Re: [Xen-devel] Re: pv_ops dom0 USB fixed

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Dec 12, 2008 at 09:12:03AM +0000, Andrew Lyon wrote:
> On Thu, Dec 11, 2008 at 10:27 PM, Todd Deshane <deshantm@xxxxxxxxx> wrote:
> > On Thu, Dec 11, 2008 at 5:24 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> 
> > wrote:
> >> Todd Deshane wrote:
> >>>
> >>> Just pulled the latest and re-compiled.
> 
> I did the same at exactly 09:00 12/12/2008 GMT, compiled a new kernel
> and tried it on my Optiplex 755 test system, I disabled MSI in the
> kernel config and added pci=nomsi to be absolutely sure, it fails to
> boot because the HD is not detected:
>

<snip>
 
> 
> Driver 'sd' needs updating - please use bus_type methods
> Driver 'sr' needs updating - please use bus_type methods

I wonder if these are related.. ?

> ahci 0000:00:1f.2: PCI INT C -> GSI 18 (level, low) -> IRQ 31
> xen: PCI device 0000:00:1f.2 pin 3 -> irq 31
> ahci 0000:00:1f.2: AHCI 0001.0200 32 slots 6 ports 3 Gbps 0x27 impl SATA mode
> ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pmp pio slum part ems
> scsi0 : ahci
> scsi1 : ahci
> scsi2 : ahci
> scsi3 : ahci
> scsi4 : ahci
> scsi5 : ahci
> ata1: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970100 irq 31
> ata2: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970180 irq 31
> ata3: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970200 irq 31
> ata4: DUMMY
> ata5: DUMMY
> ata6: SATA max UDMA/133 abar m2048@0xff970000 port 0xff970380 irq 31
> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> ata1.00: qc timeout (cmd 0xec)
> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> ata1.00: qc timeout (cmd 0xec)
> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> ata1.00: qc timeout (cmd 0xec)
> ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
> ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
> ata2.00: ATAPI: HL-DT-ST DVD+/-RW GSA-H73N, B103, max UDMA/100
> ata2.00: configured for UDMA/100
> ata3: SATA link down (SStatus 4 SControl 300)
> ata6: SATA link down (SStatus 4 SControl 300)
> scsi 1:0:0:0: CD-ROM            HL-DT-ST DVD+-RW GSA-H73N B103 PQ: 0 ANSI: 5
> sr0: scsi3-mmc drive: 48x/48x writer cd/rw xa/form2 cdda tray
> Uniform CD-ROM driver Revision: 3.20
> sr 1:0:0:0: Attached scsi generic sg0 type 5

Ok, so AHCI controller driver is loaded, but the disks are not detected..
"failed to IDENTIFY". 

Wonder what's causing that..

> md: Waiting for all devices to be available before autodetect
> md: If you don't use raid, use raid=noautodetect
> md: Autodetecting RAID arrays.
> md: Scanned 0 and added 0 devices.
> md: autorun ...
> md: ... autorun DONE.

No disks to scan here.. because none were detected.


> Root-NFS: No NFS server available, giving up.
> VFS: Unable to mount root fs via NFS, trying floppy.
> VFS: Cannot open root device "sda2" or unknown-block(2,0)
> Please append a correct "root=" boot option; here are the available 
> partitions:
> 0b00         1048575 sr0 driver: sr
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)

Yep, can't find root device because no disks were detected..

-- Pasi

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