Re: Oops on 2.6.24.2 "rmmod fan" && "rmmod 8250_pnp"

From: Andrew Morton
Date: Mon Feb 18 2008 - 08:00:52 EST


On Fri, 15 Feb 2008 00:34:19 +0000 linux-kernel@xxxxxxxxxxxxxxxx wrote:

> Hi,
>
> Just trying out 2.6.24.2 and in unloading some modules which I don't need
> managed to generate kernel oopsii. My apologies if these had been reported,
> I did a search and didn't see any other reports.
>
> rmmod fan gives:
>
> Feb 14 19:02:22 nike kernel: [ 150.012343] WARNING: at fs/proc/generic.c:736 remove_proc_entry()
> Feb 14 19:02:22 nike kernel: [ 150.012379] Pid: 3570, comm: rmmod Not tainted 2.6.24.2 #1
> Feb 14 19:02:22 nike kernel: [ 150.012465]
> Feb 14 19:02:22 nike kernel: [ 150.012466] Call Trace:
> Feb 14 19:02:22 nike kernel: [ 150.012536] [<ffffffff802ea0db>] remove_proc_entry+0x198/0x1df
> Feb 14 19:02:22 nike kernel: [ 150.012587] [<ffffffff8032a8de>] kobject_release+0x0/0xf
> Feb 14 19:02:22 nike kernel: [ 150.012619] [<ffffffff8032a8eb>] kobject_release+0xd/0xf
> Feb 14 19:02:22 nike kernel: [ 150.012650] [<ffffffff8032b906>] kref_put+0x5f/0x6b
> Feb 14 19:02:22 nike kernel: [ 150.012682] [<ffffffff8032a844>] kobject_put+0x19/0x1b
> Feb 14 19:02:22 nike kernel: [ 150.012714] [<ffffffff803988aa>] bus_put+0xd/0xf
> Feb 14 19:02:22 nike kernel: [ 150.012746] [<ffffffff80398966>] bus_remove_driver+0xba/0xc3
> Feb 14 19:02:22 nike kernel: [ 150.012783] [<ffffffff881e3367>] :fan:acpi_fan_exit+0x23/0x25
> Feb 14 19:02:22 nike kernel: [ 150.012815] [<ffffffff80264c1d>] sys_delete_module+0x1b0/0x1e3
> Feb 14 19:02:22 nike kernel: [ 150.012851] [<ffffffff8020f707>] syscall_trace_enter+0xb7/0xbb
> Feb 14 19:02:22 nike kernel: [ 150.012885] [<ffffffff8020c21a>] tracesys+0xdc/0xe1
> Feb 14 19:02:22 nike kernel: [ 150.012920]

Alexey touched it last! Might be acpi doing something bad.


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