Ok, I tried the NFS mount command again but without dnetc running.
(BTW, I'm running rpm -Uhv to update some packages from another linux
machine; I download the updates on it and all other machines load the
updates from it.)
This time I got a stack dump to run through ksymoops:
ksymoops 2.3.4 on i686 2.4.0-ac9. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.0-ac9/ (default)
-m /boot/System.map-2.4.0-ac9 (specified)
NMI Watchdog detected LOCKUP on CPU0, registers:
CPU: 0
EIP: 0010:[<c0134820>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00000296
eax: 00000000 ebx: c03029a8 ecx: 000000ff edx: 000001fd
esi: 000001fd edi: 00000000 ebp: ffffffff esp: c0ca3d08
ds: 0018 es: 0018 ss: 0018
Process rpm (pid: 1120, stackpage=c0ca3000)
Stack: 00000000 c0302780 d3d6b920 c0cb50e0 00000025 00000000 c01352bc
00000005
00000001 c0302a0c d3d6b920 c0cb50e0 00000025 400de000 c01289a2
c0f4c378
00000002 c0ef7400 c0128b24 c0cb50e0 d3d6b920 c0f4c378 00000001
400de000
Call Trace: [<c01352bc>] [<c01289a2>] [<c0128b24>] [<c024e08f>]
[<c024e4f8>] [<c011607d>] [<d4800000>]
[<c016e861>] [<c010961d>] [<c0116e02>] [<c0115f20>] [<c0109248>]
[<c012e03e>] [<c012e010>] [<c012bb0e>]
[<c014e7bc>] [<c012e0d2>] [<c012e010>] [<c016dd42>] [<c013b996>]
[<c011d44b>] [<c0109113>]
Code: 85 c0 89 44 24 04 75 a8 8b 04 24 5f 5d 5b 5e 5f 5d c3 8d b4
>>EIP; c0134820 <free_shortage+b0/d0> <=====
Trace; c01352bc <__alloc_pages+8c/480>
Trace; c01289a2 <do_anonymous_page+32/80>
Trace; c0128b24 <handle_mm_fault+134/240>
Trace; c024e08f <ip_local_deliver+1f/1d0>
Trace; c024e4f8 <ip_rcv+2b8/350>
Trace; c011607d <do_page_fault+15d/450>
Trace; d4800000 <_end+1445eaec/144b9b4c>
Trace; c016e861 <nfs_pagein_inode+41/120>
Trace; c010961d <do_nmi+3d/110>
Trace; c0116e02 <schedule+3c2/5d0>
Trace; c0115f20 <do_page_fault+0/450>
Trace; c0109248 <error_code+34/3c>
Trace; c012e03e <file_read_actor+2e/60>
Trace; c012e010 <file_read_actor+0/60>
Trace; c012bb0e <do_generic_file_read+25e/5d0>
Trace; c014e7bc <do_select+21c/360>
Trace; c012e0d2 <generic_file_read+62/80>
Trace; c012e010 <file_read_actor+0/60>
Trace; c016dd42 <nfs_file_read+92/b0>
Trace; c013b996 <sys_read+96/d0>
Trace; c011d44b <sys_gettimeofday+1b/90>
Trace; c0109113 <system_call+33/38>
Code; c0134820 <free_shortage+b0/d0>
00000000 <_EIP>:
Code; c0134820 <free_shortage+b0/d0> <=====
0: 85 c0 test %eax,%eax <=====
Code; c0134822 <free_shortage+b2/d0>
2: 89 44 24 04 mov %eax,0x4(%esp,1)
Code; c0134826 <free_shortage+b6/d0>
6: 75 a8 jne ffffffb0 <_EIP+0xffffffb0>
c01347d0 <free_shortage+60/d0>
Code; c0134828 <free_shortage+b8/d0>
8: 8b 04 24 mov (%esp,1),%eax
Code; c013482b <free_shortage+bb/d0>
b: 5f pop %edi
Code; c013482c <free_shortage+bc/d0>
c: 5d pop %ebp
Code; c013482d <free_shortage+bd/d0>
d: 5b pop %ebx
Code; c013482e <free_shortage+be/d0>
e: 5e pop %esi
Code; c013482f <free_shortage+bf/d0>
f: 5f pop %edi
Code; c0134830 <free_shortage+c0/d0>
10: 5d pop %ebp
Code; c0134831 <free_shortage+c1/d0>
11: c3 ret
Code; c0134832 <free_shortage+c2/d0>
12: 8d b4 00 00 00 00 00 lea 0x0(%eax,%eax,1),%esi
I was able to copy-paste the message on the screen into a file so I
didn't have to type it in manually onto another computer. I rebooted
the machine after this just in case something somewhere might've been
unhappy about this. While it was shutting down, the NFS mount point
refused to umount, saying the device was busy. The only thing that
could've been using that mount point was the rpm command that I ran. I
cd'd back to /root before doing the shutdown -r now command.
This machine is a dual P2/300 w/320MB memory and no bigmem support
compiled in. NFS is compiled into the kernel (not a module) as is the
eepro100 network driver.
--Scott
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