Date: Sun, 15 Feb 2009 17:48:39 GMT From: Rene Ladan <rene@FreeBSD.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/131718: [lor] kern_sysctl.c / acpi_video.c Message-ID: <200902151748.n1FHmdhW087098@www.freebsd.org> Resent-Message-ID: <200902151750.n1FHo2or056309@freefall.freebsd.org>
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>Number: 131718 >Category: kern >Synopsis: [lor] kern_sysctl.c / acpi_video.c >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Feb 15 17:50:02 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Rene Ladan >Release: 8.0-CURRENT i386 r188644 >Organization: >Environment: FreeBSD eee 8.0-CURRENT FreeBSD 8.0-CURRENT #1 r188644: Sun Feb 15 17:06:01 CET 2009 root@self.rene-ladan.nl:/usr/head/obj/i386/usr/head/src/sys/EEE_HEAD i386 >Description: LOR, seen on Asus EEE 901: lock order reversal: 1st 0xc09b96e4 sysctl lock (sysctl lock) @ /usr/head/src/sys/kern/kern_sysctl.c:1510 2nd 0xc09a4edc ACPI video (ACPI video) @ /usr/head/src/sys/dev/acpica/acpi_video.c:627 KDB: stack backtrace: db_trace_self_wrapper(c0915f2b,e6791aac,c060f6a5,4,c091148e,...) at db_trace_self_wrapper+0x26 kdb_backtrace(4,c091148e,c4117ad0,c4118de8,e6791b08,...) at kdb_backtrace+0x29 _witness_debugger(c0918c84,c09a4edc,c08f008d,c4118de8,c08efce4,...) at _witness_debugger+0x25 witness_checkorder(c09a4edc,9,c08efce4,273,0,...) at witness_checkorder+0x839 _sx_xlock(c09a4edc,0,c08efce4,273,0,...) at _sx_xlock+0x85 acpi_video_vo_active_sysctl(c429ce40,c429d040,0,e6791ba4,e6791ba4,...) at acpi_video_vo_active_sysctl+0x47 sysctl_root(e6791ba4,0,c091388f,5e6,c459cb40,...) at sysctl_root+0x199 userland_sysctl(c459cb40,e6791c10,5,0,bfbfdc90,...) at userland_sysctl+0x115 __sysctl(c459cb40,e6791cf8,18,c0919a9d,c0968730,...) at __sysctl+0x94 syscall(e6791d38) at syscall+0x2a3 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (202, FreeBSD ELF32, __sysctl), eip = 0x2816ff6f, esp = 0xbfbfdb9c, ebp = 0xbfbfdbc8 --- >How-To-Repeat: boot the Eee 901, running a kernel with options VESA device vga device agp device drm device i195drm device acpi_asus device acpi_video >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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