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[1.] One line summary of the problem:
Oops in cached_lookup() in 2.4.7.
[2.] Full description of the problem/report:
When running updatedb at night, the find process causes an oops. No other
process causes an oops. All Linux versions up to 2.4.6 were fine, but 2.4.7
is not.
[3.] Keywords (i.e., modules, networking, kernel):
oops, filesystem, find.
[4.] Kernel version (from /proc/version):
2.4.7
[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)
ksymoops 2.4.0 on i586 2.4.6. Options used
-v /usr/src/linux/vmlinux (specified)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.7/ (specified)
-m /System.map.2.4.7 (specified)
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Jul 27 16:48:17 dexter kernel: Unable to handle kernel paging request at virtual address 80000004
Jul 27 16:48:17 dexter kernel: c0134dc6
Jul 27 16:48:17 dexter kernel: *pde = 00000000
Jul 27 16:48:17 dexter kernel: Oops: 0000
Jul 27 16:48:17 dexter kernel: CPU: 0
Jul 27 16:48:17 dexter kernel: EIP: 0010:[path_walk+1262/1864]
Jul 27 16:48:17 dexter kernel: EFLAGS: 00010286
Jul 27 16:48:17 dexter kernel: eax: 80000000 ebx: c57dbf68 ecx: 0c340b5a edx: c5ea10c0
Jul 27 16:48:17 dexter kernel: esi: 00000000 edi: c154bbe0 ebp: c57dbfa4 esp: c57dbf4c
Jul 27 16:48:17 dexter kernel: ds: 0018 es: 0018 ss: 0018
Jul 27 16:48:17 dexter kernel: Process find (pid: 2832, stackpage=c57db000)
Jul 27 16:48:17 dexter kernel: Stack: c9f20000 00000000 c57dbfa4 bffff2cc c01344fe 00000008 00000000 c9f20000
Jul 27 16:48:17 dexter kernel: 0000000f 0c340b5a c01353d6 c9f2000f c57dbfa4 c57dbfa4 40149e30 0805e3af
Jul 27 16:48:17 dexter kernel: c0132695 0805e3af 00000008 c57dbfa4 c57da000 40149e30 c5ea10c0 c13353c0
Jul 27 16:48:17 dexter kernel: Call Trace: [getname+94/156] [__user_walk+58/84] [sys_lstat64+21/108] [sys_close+67/84] [system_call+51/64]
Jul 27 16:48:17 dexter kernel: Code: 8b 40 04 85 c0 74 11 53 52 ff d0 89 c6 83 c4 08 85 f6 0f 8c
Using defaults from ksymoops -t elf32-i386 -a i386
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 8b 40 04 mov 0x4(%eax),%eax
Code; 00000003 Before first symbol
3: 85 c0 test %eax,%eax
Code; 00000005 Before first symbol
5: 74 11 je 18 <_EIP+0x18> 00000018 Before first symbol
Code; 00000007 Before first symbol
7: 53 push %ebx
Code; 00000008 Before first symbol
8: 52 push %edx
Code; 00000009 Before first symbol
9: ff d0 call *%eax
Code; 0000000b Before first symbol
b: 89 c6 mov %eax,%esi
Code; 0000000d Before first symbol
d: 83 c4 08 add $0x8,%esp
Code; 00000010 Before first symbol
10: 85 f6 test %esi,%esi
Code; 00000012 Before first symbol
12: 0f 8c 00 00 00 00 jl 18 <_EIP+0x18> 00000018 Before first symbol
Jul 28 00:18:07 dexter kernel: Unable to handle kernel paging request at virtual address 80000000
Jul 28 00:18:07 dexter kernel: c01346d2
Jul 28 00:18:07 dexter kernel: *pde = 00000000
Jul 28 00:18:07 dexter kernel: Oops: 0000
Jul 28 00:18:07 dexter kernel: CPU: 0
Jul 28 00:18:07 dexter kernel: EIP: 0010:[cached_lookup+30/80]
Jul 28 00:18:07 dexter kernel: EFLAGS: 00010286
Jul 28 00:18:07 dexter kernel: eax: 80000000 ebx: c5ea10c0 ecx: 00000000 edx: 00000006
