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Re: current hang: arp_drain: locked; punting
Hello. I've seen this hang as far back as 3.1. In 3.1, the system
eventually recovers, but when there is a lot of arp traffic, you can run
into this. I mention this because I suspect it's an old bug.
On Oct 15, 9:48am, Thomas Klausner wrote:
} Subject: Re: current hang: arp_drain: locked; punting
} On Tue, Oct 07, 2008 at 09:46:28AM +0200, Thomas Klausner wrote:
} > A 4.99.64/amd64 machine I'm administering had a hard hang two days
} > ago.
} > On the console was "arp_drain: locked; punting", 4 times.
} > The last I saw in a remote window where I had a top running was that
} > [system] was using 99% CPU.
} Same machine hang yesterday with (probably contains lots of typos):
} fatal page fault in supervisor mode
} trap type 6 code 0 rip ffffffff...f0017661b es 0 rflags 10206 cr250 cpl 4 rsp
} panic: trap
} syncing disks... 16 16 16...16 giving up
} I've updated the kernel to 4.99.73.
>-- End of excerpt from Thomas Klausner
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