Date: Wed, 16 Jan 2008 14:04:39 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Norberto Meijome <freebsd@meijome.net> Cc: FreeBSD Stable ML <freebsd-stable@freebsd.org> Subject: Re: Kernel panic when kldunload acpi_video Message-ID: <Pine.BSF.3.96.1080116135207.24343A-100000@gaia.nimnet.asn.au> In-Reply-To: <20080116105453.72c0b78e@meijome.net>
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On Wed, 16 Jan 2008, Norberto Meijome wrote: > Hi guys, > I am not sure if this is acpi related or due to other issues. > > running latest FreeBSD (built yesterday from fresh sources : > > FreeBSD ayiin.xxx.com.au 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #14: > Wed Jan 16 01:38:57 EST 2008 > root@ayiin.xxx.com.au:/usr/obj/usr/src/sys/AYIIN i386 > > Hardware is Thinkpad z60m , 1.5 GB of RAM. dmesg (non verbose) is @ > end of this mail > > I had : > > Id Refs Address Size Name > 1 30 0xc0400000 63b77c kernel > 2 1 0xc0a3c000 84a0 linprocfs.ko > 3 3 0xc0a45000 28878 linux.ko > 4 1 0xc0a6e000 10328 if_iwi.ko > 5 1 0xc0a7f000 155c4 snd_hda.ko > 6 2 0xc0a95000 4a36c sound.ko > 7 2 0xc0ae0000 6a184 acpi.ko > 8 1 0xc0b4b000 4ff4 acpi_ibm.ko > 9 1 0xc0b50000 2f338 iwi_ibss.ko > 10 1 0xc0b80000 2f4b0 iwi_monitor.ko > 11 1 0xc0bb0000 22c98 radeon.ko > 12 2 0xc0bd3000 10e98 drm.ko > 13 1 0xc4b22000 d000 ipfw.ko > 14 1 0xccd23000 2000 rtc.ko > > PLUS acpi_video.ko loaded in /boot/loader.conf.local. > > doing a kldunload acpi_video would panic the kernel. Also happened in > single user. > > I have crash dumps, but unfortunately, i wiped the kernel.debug after > starting a full clean rebuild of kernel + world for today's changes. > > I don't know whether this problem happened before 7 - i only started > loading acpi_video for a few weeks when I realised I couldn't change > the brightness on the screen anymore when under X (works ok in a > vconsole) Beto, hi, not to detract from the seriousness of the problem, two dumb questions: 1) why would you need to unload it? ie did loading it fix the problem? 2) does this mean the acpi_ibm brightness controls aren't working in X? cheers, Ian
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