[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: interrupts on APs
On Mon, Dec 12, 2011 at 03:44:59AM +0000, YAMAMOTO Takashi wrote:
> > 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?
I'm not sure what you ask for here. The kernel does't reach
single-user, so I've no chances to run cpuctl.
Or should I run cpuctlagainst the non-patched kernel ? If so, with what
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
Main Index |
Thread Index |