Date: Mon, 15 Nov 2004 11:11:11 -0500 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-alpha@FreeBSD.org Cc: Robert Watson <rwatson@FreeBSD.org> Subject: Re: alpha and em mtu Message-ID: <200411151111.11950.jhb@FreeBSD.org> In-Reply-To: <Pine.SOC.4.61.0411142153430.26307@tea.blinkenlights.nl> References: <Pine.SOC.4.61.0411142153430.26307@tea.blinkenlights.nl>
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On Sunday 14 November 2004 04:26 pm, Sten Spans wrote: > I upgraded my ds10 with an intel gigabit card, > and encountered the following issue (RELENG_5): > > deepthought# ifconfig em0 mtu 1501 > deepthought# > fatal kernel trap: > > trap entry = 0x4 (unaligned access fault) > faulting va = 0xfffffc001847a02e > opcode = 0x28 > register = 0x1 > pc = 0xfffffc00004cd0f8 > ra = 0xfffffc00004cce24 > sp = 0xfffffe00187a9af0 > curthread = 0xfffffc001f3a70e0 > pid = 14, comm = swi1: net > > [thread 100006] > Stopped at tcp_input+0x368: srl t0,#0x2,t0 <t0=0x45> > db> trace > tcp_input() at tcp_input+0x368 Can you do 'gdb kernel.debug' in your kernel build directory and then do 'l *tcp_input+0x368' to determine which source line it is panic'ing at? This might help us figure out what the unaligned access is so it can be fixed. If you don't have a debug kernel, please build one and reproduce the panic to get the updated 'tcp_input+0xblah' line and then do the gdb command with the updated 'tcp_input+0xblah' bit. Thanks. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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