On Tue, Jan 22, 2013 at 06:17:00AM +0000, Huang, Adrian (ISS Linux TW) wrote:
> Hi Alan,
> 
> Recently, I'm debugging this issue (the same symptom described by Don) on my 
> server. Fortunately, the issue was fixed by applying your patch posted in 
> this email thread. Just checked the latest kernel (3.7.4) and the mainline 
> (3.8-rc4), the patch was not included in those kernels. Do you have any 
> schedule to submit the patch to the upstream? Thanks in advance. 

I don't think Alan ever committed that patch because I never gave him
feedback on it.  Of course, the reason I never gave feedback was the
customer I was working with (HP??) updated their firmware and couldn't
reproduce the problem anymore.  Therefore the patch couldn't be verified
to work or not.

But if you are able to show the patch working, I'll leave it up to Alan to
decide what to do.

Cheers,
Don

> 
> The list of the allocated IRQ (uhci_hcd used the shared interrupt) on my 
> server: 
>            CPU0       CPU1       CPU2       CPU3       CPU4       CPU5       
> CPU6       CPU7
>   0:        120          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge      timer
>   1:          2          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge      i8042
>   3:          2          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge
>   4:          1          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge
>   8:          1          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge      rtc0
>   9:          0          0          0          0          0          0        
>   0          0  IR-IO-APIC-fasteoi   acpi
>  12:          4          0          0          0          0          0        
>   0          0  IR-IO-APIC-edge      i8042
>  16:       1187          0          0          0          0          0        
>   0          0  IR-IO-APIC-fasteoi   uhci_hcd:usb3, hpilo
>  20:       1385          0          0          0          0          0        
>   0          0  IR-IO-APIC-fasteoi   ehci_hcd:usb2
>  21:        167          0          0          0          0          0        
>   0          0  IR-IO-APIC-fasteoi   ehci_hcd:usb1
> 
> -- Adrian
> 
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