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Subject[2.5.7] Oops while connecting a device to USB port (khubd)
Oops is happening when I'm loading a module while having scanner 
connected to USB (HP SJ 4470c) or when the module is already loaded and
i'm connecting the scanner. It does not depend on usb modularization: if
usb is in core, oopsa happens at boot time.
WK
P.S. ksymoops output in attachment
ksymoops 2.4.4 on i686 2.5.7. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.5.7/ (default)
-m /boot/System.map-2.5.7 (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): ksyms_base symbol idle_cpu_R__ver_idle_cpu not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol ip_ct_attach_R__ver_ip_ct_attach not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol ip_route_me_harder_R__ver_ip_route_me_harder not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol netlink_attach_R__ver_netlink_attach not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol netlink_detach_R__ver_netlink_detach not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol netlink_post_R__ver_netlink_post not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_getsockopt_R__ver_nf_getsockopt not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_hook_slow_R__ver_nf_hook_slow not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_hooks_R__ver_nf_hooks not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_register_hook_R__ver_nf_register_hook not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_register_queue_handler_R__ver_nf_register_queue_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_register_sockopt_R__ver_nf_register_sockopt not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_reinject_R__ver_nf_reinject not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_setsockopt_R__ver_nf_setsockopt not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_unregister_hook_R__ver_nf_unregister_hook not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_unregister_queue_handler_R__ver_nf_unregister_queue_handler not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol nf_unregister_sockopt_R__ver_nf_unregister_sockopt not found in System.map. Ignoring ksyms_base entry
Warning (compare_maps): ksyms_base symbol vmalloc_to_page_R__ver_vmalloc_to_page not found in System.map. Ignoring ksyms_base entry
Oops: 0000
CPU: 0
EIP: 0010:[<e391a3ff>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010082
eax: a7a7a7a7 ebx: a7a7a7d3 ecx: df24339c edx: de90c030
esi: de90f18c edi: de90c030 ebp: de90c030 esp: de9d9e18
ds: 0018 es: 0018 ss: 0018
Stack: de9d8000 00000046 ffe80069 00000000 e391a4a3 df24339c de90c030
df553cf4
00e0002d de90d210 e391af47 df24339c de90c030 df553cf4 de90c0c0
df553cf4
00000001 df249000 df553cf4 ffffffea 00000286 00000000 00000008
18800000
Call Trace: [<e391a4a3>] [<e391af47>] [<e391bed6>] [<e3909ccb>] [<e3909ddf>]
[<e3909f5f>] [<e3909ffb>] [<e390adb2>] [<e390b80e>] [<e390d0fb>]
[<e3917104>]
[<e390d2b9>] [<e39153ca>] [<e391712c>] [<e390d477>] [<c0107188>]
Code: 8b 48 2c 39 cb 74 16 8d 41 d4 8b 50 10 8b 46 10 8b 09 8b 40

>>EIP; e391a3ff <[uhci]_uhci_insert_qh+1f/a0> <=====
Trace; e391a4a3 <[uhci]uhci_insert_qh+23/40>
Trace; e391af47 <[uhci]uhci_submit_control+257/280>
Trace; e391bed6 <[uhci]uhci_submit_urb+166/2b0>
Trace; e3909ccb <[usbcore]usb_submit_urb+2b/40>
Trace; e3909ddf <[usbcore]usb_start_wait_urb+9f/1c0>
Trace; e3909f5f <[usbcore]usb_internal_control_msg+5f/80>
Trace; e3909ffb <[usbcore]usb_control_msg+7b/a0>
Trace; e390adb2 <[usbcore]usb_set_address+22/30>
Trace; e390b80e <[usbcore]usb_new_device+1e/1b0>
Trace; e390d0fb <[usbcore]usb_hub_port_connect_change+21b/2c0>
Trace; e3917104 <[usbcore]usb_address0_sem+0/14>
Trace; e390d2b9 <[usbcore]usb_hub_events+119/2a0>
Trace; e39153ca <[usbcore].rodata.start+1f4a/1f4c>
Trace; e391712c <[usbcore]khubd_wait+4/c>
Trace; e390d477 <[usbcore]usb_hub_thread+37/90>
Trace; c0107188 <kernel_thread+28/40>
Code; e391a3ff <[uhci]_uhci_insert_qh+1f/a0>
00000000 <_EIP>:
Code; e391a3ff <[uhci]_uhci_insert_qh+1f/a0> <=====
0: 8b 48 2c mov 0x2c(%eax),%ecx <=====
Code; e391a402 <[uhci]_uhci_insert_qh+22/a0>
3: 39 cb cmp %ecx,%ebx
Code; e391a404 <[uhci]_uhci_insert_qh+24/a0>
5: 74 16 je 1d <_EIP+0x1d> e391a41c <[uhci]_uhci_insert_qh+3c/a0>
Code; e391a406 <[uhci]_uhci_insert_qh+26/a0>
7: 8d 41 d4 lea 0xffffffd4(%ecx),%eax
Code; e391a409 <[uhci]_uhci_insert_qh+29/a0>
a: 8b 50 10 mov 0x10(%eax),%edx
Code; e391a40c <[uhci]_uhci_insert_qh+2c/a0>
d: 8b 46 10 mov 0x10(%esi),%eax
Code; e391a40f <[uhci]_uhci_insert_qh+2f/a0>
10: 8b 09 mov (%ecx),%ecx
Code; e391a411 <[uhci]_uhci_insert_qh+31/a0>
12: 8b 40 00 mov 0x0(%eax),%eax


19 warnings issued. Results may not be reliable.
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