Re: [Xen-devel] disk offline with xen4.0+pvops2.6.31.13

[tsk <aixt2006@xxxxxxxxx>]

OK, we will try these two options.

After enable MSI option,  disk offline still appear, the attachment is the Call Trace.

The content of /proc/interrupts is:

           CPU0       CPU1       

  1:          2          0  xen-pirq-ioapic-edge  i8042

  4:          9          0  xen-pirq-ioapic-edge  serial

  8:          0          0  xen-pirq-ioapic-edge  rtc0

  9:          0          0  xen-pirq-ioapic-level  acpi

 12:          4          0  xen-pirq-ioapic-edge  i8042

 16:         34          0  xen-pirq-ioapic-level  uhci_hcd:usb3

 18:          2          0  xen-pirq-ioapic-level  ehci_hcd:usb1, uhci_hcd:usb6

 19:          0          0  xen-pirq-ioapic-level  uhci_hcd:usb5, ata_piix, ata_piix

 23:          0          0  xen-pirq-ioapic-level  ehci_hcd:usb2, uhci_hcd:usb4

482:          0          0   xen-dyn-event     evtchn:xenstored

483:         47        272   xen-dyn-event     evtchn:xenstored

490:    2957623       2181  xen-pirq-msi-x     peth0-2

491:    3239519       2907  xen-pirq-msi-x     peth0-1

492:    6678288          0  xen-pirq-msi-x     peth0-0

493:     134441         80  xen-pirq-msi       ioc0

495:          0          0   xen-dyn-virq      mce

500:          0          0   xen-dyn-virq      pcpu

501:         72        344   xen-dyn-event     xenbus

502:          0      43586   xen-dyn-ipi       callfuncsingle1

503:          0          0   xen-dyn-virq      debug1

504:          0          0   xen-dyn-ipi       callfunc1

505:          0     468438   xen-dyn-ipi       resched1

506:          0  148914934   xen-dyn-virq      timer1

507:      41098          0   xen-dyn-ipi       callfuncsingle0

508:          0          0   xen-dyn-virq      debug0

509:          0          0   xen-dyn-ipi       callfunc0

510:     502029          0   xen-dyn-ipi       resched0

511:  148977732          0   xen-dyn-virq      timer0

NMI:          0          0   Non-maskable interrupts

LOC:          0          0   Local timer interrupts

SPU:          0          0   Spurious interrupts

CNT:          0          0   Performance counter interrupts

PND:          0          0   Performance pending work

RES:     502029     468438   Rescheduling interrupts

CAL:      41098      43586   Function call interrupts

TLB:          0          0   TLB shootdowns

TRM:          0          0   Thermal event interrupts

THR:          0          0   Threshold APIC interrupts

MCE:          0          0   Machine check exceptions

MCP:        497        497   Machine check polls

ERR:          0

MIS:          0

Thanks.

Tsk

2010/4/28 Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

On Wed, Apr 28, 2010 at 09:27:30PM +0800, yingbin wang wrote:
> we found some info from xen wiki:
>
> Enabling MSI/MSI-X for Assigned Devices
> As of Xen 3.4.0 MSI/MSI-X is always on.
>       This change was made in changeset: 18454:65dc37be0443
> In Xen 3.3.0, MSI/MSI-X could be enabled using the xen boot parameter "msi=1".
>       This change was made in changeset: 18127:89d05940cc1c
>       The following snippet from a grub configuration enables MSI/MSI-X
>               kernel xen.gz msi=1
>
> does it mean that we should also Enable MSI Support for SAS in mptbase module?

First try the iommu option (iommu=off for example) and also the x2apic=off

Do include your serial log so we can see what kind of error you are
getting. And also include you /proc/interrupts output please.

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