if_re Fatal trap 12: page fault while in kernel mode

[Pyun YongHyeon]

On Fri, Oct 19, 2007 at 09:01:54PM -0400, Yarema wrote:
 > 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 at 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/

403

Would show me backtrace information?

-- 
Regards,
Pyun YongHyeon