Date: Sat, 13 Apr 2002 12:44:36 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Makoto Matsushita <matusita@jp.FreeBSD.org> Cc: current@FreeBSD.org Subject: RE: plug aue ethernet goes to panic Message-ID: <XFMail.20020413124436.jhb@FreeBSD.org> In-Reply-To: <20020414010045X.matusita@jp.FreeBSD.org>
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On 13-Apr-2002 Makoto Matsushita wrote: > > Following are observed with 5-current kernel as of Apr/13/2002. > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0x4 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc0189b4a > stack pointer = 0x10:0xc03f5180 > frame pointer = 0x10:0xc03f5180 > 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 = 0 (swapper) > trap number = 12 > panic: page fault > > Loading kernel is OK, it boots fine if my 'aue' ethernet is not > plugged. When I plug aue to the PC, kernel panic with messages above. > Also, kernel panics after usb0, uhub0 is attached (same reason). > > Does anybody have aue see this?, or I'm alone? Can you get a backtrace in ddb? It looks like a null pointer dereference, and knowing where it happened would help. Finding the file and line of the instruction pointer using addr2line on kernel.debug would be helpful as well. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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