Laurent Riffard <[email protected]> wrote:
>
> hello,
>
> Same kinds of problem here. It depends on the removed module. I mean:
> "rmmod loop" or "rmmod pcspkr" works. But "rmmod snd_ens1371" or "rmmod
> ohci1394" hangs.
>
> Sysrq-T when rmmoding snd_ens1371 :
>
> rmmod D C92EBE8C 0 8231 8159 (NOTLB)
> c92ebea0 00000082 00000003 c92ebe8c 00000000 5685fc00 000f4253 cd624530
> cd624658 cff60874 cff60844 c92ebebc c92ebef0 c02618c7 00000000
> cd624530
> c0113137 00000000 00000000 00000282 cd248c20 cd248c07 00000001
> cd624530
> Call Trace:
> [wait_for_completion+124/193] wait_for_completion+0x7c/0xc1
> [<c02618c7>] wait_for_completion+0x7c/0xc1
> [device_release_driver+52/116] device_release_driver+0x34/0x74
> [<c01f0ae3>] device_release_driver+0x34/0x74
> [__remove_driver+8/12] __remove_driver+0x8/0xc
> [<c01f0b2b>] __remove_driver+0x8/0xc
> [driver_for_each_device+50/87] driver_for_each_device+0x32/0x57
> [<c01f0bd8>] driver_for_each_device+0x32/0x57
> [driver_detach+17/19] driver_detach+0x11/0x13
> [<c01f0b40>] driver_detach+0x11/0x13
> [bus_remove_driver+76/130] bus_remove_driver+0x4c/0x82
> [<c01f05eb>] bus_remove_driver+0x4c/0x82
> [driver_unregister+14/23] driver_unregister+0xe/0x17
> [<c01f0cb2>] driver_unregister+0xe/0x17
> [pci_unregister_driver+14/23] pci_unregister_driver+0xe/0x17
> [<c019b242>] pci_unregister_driver+0xe/0x17
> [sys_delete_module+322/379] sys_delete_module+0x142/0x17b
> [<c0128356>] sys_delete_module+0x142/0x17b
It looks like we're getting stuck in the wait_for_completion() in the new
klist_remove().
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