Date: Wed, 25 Apr 2001 11:02:15 -0400 From: "Richard S. Conto" <rsc@merit.edu> To: freebsd-stable@freebsd.org Cc: rsc@merit.edu Subject: Kernel panic at 0x0 w/ 4.3-STABLE (cvsup'd 4/22/2001) Message-ID: <20010425150215.6794A5DE42@segue.merit.edu>
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I'd like some help coping with a kernel panic that has been happening to me whenever I start "arla" since I cvsup'd to 4.3-RC (in several flavors) and now 4.3-STABLE. All of the kernel panics I've seen had the instruction pointer at 0x8:0x0 A few days ago, I submitted a "kernel panic" via the web interface to the "ports" category, but now I realize I didn't give enough information or submit in the right place (I think.) That submission is ports/26797. Since then, I've tried to get a back-trace using gdb -k per. the FAQ (http://www.freebsd.org/doc/en_US.ISO_8859-1/books/faq/hackers.html#KERNEL-PANIC-TROUBLESHOOTING) However, the backtrace doesn't go very far. For all of the back-traces I've viewed, they only go back to 0x0 and no further. I've had "option INVARIANT_SUPPORT" turned on for a while, and I even rebuilt the kernel with "option INVARIANTS", but that hasn't helped improve the backtrace. Could someone offer some suggestion about how I can gather more information here? The box is a Dell Inspirion 3000 (cira 1977 laptop) with 32M ram. "arla" worked fine for me with 4.2-STABLE --------------------------------- module_register_init: MOD_LOAD (xfs_syscall, c014ee84, 0xc0cff920) error 17 xfs: cdev: 128, syscall: 210 ... IdlePTD 4259840 initial pcb at 34b9e0 panicstr: page fault panic messages: --- Fatal trap 12: page fault while in kernel mode fault virtual address = 0x0 fault code = supervisor read, page not present instruction pointer = 0x8:0x0 stack pointer = 0x10:0xc416af30 frame pointer = 0x10:0xc416afa0 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 = 362 (arlad) interrupt mask = none trap number = 12 panic: page fault syncing disks... 19 19 18 11 4 done Uptime: 44s dumping to dev #ad/0x30001, offset 458752 dump ata0: resetting devices .. done 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 --- #0 dumpsys () at ../../kern/kern_shutdown.c:469 469 if (dumping++) { (kgdb) where #0 dumpsys () at ../../kern/kern_shutdown.c:469 #1 0xc014b36b in boot (howto=256) at ../../kern/kern_shutdown.c:309 #2 0xc014b701 in panic (fmt=0xc02f5b0f "page fault") at ../../kern/kern_shutdown.c:556 #3 0xc02aaf92 in trap_fatal (frame=0xc416aef0, eva=0) at ../../i386/i386/trap.c:951 #4 0xc02aac45 in trap_pfault (frame=0xc416aef0, usermode=0, eva=0) at ../../i386/i386/trap.c:844 #5 0xc02aa7bb in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi = 0, tf_ebp = -1005146208, tf_isp = -1005146340, tf_ebx = -1005217088, tf_edx = -1070588424, tf_ecx = -1070588424, tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = 0, tf_cs = 8, tf_eflags = 66118, tf_esp = -1070943655, tf_ss = -1005217088}) at ../../i386/i386/trap.c:443 #6 0x0 in ?? () (kgdb) quit x25# uname -a FreeBSD x25.home 4.3-STABLE FreeBSD 4.3-STABLE #2: Wed Apr 25 10:13:55 EDT 2001 rsc@x25.home:/usr/src/sys/compile/INSPIRION3K i386 x25# exit Script done on Wed Apr 25 10:40:56 2001 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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