Date: Tue, 11 Mar 2003 19:25:23 +0800 From: leafy <leafy@leafy.idv.tw> To: freebsd-current@freebsd.org Subject: kernel panic in tcp_input.c:2324 Message-ID: <20030311112523.GA631@leafy.idv.tw>
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Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x20
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01c5a96
stack pointer = 0x10:0xcd316a98
frame pointer = 0x10:0xcd316abc
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 = 14 (swi1: net)
trap number = 12
panic: page fault
syncing disks, buffers remaining... 2233 2233 2233 2233 2233 2233 2233 2233 2233
2233 2233 2233 2233 2233 2233 2233 2233 2233 2233 2233
giving up on 1851 buffers
Uptime: 3h50m55s
Dumping 255 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
239 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:239
#1 0xc01cff9a in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:371
#2 0xc01d0203 in panic () at /usr/src/sys/kern/kern_shutdown.c:542
#3 0xc02ee2f2 in trap_fatal (frame=0xcd316a58, eva=0)
at /usr/src/sys/i386/i386/trap.c:843
#4 0xc02edfd2 in trap_pfault (frame=0xcd316a58, usermode=0, eva=32)
at /usr/src/sys/i386/i386/trap.c:757
#5 0xc02edac0 in trap (frame=
{tf_fs = -1058209768, tf_es = -852426736, tf_ds = -1071251440, tf_edi = -1
058255824, tf_esi = 0, tf_ebp = -852399428, tf_isp = -852399484, tf_ebx = -10702
78932, tf_edx = -1058255824, tf_ecx = 1, tf_eax = 1, tf_trapno = 12, tf_err = 0,
tf_eip = -1071883626, tf_cs = 8, tf_eflags = 66050, tf_esp = 16, tf_ss = 1})
at /usr/src/sys/i386/i386/trap.c:444
#6 0xc02ddc58 in calltrap () at {standard input}:96
#7 0xc0266729 in tcp_input (m=0xc0ec4c30, off0=20)
at /usr/src/sys/netinet/tcp_input.c:2324
#8 0xc025fcff in ip_input (m=0xc0ee4400)
at /usr/src/sys/netinet/ip_input.c:944
#9 0xc024143e in swi_net (dummy=0x0) at /usr/src/sys/net/netisr.c:236
#10 0xc01bbdc1 in ithread_loop (arg=0xc0ec2100)
at /usr/src/sys/kern/kern_intr.c:536
#11 0xc01bacb3 in fork_exit (callout=0xc01bbbf0 <ithread_loop>, arg=0x0,
frame=0x0) at /usr/src/sys/kern/kern_fork.c:871
(kgdb) up 7
#7 0xc0266729 in tcp_input (m=0xc0ec4c30, off0=20)
at /usr/src/sys/netinet/tcp_input.c:2324
2324 INP_INFO_WUNLOCK(&tcbinfo);
--
"Without the userland, the kernel is useless."
--inspired by The Tao of Programming
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