Re: 2.6.6, usb speedtouch, sleep
On Fri, 2004-05-14 at 04:05, Cedric Pradalier wrote:
> Hi,
>
> Everything works fine on my ibook with 2.6.5. I just tested 2.6.6. A
> small hic appears when awaking from sleep. I use a speedtouch modem,
> with the modem_run tool but not the kernel module.
>
> With 2.6.5, when I want to put the machine to sleep, I stop pppd and
> modem_run. Then I call snooze. When awaking, I just restart modem_run
> and launch pppd..
>
> With 2.6.6, I got a oops restarting modem_run. I tried also to remove
> usb modules, after awaking. The oops occurs when removing ohci_hcd.
Can you report that to the linux-usb list ?
> May 13 19:41:13 ceruse kernel: usbcore: deregistering driver hid
> May 13 19:41:21 ceruse kernel: ohci_hcd 0001:01:18.0: remove, state 1
> May 13 19:41:21 ceruse kernel: usb usb1: USB disconnect, address 1
> May 13 19:41:21 ceruse kernel: usb 1-1: USB disconnect, address 2
> May 13 19:41:21 ceruse kernel: Oops: kernel access of bad area, sig: 11 [#1]
> May 13 19:41:21 ceruse kernel: NIP: DA189A28 LR: DA180114 SP: D7553CC0 REGS: d7553c10 TRAP: 0301 Not tainted
> May 13 19:41:21 ceruse kernel: MSR: 00001032 EE: 0 PR: 0 FP: 0 ME: 1 IR/DR: 11
> May 13 19:41:21 ceruse kernel: DAR: 00000000, DSISR: 42000000
> May 13 19:41:21 ceruse kernel: TASK = d689a4e0[11968] 'rmmod' THREAD: d7552000Last syscall: 129
> May 13 19:41:21 ceruse kernel: GPR00: C020DA10 D7553CC0 D689A4E0 D68C2A78 D68C2A98 00000000 00000000 D78F8EE4
> May 13 19:41:21 ceruse kernel: GPR08: 00009032 C020DA10 00000000 00000000 FFFFFFFA
> May 13 19:41:21 ceruse kernel: NIP [da189a28] destroy_async+0x3c/0xdc [usbcore]
> May 13 19:41:21 ceruse kernel: LR [da180114] usb_unbind_interface+0x88/0x8c [usbcore]
> May 13 19:41:21 ceruse kernel: Call trace:
> May 13 19:41:21 ceruse kernel: [da180114] usb_unbind_interface+0x88/0x8c [usbcore]
> May 13 19:41:21 ceruse kernel: [c00f2868] device_release_driver+0x84/0x88
> May 13 19:41:21 ceruse kernel: [c00f2a08] bus_remove_device+0x74/0xd0
> May 13 19:41:21 ceruse kernel: [c00f13e4] device_del+0xa8/0x114
> May 13 19:41:21 ceruse kernel: [c00f1468] device_unregister+0x18/0x30
> May 13 19:41:21 ceruse kernel: [da186968] usb_disable_device+0x9c/0xd8 [usbcore]
> May 13 19:41:21 ceruse kernel: [da180e58] usb_disconnect+0x9c/0x134 [usbcore]
> May 13 19:41:21 ceruse kernel: [da180ee0] usb_disconnect+0x124/0x134 [usbcore]
> May 13 19:41:21 ceruse kernel: [da1892b0] usb_hcd_pci_remove+0x7c/0x164 [usbcore]
> May 13 19:41:21 ceruse kernel: [c00d4758] pci_device_remove+0x60/0x64
> May 13 19:41:21 ceruse kernel: [c00f2868] device_release_driver+0x84/0x88
> May 13 19:41:21 ceruse kernel: [c00f2898] driver_detach+0x2c/0x50
> May 13 19:41:21 ceruse kernel: [c00f2b94] bus_remove_driver+0x50/0xa8
> May 13 19:41:21 ceruse kernel: [c00f2f7c] driver_unregister+0x18/0x78
> May 13 19:41:21 ceruse kernel: [c00d49a8] pci_unregister_driver+0x1c/0x34
>
> I can make some other tests if needed. Any idea ?
>
> The strange thing is that the oops reset the backlight...
Yes, this is a "feature" of the oops code ;)
Ben.
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