Date: Wed, 07 Feb 2001 00:58:49 -0500 (EST) From: "Alexander N. Kabaev" <kabaev@mail.ru> To: freebsd-current@FreeBSD.ORG Cc: John Baldwin <jhb@FreeBSD.ORG> Subject: Re: Kernel Panic from Yesterday's CVSup Message-ID: <XFMail.20010207005849.kabaev@mail.ru> In-Reply-To: <XFMail.010206205952.jhb@FreeBSD.org>
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I can easily reproduce the panic on my -CURRENT Athlon box by just starting any
print job. Other that that, the system seems to be running OK, i.e. no panics
occur unless some lpr activity is involved. Here is the stack dump:
#9 0xc02a9fbc in trap (frame={tf_fs = 24, tf_es = 16, tf_ds = 16,
tf_edi = -857849588, tf_esi = 32, tf_ebp = -696148124,
tf_isp = -696148164, tf_ebx = -1069967232, tf_edx = -857849856,
tf_ecx = -868400672, tf_eax = -1070952435, tf_trapno = 9, tf_err = 32,
tf_eip = -1070952316, tf_cs = 8, tf_eflags = 65670,
tf_esp = -1071733991, tf_ss = 0}) at ../../i386/i386/trap.c:656
#10 0xc02a9084 in sw1b ()
#11 0xc02b075b in ithd_loop (dummy=0x0) at ../../i386/isa/ithread.c:216
#12 0xc01dc48d in fork_exit (callout=0xc02b0664 <ithd_loop>, arg=0x0,
frame=0xd6819fa8) at ../../kern/kern_fork.c:669
and disassembled code at the point of the trap looks like
0xc02a9076 <sw1b+105>: mov %eax,0x0(%ebx)
0xc02a9079 <sw1b+108>: mov 0x4(%edi),%eax
0xc02a907c <sw1b+111>: mov %eax,0x4(%ebx)
0xc02a907f <sw1b+114>: mov $0x20,%esi
0xc02a9084 <sw1b+119>: ltr %si
...... ^^^^^^^^^^^^^^
Also, a pretty unpleasant crash occurs on the latest current boxes everytime
vidcontrol is used to change console resolution to the VESA_800x600 mode.
I was able to get the crash dump, but unfortunately it seems like the stack is
becoming corrupt and so there is no useful information to report.
----------------------------------
E-Mail: Alexander N. Kabaev <kabaev@mail.ru>
Date: 07-Feb-2001
Time: 00:35:38
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