https://bugzilla.kernel.org/show_bug.cgi?id=35642

           Summary: On resume, I sometimes get a kernel oops with
                    led_trigger_unregister_simple
           Product: ACPI
           Version: 2.5
    Kernel Version: 2.6.39
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Power-Battery
        AssignedTo: acpi_power-batt...@kernel-bugs.osdl.org
        ReportedBy: s...@lutzhaase.com
        Regression: Yes


Created an attachment (id=59042)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=59042)
relevant kernel.log section

On kernel 2.6.39, I sometimes get the attached oops during resume. The log I
attached contains the complete sleep-resume cycle and as you can see, I'm
suspending into memory. I'm certainly no kernel hacker but from what the trace
lets me guess, conky (which also tries to get battery level for me) explodes
the kernel on resume since it can't find a battery? My battery is usually not
inserted.

It appears to be a regression as I cannot remember seeing this in 2.6.28 or
earlier.

Relevant system info and software: 
software: conky, kde4, kde4 battery monitor
uname -a: Linux smith 2.6.39-ARCH #1 SMP PREEMPT Fri May 20 11:33:59 CEST 2011
x86_64 Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz GenuineIntel GNU/Linux
distro: Arch Linux x86_64

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