http://bugzilla.kernel.org/show_bug.cgi?id=14096

           Summary: ACPI explodes in -next (ACPI video it seems)
           Product: ACPI
           Version: 2.5
    Kernel Version: linux-next
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Power-Video
        AssignedTo: acpi_power-vi...@kernel-bugs.osdl.org
        ReportedBy: alan-jenk...@tuffmail.co.uk
        Regression: No


This was still present in yesterdays acpi-test tree.


References: http://lkml.org/lkml/2009/7/20/422
Submitter:  Alan Cox <a...@lxorguk.ukuu.org.uk>
Patch:     
http://userweb.kernel.org/~akpm/mmotm/broken-out/acpi-fix-null-bug-for-hid-uid-string-2.patch

<quote>
Trace is during a modprobe

strcmp of NULL pointer from
acpi_device_probe + 0xA3/0x123
driver_probe_device
__driver_attach
bus_for_each_dev
driver_attach
__driver_attach
bus_add_driver
driver_register
acpi_bus_register_driver
acpi_video_register [video]
acpi_video_init [video]
_stext + 49
acpi_video_init + 0x0
..
..
sys_init_module

/sbin/modprobe -b acpi:LNXVIDEO: abnormal exit

</quote>

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