Date: Wed, 29 Dec 2004 18:24:07 +0100 From: Aurelien Nephtali <aurelien.nephtali@wanadoo.fr> To: current@freebsd.org Cc: acpi@freebsd.org Subject: exclusive sleep mutex acpica subsystem lock r = 0 (0xc14d5300)locked @ /usr/src,/sys/modules/acpi/acpi/../../../dev/acpica/Osd/OsdSynch.c:360 Message-ID: <41D2E837.8030105@wanadoo.fr>
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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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