exclusive sleep mutex acpica subsystem lock r = 0 (0xc14d5300)locked @ /usr/src,/sys/modules/acpi/acpi/../../../dev/acpica/Osd/OsdSynch.c:360

From: Aurelien Nephtali (aurelien.nephtali_at_wanadoo.fr)
Date: 12/29/04

  • Next message: Kris Kennaway: "INVARIANTS panics on RELENG_5 and HEAD" 
    Date: Wed, 29 Dec 2004 18:24:07 +0100
To: current@freebsd.org

    Hi,

    I got this at boot with a fresh -CURRENT :

    Sleeping on "acsem" with the following non-sleepable locks held:
    exclusive sleep mutex acpica subsystem lock r = 0 (0xc14d5300) locked @
    /usr/src
    /sys/modules/acpi/acpi/../../../dev/acpica/Osd/OsdSynch.c:360
    KDB: stack backtrace:
    witness_warn(5,c14d5480,c082b6fb,c0a765dd,c9b7fbe8) at witness_warn+0x1a8
    msleep(c14d5480,c14d5480,100,c0a765dd,0) at msleep+0x37
    AcpiOsWaitSemaphore(c14d5480,1,ffff,c14dee00,1) at AcpiOsWaitSemaphore+0x140
    AcpiUtAcquireMutex(7,c14dee00,18,c9b7fc9c,c0a6a962) at
    AcpiUtAcquireMutex+0x55
    AcpiDisableGpe(0,18,1,c13ee520,c9b7fcb0) at AcpiDisableGpe+0x17
    EcGpeHandler(c14dee00,0,c14ee100,c9b7fce4,c0a4acb1) at EcGpeHandler+0x1a
    AcpiEvGpeDispatch(c13ee520,18,51,3,1000000) at AcpiEvGpeDispatch+0x81
    AcpiEvGpeDetect(c14f3650,c14f4c80,c9b7fd1c,c05ffb36,c14f3650) at
    AcpiEvGpeDetect
    +0xd1
    AcpiEvSciXruptHandler(c14f3650,0,0,c1423000,0) at AcpiEvSciXruptHandler+0x13
    ithread_loop(c141c900,c9b7fd48,c141c900,c05ff998,0) at ithread_loop+0x19e
    fork_exit(c05ff998,c141c900,c9b7fd48) at fork_exit+0x7e
    fork_trampoline() at fork_trampoline+0x8
    --- trap 0x1, eip = 0, esp = 0xc9b7fd7c, ebp = 0 ---

    naboo# uname -a
    FreeBSD naboo 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Wed Dec 29 10:00:40
    CET 2004 dak@naboo:/usr/obj/usr/src/sys/GENERIC i386 

    -- 
NEPHTALI 'dak' Aurelien
TEK2 - Promo 2008
06.19.84.90.10
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