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SubjectInvalid operand with 2.4.11
Hi

I am using a SuSE 7.2 distro. When I'm starting their yast2, it crashes
reliably and leaves this message in the log (run through ksymoops):

ksymoops 2.4.1 on i686 2.4.11. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.11/ (default)
-m /boot/System.map-2.4.11 (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

Warning (compare_maps): snd symbol pm_register not found in
/lib/modules/2.4.11/misc/snd.o. Ignoring /lib/modules/2.4.11/misc/snd.o
entry
Warning (compare_maps): snd symbol pm_send not found in
/lib/modules/2.4.11/misc/snd.o. Ignoring /lib/modules/2.4.11/misc/snd.o
entry
Warning (compare_maps): snd symbol pm_unregister not found in
/lib/modules/2.4.11/misc/snd.o. Ignoring /lib/modules/2.4.11/misc/snd.o
entry
Warning (compare_maps): mismatch on symbol icmpv6_socket , ipv6 says
e0a17080, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14d60.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol icmpv6_statistics , ipv6 says
e0a16f80, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14c60.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol inet6_dev_count , ipv6 says
e0a16ae0, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a147c0.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol inet6_ifa_count , ipv6 says
e0a16ae4, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a147c4.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol inet6_protos , ipv6 says
e0a16f00, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14be0.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol inetsw6 , ipv6 says e0a16a80,
/lib/modules/2.4.11/kernel/net/ipv6/ipv6.o
says e0a14760. Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol ip6_ra_chain , ipv6 says
e0a16d80, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14a60.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol ipv6_statistics , ipv6 says
e0a16c80, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14960.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol raw_v6_htable , ipv6 says
e0a16e80, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14b60.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol rt6_stats , ipv6 says
e0a16c48, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14928.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Warning (compare_maps): mismatch on symbol udp_stats_in6 , ipv6 says
e0a16e00, /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o says e0a14ae0.
Ignoring /lib/modules/2.4.11/kernel/net/ipv6/ipv6.o entry
Oct 10 20:54:39 eduard kernel: invalid operand: 0000
Oct 10 20:54:39 eduard kernel: CPU: 0
Oct 10 20:54:39 eduard kernel: EIP: 0010:[kmem_cache_free+82/464]
Not tainted
Oct 10 20:54:39 eduard kernel: EFLAGS: 00010286
Oct 10 20:54:39 eduard kernel: eax: 0000001d ebx: 00558280 ecx:
d5f5e000 edx: d707a304
Oct 10 20:54:39 eduard kernel: esi: d560a003 edi: d568871c ebp:
c18062e0 esp: d5f5ff10
Oct 10 20:54:39 eduard kernel: ds: 0018 es: 0018 ss: 0018
Oct 10 20:54:39 eduard kernel: Process y2bignfat (pid: 902,
stackpage=d5f5f000)
Oct 10 20:54:39 eduard kernel: Stack: c0221262 d560a003 d5f5ff94 ffffffd8
d568871c d5f5ff8c d5609084 d5688790
Oct 10 20:54:39 eduard kernel: d5f5ff94 ffffffd8 c013a4f4 c18062e0
d560a003 d5f5ff94 d568871c 000001a4
Oct 10 20:54:39 eduard kernel: def33000 00000241 bfffd2f8 d5f5ff94
00000001 00000002 d5688790 c013062b
Oct 10 20:54:39 eduard kernel: Call Trace: [open_namei+1300/1328]
[filp_open+59/96] [sys_open+54/160] [system_call+51/56]
Oct 10 20:54:39 eduard kernel: Code: 0f 0b 83 c4 08 a1 2c 5c 2a c0 3b 2c
18 74 02 0f 0b 9c 8f 44
Using defaults from ksymoops -t elf32-i386 -a i386

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 83 c4 08 add $0x8,%esp
Code; 00000005 Before first symbol
5: a1 2c 5c 2a c0 mov 0xc02a5c2c,%eax
Code; 0000000a Before first symbol
a: 3b 2c 18 cmp (%eax,%ebx,1),%ebp
Code; 0000000d Before first symbol
d: 74 02 je 11 <_EIP+0x11> 00000011 Before
first symbol
Code; 0000000f Before first symbol
f: 0f 0b ud2a
Code; 00000011 Before first symbol
11: 9c pushf
Code; 00000012 Before first symbol
12: 8f 44 00 00 popl 0x0(%eax,%eax,1)

15 warnings issued. Results may not be reliable.


This did not happen with any kernel before ( 2.2.19 and 2.4.4-10 + some
pre ). gcc is:
Reading specs from /usr/lib/gcc-lib/i486-suse-linux/2.95.3/specs
gcc version 2.95.3 20010315 (SuSE)

It was compiled for an Athlon/Duron/K7.

The process y2bignfat is started as a subroutine by yast2. It is an normal
ELF-executable.


Peter B


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