From owner-freebsd-current@FreeBSD.ORG Sat Mar 5 18:27:51 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 60ACF16A4CE for ; Sat, 5 Mar 2005 18:27:51 +0000 (GMT) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3FFF843D31 for ; Sat, 5 Mar 2005 18:27:51 +0000 (GMT) (envelope-from mux@freebsd.org) Received: by elvis.mu.org (Postfix, from userid 1920) id 336D45C9A8; Sat, 5 Mar 2005 10:27:51 -0800 (PST) Date: Sat, 5 Mar 2005 19:27:51 +0100 From: Maxime Henrion To: Randy Bush Message-ID: <20050305182751.GQ31320@elvis.mu.org> References: <1107887237.793.26.camel@buffy.york.ac.uk> <20050226120253.O87543@ury.york.ac.uk> <20050305020343.GO31320@elvis.mu.org> <16937.62150.818165.837486@roam.psg.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <16937.62150.818165.837486@roam.psg.com> User-Agent: Mutt/1.4.2.1i cc: freebsd-current@freebsd.org cc: othermark Subject: Re: fxp0 and vlan panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Mar 2005 18:27:51 -0000 Randy Bush wrote: > > Just for the record, and for people not reading CVS commit logs, I > > committed a fix for this a few days ago and I will make sure to MFC > > it in time for 5.4-RELEASE. > > might this give me some help on occasional but repeated fxp > crashes under load? > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x80808517 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc047d2d0 > stack pointer = 0x10:0xd3f78c88 > frame pointer = 0x10:0xd3f78cac > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 15 (irq5: fxp0) > [thread pid 15 tid 100008 ] > Stopped at fxp_intr_body+0xd0: cmpw $0,0(%esi) > db> trace > Tracing pid 15 tid 100008 td 0xc155fb80 > fxp_intr_body(c161a000,c161a000,40,ffffffff,c0630cb6) at fxp_intr_body+0xd0 > fxp_intr(c161a000,0,0,0,0) at fxp_intr+0x141 > ithread_loop(c1551a00,d3f78d48,0,0,0) at ithread_loop+0x1a8 > fork_exit(c04da530,c1551a00,d3f78d48) at fork_exit+0x7f > fork_trampoline() at fork_trampoline+0x8 > --- trap 0x1, eip = 0, esp = 0xd3f78d7c, ebp = 0 --- It probably won't help with that. Could I have you to get a system core for this crash and show me precisely where this happens with gdb -k ? Cheers, Maxime