Date: Fri, 19 Oct 2007 21:01:54 -0400 From: Yarema <yds@CoolRat.org> To: Net@FreeBSD.org Cc: yongari@FreeBSD.org Subject: if_re Fatal trap 12: page fault while in kernel mode Message-ID: <BC4D4382D1B29EAAA8B212B2@silvr.coolrat.org>
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I'm running a pair of VIA C7 mini-ITX carp(4)ed 6.2-STABLE boxes with one if_vr and three if_re RealTek 8169S Single-chip Gigabit Ethernet NICs. vr is used for pfsync and all re interfaces have carp. I'm unable to run any kernel newer than April 11th, 2007 without getting something along the lines of: Fatal trap 12: page fault while in kernel mode fault virtual address = 0x31 fault code = supervisor read, page not present instruction pointer = 0x20:0xc0658773 stack pointer = 0x28:0xe374bc28 frame pointer = 0x28:0xe374bc7c 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 = 11 (swi1: net) trap number = 12 panic: page fault Uptime: 32s usually within a minute of going multiuser. Single user is stable and allows me to roll back to the good Apr 11th kernel. I've tried building a newer kernel using /sys/dev/re/if_re.c Revision 1.46.2.26 committed on Apr 11th with the same results. Kernel panic within a minute of bootup, but rock solid in single user. --On Friday, October 19, 2007 11:19:40 +0300 Vlad GALU <dudu@dudu.ro> wrote: > I recall experiencing some crashes with ZERO_COPY_SOCKETS on > RELENG_6 and it was related to the VM subsystem. Tor Egge may have a > better idea about the problem and whether it was fixed in RELENG_7 or > not. I do have ZERO_COPY_SOCKETS enabled. Could this be relevant? I've put up the the dmesg.boot, kernel, vmcore, panic.txt and the KERNCONF files at http://yds.CoolRat.org/C787D3NG/ -- Yarema
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