Hi all, I have two usb-related problems with recent kernel:

1) I'm getting the following oops at shutdown with 2.6.6-rc1-mm1 (not
present in 2.6.5, I get this also in 2.6.6-rc2).

 printing eip:
 e0b817c4
 Oops: 0000 [#1]
 PREEMPT
 CPU:    0
 EIP:    0060:[<e0b817c4>]    Not tainted VLI
 EFLAGS: 00010017   (2.6.6-rc1-mm1)
 EIP is at destroy_async+0x24/0xd0 [usbcore]
 eax: d912a000   ebx: 00000000   ecx:
00000296   edx: df128cc0
 esi: d912a000   edi: df128cdc   ebp:
df128cc0   esp: d912bdfc
 ds: 007b   es: 007b   ss: 0068
 Process rmmod (pid: 4179,
threadinfo=d912a000 task=defcab70)
 Stack: de972c00 dea7ccc0 e0b8e820
df859400 df859424 e0b81959 df128cc0 df128cdc
 e0b780fa dea7ccc0 dea7ccc0 de463c00
dea7ccd0 e0b8e840 c01f8894 dea7ccd0
 dea7ccf8 dea7ccd0 df8594cc c01f89c5
dea7ccd0 dea7cd28 dea7ccd0 df8594cc
 Call Trace:
 [<e0b81959>] driver_disconnect+0x39/0x40 [usbcore]
 [<e0b780fa>] usb_unbind_interface+0x7a/0x80 [usbcore]
 [<c01f8894>] device_release_driver+0x64/0x70
 [<c01f89c5>] bus_remove_device+0x55/0xa0
 [<c01f792d>] device_del+0x5d/0xa0
 [<c01f7983>] device_unregister+0x13/0x30
 [<e0b7e45f>] usb_disable_device+0x6f/0xb0 [usbcore]
 [<e0b78c86>] usb_disconnect+0x96/0xf0 [usbcore]
 [<e0b78cc9>] usb_disconnect+0xd9/0xf0 [usbcore]
 [<e0b81090>] usb_hcd_pci_remove+0x80/0x180 [usbcore]
 [<c01bfd4b>] pci_device_remove+0x3b/0x40
 [<c01f8894>] device_release_driver+0x64/0x70
 [<c01f88c0>] driver_detach+0x20/0x30
 [<c01f8aed>] bus_remove_driver+0x3d/0x80
 [<c01f8f03>] driver_unregister+0x13/0x28
 [<c01bff26>] pci_unregister_driver+0x16/0x30
 [<e0b3e90f>] uhci_hcd_cleanup+0xf/0x61 [uhci_hcd]
 [<c012d981>] sys_delete_module+0x141/0x180
 [<c0142600>] do_munmap+0xb0/0x190
 [<c0104095>] sysenter_past_esp+0x52/0x71

 Code: 8d bc 27 00 00 00 00 55 57 56 53 83
ec 04 8b 6c 24 18 8b 7c 24 1c 9c 59 fa b8 00 e0 ff ff 21 e0 ff 40 14 8b
1f 39 fb 74 38 89 c6 <8b> 53 04 8b 03 89 50 04 89 02 89 5b 04 89 1b 51
9d 8b 46 08 ff

(Modules loaded: uhci_hcd,ehci_hcd,speedtch,ati_remote,usb_storage,usbcore)

2) Other than that (this looks also related to the recent usb update), my speedtouch driver doesn't work any more (2.6.5 did work) : modem_run now behaves as follows:

Apr 21 20:20:08 diablo kernel: usb 3-1: usbfs: interface 1 claimed while 'modem_run' sets config #1
Apr 21 20:20:08 diablo kernel: usb 3-1: usbfs: interface 2 claimed while 'modem_run' sets config #1
Apr 21 20:20:09 diablo modem_run[1907]: BLOCK3 : 762650 bytes uploaded : OK
Apr 21 20:20:09 diablo modem_run[1907]: BLOCK4 : 511 bytes downloaded : OK
Apr 21 20:20:10 diablo kernel: usb 3-1: usbfs: interface 0 claimed while 'modem_run' sets config #1
Apr 21 20:20:10 diablo kernel: usb 3-1: usbfs: interface 1 claimed while 'modem_run' sets config #1
Apr 21 20:20:10 diablo kernel: usb 3-1: usbfs: interface 2 claimed while 'modem_run' sets config #1
Apr 21 20:20:10 diablo modem_run[1907]: Found kernel mode driver
Apr 21 20:20:10 diablo modem_run[1907]: Modem reference : 3EC18607CAAB09
Apr 21 20:20:24 diablo modem_run[2229]: [monitoring report] ADSL link went up
Apr 21 20:20:40 diablo modem_run[1907]: ADSL synchronization has been obtained
Apr 21 20:20:40 diablo modem_run[1907]: ADSL line is up (4576 kbit/s down | 384 kbit/s up)
Apr 21 20:20:40 diablo modem_run[2229]: [monitoring report] ADSL link went down
Apr 21 20:20:41 diablo modem_run[2229]: Device disconnected, shutting down


On kernel 2.6.5 the last two messages are not present and everything works fine...


Please let me know if you need any further information (please CC: me on replies, I'm not on the list),


Vince



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