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xen-devel
Re: [Xen-users] hanging dell hardware
See bugzilla #76
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=76
On Wed, 2005-08-24 at 15:06 +0200, Daniel Schröder wrote:
> Hi *,
>
> there are numerous mails about this xen "problem".
> A short abstract:
>
> On Dell PowerEdge 28XX the system freezes or locks on IO if USB is
> enabled in Bios.
> The reason behind this, is a shared irq problem, because USB and NIC
> shares in Bios same IRQ e.g. both 15 or 7.
> Bios shares some other irqs too but these seems to be not a problem...
> This problem occures only with XEN Kernel dom0, a "normal" distri kernel
> works fine...
> If USB is in bios disabled...all is fine...
>
> this is a /proc/interrupts with USB enabled
>
> CPU0
> 1: 141 Phys-irq i8042
> 12: 93 Phys-irq i8042
> 16: 161 Phys-irq uhci_hcd
> 18: 3917 Phys-irq uhci_hcd
> 19: 0 Phys-irq uhci_hcd
> 23: 27 Phys-irq ehci_hcd
> 38: 2940 Phys-irq megaraid
> 58: 80 Phys-irq aic7xxx
> 59: 30 Phys-irq aic7xxx
> 72: 31 Phys-irq eth0
> 128: 1 Dynamic-irq misdirect
> 129: 0 Dynamic-irq ctrl-if
> 130: 9832 Dynamic-irq timer
> 131: 0 Dynamic-irq console
> 132: 0 Dynamic-irq net-be-dbg
> NMI: 0
> ERR: 0
>
> and this with usb disabled
>
> CPU0
> 1: 8 Phys-irq i8042
> 12: 93 Phys-irq i8042
> 14: 264 Phys-irq ide0
> 16: 357354 Phys-irq uhci_hcd
> 38: 25038 Phys-irq megaraid
> 58: 80 Phys-irq aic7xxx
> 59: 30 Phys-irq aic7xxx
> 72: 212147 Phys-irq eth0
> 128: 1 Dynamic-irq misdirect
> 129: 0 Dynamic-irq ctrl-if
> 130: 54174 Dynamic-irq timer
> 131: 0 Dynamic-irq console
> 132: 0 Dynamic-irq net-be-dbg
> NMI: 0
> ERR: 0
>
> This problem is very annoying to me...because i am using an usb
> usv...and at the moment i must disable USB in bios to have a stable machine!
> Plz. could some developer contact me to investigate and fix this
> problem? Or is this problem known and fixed in a newer version?
> Currently i am using Xen 2.06 with xen Kernel 2.6.11.10 32bit
>
> cheers,
> daniel
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>
--
Jerone Young
IBM Linux Technology Center
jyoung5@xxxxxxxxxx
512-838-1157 (T/L: 678-1157)
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