On Mon, Mar 24, 2003 at 05:25:19PM +0100, Dominik Brodowski wrote:
> Hi Stelian,
>
> Thanks for your bug report. Let me analyze it a bit:
>
> > ds: no socket drivers loaded!
>
> ds.o is loaded for the first time, but fails as the yenta-socket driver was
> not loaded before
>
> > pcnet_cs: Unknown symbol pcmcia_unregister_driver
> > pcnet_cs: Unknown symbol pcmcia_register_driver
>
> This is strange. There is an EXPORT_SYMBOL(pcmcia_register_driver) ...
> maybe gets away after a "make clean"... not worriesome, though; as the
> loading continues.
I did a make mrproper before compiling it. I could do it again but
it would take some time. But I agree it is strance.
> > kobject pcmcia: registering. parent: <NULL>, set: bus
> ds.o is loaded for the second time; and pcmcia_bus_type is to be added
> again. Due to a bug in ds.c it didn't get unregistered in the failed loading
> of ds.o - the attached patch should fix it. Could you please try it?
It does something for sure, but not enough to get it work:
------------------8<-------------------------8<----------------
Linux Kernel Card Services 3.1.22
options: [pci] [cardbus] [pm]
subsystem pcmcia_socket: registering
kobject pcmcia_socket: registering. parent: <NULL>, set: class
kobject devices: registering. parent: pcmcia_socket, set: <NULL>
kobject drivers: registering. parent: pcmcia_socket, set: <NULL>
subsystem pcmcia: registering
kobject pcmcia: registering. parent: <NULL>, set: bus
kobject devices: registering. parent: pcmcia, set: <NULL>
kobject drivers: registering. parent: pcmcia, set: <NULL>
ds: no socket drivers loaded!
kobject drivers: unregistering
kobject drivers: cleaning up
kobject devices: unregistering
kobject devices: cleaning up
subsystem pcmcia: unregistering
kobject pcmcia: unregistering
kobject pcmcia: cleaning up
Unable to handle kernel NULL pointer dereference at virtual address 00000068
printing eip:
c01b8855
*pde = 00000000
Oops: 0000 [#1]
CPU: 0
EIP: 0060:[<c01b8855>] Not tainted
EFLAGS: 00010202
EIP is at kobject_get+0x15/0x50
eax: c5ca0000 ebx: 00000058 ecx: 00000000 edx: c79a5c94
esi: c79a47b8 edi: c79a5cc0 ebp: c5ca1f00 esp: c5ca1efc
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 603, threadinfo=c5ca0000 task=c6a8c6c0)
Stack: c79a5cb0 c5ca1f10 c01b857e 00000058 c79a5cb0 c5ca1f2c c01b8778 c79a5cb0
c79a5d00 c5ca1f2c c021286f c79a5cb0 c5ca1f4c c0212697 c79a5cb0 00000000
fffffffc c79a5d00 c02debd8 c02debd8 c5ca1f68 c0212ba1 c79a5c94 00000000
Call Trace:
[<c79a5cb0>] pcnet_driver+0x30/0x80 [pcnet_cs]
[<c01b857e>] kobject_init+0x2e/0x50
[<c79a5cb0>] pcnet_driver+0x30/0x80 [pcnet_cs]
[<c01b8778>] kobject_register+0x18/0x70
[<c79a5cb0>] pcnet_driver+0x30/0x80 [pcnet_cs]
[<c79a5d00>] +0x0/0x100 [pcnet_cs]
[<c021286f>] get_bus+0x1f/0x40
[<c79a5cb0>] pcnet_driver+0x30/0x80 [pcnet_cs]
[<c0212697>] bus_add_driver+0x57/0xf0
[<c79a5cb0>] pcnet_driver+0x30/0x80 [pcnet_cs]
[<c79a5d00>] +0x0/0x100 [pcnet_cs]
[<c0212ba1>] driver_register+0x31/0x40
[<c79a5c94>] pcnet_driver+0x14/0x80 [pcnet_cs]
[<c79a5d00>] +0x0/0x100 [pcnet_cs]
[<c7951043>] +0x43/0x47 [pcnet_cs]
[<c79a5c94>] pcnet_driver+0x14/0x80 [pcnet_cs]
[<c79941c0>] +0x1e0/0x3a0 [pcmcia_core]
[<c0135c5a>] sys_init_module+0x15a/0x240
[<c010b25b>] syscall_call+0x7/0xb
Code: 8b 43 10 85 c0 7e 24 ff 43 10 b8 00 e0 ff ff 21 e0 ff 48 14
<6>note: modprobe[603] exited with preempt_count 1
kobject cardbus: registering. parent: <NULL>, set: drivers
Yenta IRQ list 0cb8, PCI irq9
Socket status: 30000419
------------------8<-------------------------8<----------------
>
> It is strange, though, that you nonetheless managed to get it to work with
> "inadvertedly modified" timings...
The bug is probably somewhere else, I guess...
Thanks,
Stelian.
-- Stelian Pop <stelian.pop@fr.alcove.com> Alcove - http://www.alcove.com - 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/
This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:16 EST