Date: Sat, 18 Oct 2014 07:35:44 -0400 From: John Baldwin <jhb@freebsd.org> To: Adrian Chadd <adrian@freebsd.org> Cc: Sean Bruno <sbruno@llnw.com>, FreeBSD Net <freebsd-net@freebsd.org>, Jason Wolfe <nitroboost@gmail.com> Subject: Re: ixgbe(4) spin lock held too long Message-ID: <4003470.qylyPxsqMt@ralph.baldwin.cx> In-Reply-To: <CAJ-VmomMCP%2BXFKEu-tCc_A3z5NatsTXEqQUKg3mc2pcMzH%2BnGA@mail.gmail.com> References: <1410203348.1343.1.camel@bruno> <CAAAm0r2x%2BVJafG1LDixpgj9RjeVaXpJ5UMA3EzAcN3DqX5hxzA@mail.gmail.com> <CAJ-VmomMCP%2BXFKEu-tCc_A3z5NatsTXEqQUKg3mc2pcMzH%2BnGA@mail.gmail.com>
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On Friday, October 17, 2014 11:43:26 PM Adrian Chadd wrote: > Hm, is this the bug that was just fixed in -HEAD? > > I saw this similar bug on -HEAD with lots of quick connections and > reused ports. It ended up deferencing a NULL tcp timer pointer from > the inpcb. Is that what the code in your tree is doing? This is not a NULL tcp timer pointer. Instead, the retransmit timer is being armed while the persist timer is still armed. -- John Baldwin
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