On Thu, 20 Dec 2007 22:31:49 -0500 David Nalley <[EMAIL PROTECTED]> wrote:
> Ben Strum wrote: > > We are running VC2 on a server with 2 NICs. The system had been > > function fine, but recently, we have started to see the machine freeze > > with a message saying "Soft lockup detected on CPU#0". I looked into > > this message couldn't find any resolutions. Does anyone know anything > > about this? > > > > Thanks, > > > > Ben Strum > Historically such messages tend to problems with softirq managers like > irqbalance. > > Usual stuff to try is disabling ioapic, disabling ACPI, checking for BIOS > updates that mention ACPI fixes or Interrupt table fixes or $PIR fixes. > Possibly > also disabling MSI if its in use. Sometimes even changing the the slot a card > is plugged into. What NIC? It could also be a driver issue for that particular NIC. The newer drivers use NAPI which has IRQ mitigation and overrun protection, older drivers do not. Most of these older drivers do check for spending too much time in IRQ routine. -- Stephen Hemminger <[EMAIL PROTECTED]> _______________________________________________ Vyatta-users mailing list Vyatta-users@mailman.vyatta.com http://mailman.vyatta.com/mailman/listinfo/vyatta-users
