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[Xen-devel] 4.1.1 dom0 kernel panic "No available IRQ to bind to: increa
| To: | "Xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] 4.1.1 dom0 kernel panic "No available IRQ to bind to: increae nr_irqs!" |
| From: | Nathan March <nathan@xxxxxx> |
| Date: | Mon, 22 Aug 2011 13:22:06 -0700 |
| Delivery-date: | Mon, 22 Aug 2011 13:22:53 -0700 |
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Hi, I've run into an issue where after spawning more than ~22 VMs, the dom0 will panic with: Kernel panic - not syncing: No available IRQ to bind to: increase nr_irqs! xen7 ~ # dmesg | grep IRQ [ 40.430664] NR_IRQS:4352 nr_irqs:512 This is on xen 4.1.1 with the 2.6.32.43 kernel from jeremy xen.git. I do have sparse IRQ's on: CONFIG_SPARSE_IRQ=y I've found numerous comments about this online, but they primarily seem to apply to earlier versions of xen. More recent comments seem to indicate it shouldn't be a problem since the IRQ's are dynamically increased? The kernel doesn't seem to have NR_IRQS specified anywhere that I can see... Can anyone point me in the right direction to resolve this? Thanks, Nathan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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