Jul 28 00:18:07 dexter kernel: esi: 00000000 edi: c1554080 ebp: c38fdfa4 esp: c38fdf38
Jul 28 00:18:07 dexter kernel: ds: 0018 es: 0018 ss: 0018
Jul 28 00:18:07 dexter kernel: Process find (pid: 5225, stackpage=c38fd000)
Jul 28 00:18:07 dexter kernel: Stack: c38fdf68 c0134de9 c6292a20 c38fdf68 00000000 c3242000 00000000 c38fdfa4
Jul 28 00:18:07 dexter kernel: bffff5cc c01344fe 00000008 00000000 c3242000 00000006 da68846c c01353d6
Jul 28 00:18:07 dexter kernel: c3242006 c38fdfa4 c38fdfa4 40149e30 0805de70 c0132695 0805de70 00000008
Jul 28 00:18:07 dexter kernel: Call Trace: [path_walk+1297/1864] [getname+94/156] [__user_walk+58/84] [sys_lstat64+21/108] [sys_close+67/84] [system_call+51/64]
Jul 28 00:18:07 dexter kernel: Code: 8b 00 85 c0 74 26 ff 74 24 10 53 ff d0 83 c4 08 85 c0 75 18
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 8b 00 mov (%eax),%eax
Code; 00000002 Before first symbol
2: 85 c0 test %eax,%eax
Code; 00000004 Before first symbol
4: 74 26 je 2c <_EIP+0x2c> 0000002c Before first symbol
Code; 00000006 Before first symbol
6: ff 74 24 10 pushl 0x10(%esp,1)
Code; 0000000a Before first symbol
a: 53 push %ebx
Code; 0000000b Before first symbol
b: ff d0 call *%eax
Code; 0000000d Before first symbol
d: 83 c4 08 add $0x8,%esp
Code; 00000010 Before first symbol
10: 85 c0 test %eax,%eax
Code; 00000012 Before first symbol
12: 75 18 jne 2c <_EIP+0x2c> 0000002c Before first symbol
[6.] A small shell script or example program which triggers the
problem (if possible)
updatedb
[7.] Environment
Suse 7.1, pretty standard.
[7.1.] Software (add the output of the ver_linux script here)
If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
Linux dexter 2.4.6 #3 Wed Jul 4 11:17:49 CEST 2001 i586 unknown
Gnu C 2.95.2
Gnu make 3.79.1
binutils 2.10.0.33
util-linux 2.10q
mount 2.10q
modutils 2.4.2
e2fsprogs 1.19
pcmcia-cs 3.1.22
Linux C Library x 1 root root 1382179 Feb 28 22:21 /lib/libc.so.6
Dynamic linker (ldd) 2.2
Procps 2.0.7
Net-tools 1.57
Kbd 1.02
Sh-utils 2.0
Modules Loaded ne 8390 ipt_MASQUERADE ip_nat_ftp ipt_state ipt_LOG ipt_limit iptable_nat iptable_filter ip_conntrack_ftp ip_conntrack ip_tables tulip es1370 soundcore
(same modules loaded under 2.4.7)
[7.2.] Processor information (from /proc/cpuinfo):
processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 8
model name : AMD-K6(tm) 3D processor
stepping : 0
cpu MHz : 300.687
cache size : 64 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 mmx syscall 3dnow
bogomips : 599.65
A 300 Mhz AMD K6-2
[7.3.] Module information (from /proc/modules):
See output of ver_linux.
[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
[7.5.] PCI information ('lspci -vvv' as root)
[7.6.] SCSI information (from /proc/scsi/scsi)
[7.7.] Other information that might be relevant to the problem
(please look in /proc and include all information that you
think to be relevant):
[X.] Other notes, patches, fixes, workarounds:
Not applicable, AFAIK. Please mail for more info, I'm happy to provide it.
-- Erik Hensema (erik@hensema.xs4all.nl) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/