Phil Oester <kernel@xxxxxxxxxxxx> wrote:
>
> On Tue, May 31, 2005 at 04:12:20PM -0700, Andrew Morton wrote:
> > Are you _sure_ the hardware is good?
>
> Well, it lasts on 2.6.10 indefinitely (since 1/1/5 minus the recent
> upgrade attempts). And the hardware itself has been in service for
> a few years without failure. It will last on 2.6.11 or 12-rc over
> the weekend fine, but as soon as traffic picks up during the workday
> it keels over.
hm, OK. So I assume the machine has recently been running 2.6.10. So it's
unlikely to be a hardware problem.
> > Are you running anything which would cause netdevs to be destroyed?
> > Bringing virtual devices up and down? TUN/TAP driver? Bonding driver?
> > Anything like that?
>
> The box runs keepalived (for VRRP), and quagga (for OSPF). Neither should
> be destroying netdevs during normal operation AFAIK.
OK. It would need more than a very-ex-net person to work out how those
things affect the networking stack ;)
> > Have you tried CONFIG_DEBUG_SLAB and/or CONFIG_DEBUG_PAGEALLOC?
>
> No - do you think it would reveal anything given the above?
It might catch the failure at an earlier stage.
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