Date: Mon, 30 Oct 2017 22:02:13 -0400 From: Stephen Hurd <shurd@sasktel.net> To: Eric van Gyzen <vangyzen@FreeBSD.org>, shurd@FreeBSD.org, sbruno@FreeBSD.org, freebsd-net@freebsd.org Subject: Re: LOR in iflib_timer Message-ID: <a46362a5-62f7-17af-a653-10cfa9ef4558@sasktel.net> In-Reply-To: <32cdf984-fa30-331c-f7b0-2bec1f13a6cf@FreeBSD.org> References: <32cdf984-fa30-331c-f7b0-2bec1f13a6cf@FreeBSD.org>
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Eric van Gyzen wrote: > Twice a day, my router hits an LOR in iflib_timer when it jumps to the > "hung" label. It's running r325049 (head 3 days ago). > > lock order reversal: > 1st 0xfffffe0000f36068 igb1:tx(0):call (igb1:tx(0):call) @ > /usr/src/sys/kern/kern_mutex.c:182 > 2nd 0xfffff80003b0c150 igb1 (iflib ctx lock) @ > /usr/src/sys/net/iflib.c:2139 > > This looks like it was fixed by the big rollup. If it was fixed by a > smallish commit, can that commit alone be merged to head? If someone > can point me to the commit, I'd be happy to test it. > > Eric I would guess it to be one of the biggest ones. Review here: https://reviews.freebsd.org/D12101
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