Date: Mon, 08 Sep 2014 13:27:59 -0700 From: Sean Bruno <sbruno@ignoranthack.me> To: Eric van Gyzen <eric@vangyzen.net> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: ixgbe(4) spin lock held too long Message-ID: <1410208079.1343.5.camel@bruno> In-Reply-To: <540E04AA.80806@vangyzen.net> References: <1410203348.1343.1.camel@bruno> <1410203965.1343.3.camel@bruno> <540E04AA.80806@vangyzen.net>
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On Mon, 2014-09-08 at 15:34 -0400, Eric van Gyzen wrote: > >> Unread portion of the kernel message buffer: > >> spin lock 0xffffffff812a0400 (callout) held by 0xfffff800151fe000 > (tid > >> 100003) too long > > TID 100003 is usually a kernel idle thread, which would seem to > indicate > a dangling lock. Can you enable WITNESS (without WITNESS_SKIPSPIN) on > this box? Will do. I'll report back when we get a crash with WITNESS sean
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