1 or scsi0? If this
> is the case, then the first disk on the controller is bad and probably
> should be replaced. These errors are usually the driver detecting a
> problem disk and trying to handle the errors. Hope that answers your
> question.
>
> mike
As I stated, I have installed a regular gentoo kernel with the same  
exact .config file, and I do NOT have these problems.  Only with Xen.   
The controller is fine...  Gotta be a Xen issue.  It stinks of an IRQ  
or some similar conflict to me...
Any other ideas?

Thanks.



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