On Fri, 2008-09-05 at 03:44 +0800, Luis Henriques wrote: > Zhang Rui wrote: > >> It seems that acpi_video_bus_add function is invoked twice and, the > >> second time, it fails (maybe it is supposed to be invoked > twice...). > >> > > There are two ACPI video bus devices both named "VGA" in the ACPI > > namespace, and each of them tries to create an entry "VGA" > > under /proc/acpi/video/. > > that's why this message is printed out. > > Sorry about my ignorance on the topic but... does this mean I do > actually have 2 devices? If this is true, then I should actually have > "VGA1" and "VGA2" dirs in /proc, right? No, because the video driver tries to register two "VGA" procfs entry, we get two "VGA" dirs in /proc... > >> Please let me know whether you need any additional information to > help > >> me solving this problem. > > There is a patch from Matthew that should solve this problem, which > has > > already hit the acpi test tree. > > it would be great if you can get the source code and give it a > try. :) > > > > how to get the source code: > >> git-clone > git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-acpi-2.6 > acpi_test > >> git-branch -r > >> git-branch --track test origin/test > >> git-checkout test > > > Ok, tried this (or similar...) and it seems to be working just fine. > Or, at least, no more error message from kernel. Also, in > /proc/acpi/video only one directory 'VGA' is being created. Here's > the > relevante dmesg part: > > [ 14.657009] ACPI: AC Adapter [ACAD] (on-line) > [ 14.661005] acpi device:04: registered as cooling_device2 > [ 14.664019] input: Video Bus as /class/input/input4 > [ 14.716892] ACPI: Video Device [VGA] (multi-head: yes rom: no > post: no) > that's great. thanks for testing, we'll try to push these patches upstream. thanks, rui -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
