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SubjectRe: 2.6.16-rc2-mm1
Martin Hermanowski <lkml@martin.mh57.de> wrote:
>
> Hi,
>
> 2.6.16-rc2-mm1 is running fine on my IBM notebook, but the hdaps module
> (acceleration sensor) does not work like I expected:
>
> ,----[ modprobe hdaps ]
> | Feb 11 21:24:26 nimrais kernel: hdaps: inverting axis readings.
> | Feb 11 21:24:26 nimrais kernel: hdaps: IBM ThinkPad T41p detected.
> | Feb 11 21:24:26 nimrais kernel: hdaps: driver successfully loaded.
> `----
>
> AFAIK the module should create sysfs files in
> /sys/devices/platform/hdaps/, but I see only `bus', `power' and
> `uevent'.
>
> When unloading the hdaps module, I get a BUG:
>
> ,----[ rmmod hdaps ]
> | Feb 11 21:24:49 nimrais kernel: <c011d8b6> release_resource+0x76/0x80 <c0265bf4> platform_device_del+0x44/0x60
> | Feb 11 21:24:49 nimrais kernel: <c0265c18> platform_device_unregister+0x8/0x10 <f9b9c8ed> hdaps_exit+0xd/0x25 [hdaps]
> | Feb 11 21:24:49 nimrais kernel: <f9b9c8e0> hdaps_exit+0x0/0x25 [hdaps] <c0132e05> sys_delete_module+0x145/0x1c0
> | Feb 11 21:24:49 nimrais kernel: <c0149901> remove_vma+0x41/0x50 <c014ab57> do_munmap+0x1a7/0x200
> | Feb 11 21:24:49 nimrais kernel: <c0102d91> syscall_call+0x7/0xb
> | Feb 11 21:24:49 nimrais kernel: hdaps: driver unloaded.
> `----
>
> Do you need more information?
>

Thanks, I'll drop hdaps-convert-to-the-new-platform-device-interface.patch,
which very likely to have caused this.

You could try reverting that patch (wget
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc2/2.6.16-rc2-mm1/broken-out/hdaps-convert-to-the-new-platform-device-interface.patch
; patch -p1 -R < hdaps-convert-to-the-new-platform-device-interface.patch) or please test next -mm, let us know?
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