Re: interrupts on APs

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> On Wed, Dec 07, 2011 at 04:05:34AM +0000, YAMAMOTO Takashi wrote:
>> only think i'm aware of is the "no_irq_affinity" quirk for E7520/7320/7525.
>> from their comment:
>> 
>>         /* BIOS may enable hardware IRQ balancing for
>>          * E7520/E7320/E7525(revision ID 0x9 and below)
>>          * based platforms.
>>          * Disable SW irqbalance/affinity on those platforms.
>>          */
>> 
>> can anyone test on those hardware?
> 
> Tested on a Dell poweredge 2850 with 2 Xen 3,2Ghz (single-core, hyperthread)
> with:
> pchb0 at pci0 dev 0 function 0
> pchb0: Intel E7525 Memory Controller Hub (rev. 0x09)
> ppb0 at pci0 dev 2 function 0: Intel E7525 PCI Express Port A (rev. 0x09)
> 
> Boot fails with obvious interrupts issues (messages from ehci controller
> which looks like timeouts; 'lost interrupts' from cmdide).
> With plain GENERIC from HEAD, there's no such issues.
> 
> So this is one platform where it fails.

does a dynamic reconfiguration (cpuctl nointr) fail similarly?

YAMAMOTO Takashi

> 
> -- 
> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>      NetBSD: 26 ans d'experience feront toujours la difference
> --