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SubjectOops/Aiee in 2.4.14 when unloading PCMCIA modules
Hi,

I get an oops every time when I stop PCMCIA with
cardctl eject; killproc /sbin/cardmgr; lsmod
With a "sleep 2" before lsmod it does not happen. I tried kernel
2.4.1[34] with modutils 2.4.{2,10}, pcmcia-cs-3.1.29.

The lsmod before unloading:
Module Size Used by
serial_cb 1268 1
tulip_cb 32608 2
cb_enabler 2720 4 [serial_cb tulip_cb]
ds 6944 2 [cb_enabler]
i82365 23312 2
pcmcia_core 43104 0 [cb_enabler ds i82365]
apm 8768 1
ide-disk 6624 6
ide-probe-mod 7696 0
ide-mod 60460 6 [ide-disk ide-probe-mod]

The lspci for the PCMCIA card:
06:00.0 Non-VGA unclassified device: Xircom Cardbus Ethernet 10/100
Flags: fast devsel, IRQ 9
[virtual] I/O ports at 0200 [disabled]
[virtual] Memory at 60013000 (32-bit, non-prefetchable) [disabled]
[virtual] Memory at 60012000 (32-bit, non-prefetchable) [disabled]
Expansion ROM at 6000c000 [disabled]

06:00.1 Non-VGA unclassified device: Xircom Cardbus Ethernet + 56k Modem
Flags: fast devsel, IRQ 9
[virtual] I/O ports at 0280 [disabled]
[virtual] Memory at 60011000 (32-bit, non-prefetchable) [disabled]
[virtual] Memory at 60010000 (32-bit, non-prefetchable) [disabled]
Expansion ROM at 60008000 [disabled]

Below the ksymoops. (Is the compare_maps warning due to loading the ide
modules in initrd?) It is tainted from the PCMCIA modules.

I can make more tests if needed or provide more data.
Thanks for any help.

Regards,
Thomas

ksymoops 2.4.0 on i686 2.4.14a. Options used
-V (default)
-k /proc/ksyms (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.14a/ (default)
-m /boot/System.map-2.4.14a (default)

Warning (compare_maps): mismatch on symbol ide_devfs_handle , ide-mod says c8824be0, /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o says c88240b0. Ignoring /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o entry
Warning (compare_maps): mismatch on symbol ide_hwifs , ide-mod says c8822d40, /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o says c8822210. Ignoring /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o entry
Warning (compare_maps): mismatch on symbol ide_probe , ide-mod says c8822d20, /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o says c88221f0. Ignoring /lib/modules/2.4.14a/kernel/drivers/ide/ide-mod.o entry
Oops: 0002
CPU: 0
EIP: 0010:[<c011933c>] Tainted: P
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010002
eax: 00000ce0 ebx: 00001000 ecx: c778a510 edx: 00000610
esi: 00000002 edi: 00000000 ebp: c02165c0 esp: c6663f58
ds: 0018 es: 0018 ss: 0018
Process pcmcia (pid: 1003, stackpage=c6663000)
Stack: 00000000 c02165a0 00000000 c02165c0 c6663fc4 c01193cf c010ac96 c0116406
c0116340 00000000 00000001 c02165c0 fffffffe c011616a c02165c0 00000000
c0214900 00000000 c6663fbc 00000046 c010817d 00000000 080caa18 00000000
Call Trace: [<c01193cf>] [<c010ac96>] [<c0116406>] [<c0116340>] [<c011616a>]
[<c010817d>] [<c0109f48>]
Code: 89 42 04 89 10 c7 41 04 00 00 00 00 c7 01 00 00 00 00 fb 53

>>EIP; c011933c <timer_bh+228/27c> <=====
Trace; c01193cf <do_timer+3f/70>
Trace; c010ac96 <timer_interrupt+62/110>
Trace; c0116406 <bh_action+1a/48>
Trace; c0116340 <tasklet_hi_action+40/60>
Trace; c011616a <do_softirq+5a/ac>
Trace; c010817d <do_IRQ+a1/b4>
Trace; c0109f48 <call_do_IRQ+5/d>
Code; c011933c <timer_bh+228/27c>
00000000 <_EIP>:
Code; c011933c <timer_bh+228/27c> <=====
0: 89 42 04 mov %eax,0x4(%edx) <=====
Code; c011933f <timer_bh+22b/27c>
3: 89 10 mov %edx,(%eax)
Code; c0119341 <timer_bh+22d/27c>
5: c7 41 04 00 00 00 00 movl $0x0,0x4(%ecx)
Code; c0119348 <timer_bh+234/27c>
c: c7 01 00 00 00 00 movl $0x0,(%ecx)
Code; c011934e <timer_bh+23a/27c>
12: fb sti
Code; c011934f <timer_bh+23b/27c>
13: 53 push %ebx

<0>Kernel panic: Aiee, killing interrupt handler!

3 warnings issued. Results may not be reliable.
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