On 7/9/06, Ruslán Ledesma Garza <ruslanledesmag@xxxxxxxxxxx> wrote:
>From: "Brown, Len" <len.brown@xxxxxxxxx> >To: Ruslán Ledesma Garza ><ruslanledesmag@xxxxxxxxxxx>,<linux-acpi@xxxxxxxxxxxxxxx> >Subject: RE: ACPI not working on DELL Inspiron 1150 >Date: Sun, 9 Jul 2006 17:10:45 -0400 > > > >Hi. I'm a newbie to linux, but I've been getting this problem ever > >since I installed it on my computer (I've already tested Fedora Core 5 > >and Ubuntu 6, both having the same problem). > > > >1) I first discovered that my laptop display didn't turn off when the > >lid was closed (I can tell because I can see the glare of the display > >through a gap). So I started investigating and found that the lid > >event is not triggered whenever I close/open the lid (using > >acpi_listen). But the weirdest part is that the event is reported when > >doing "cat /proc/acpi/button/lid/LID/state". > >is the video driver loaded (drivers/acpi/video.c) When doing "lsmod", response is "video 16260 0", so I think answer is yes. > > >2) Then I realized no events are reported through acpi_listen, except > >for "ac_adapter" event which occurs after resuming the laptop from > >hibernation. > >How about power button events? No other events rather than ac_adapter are reported, including button events. > > >3) I've also found that sometimes the computer freezes when resuming > >from hibernation (I can only confirm this under Ubuntu, I can't > >remember what happens with Fedora). > > > >4) Finally, for some reason gnome power manager doesn't put into > >hibernation my computer when battery is too low (the only time I > >tested this was under Ubuntu) and simply runs out of battery. > > > >Since #'s 1 & 2 have ocurred under Fedora and Ubuntu, I assume there > >is some low level problem/incompatibility of ACPI with my computer's > >hardware. Everything works fine under WinXP, and to me power > >management is a must for my laptop. > > > >I've read some stuff about DST's, but sincerelly I didn't undestand > >much (ie. where does this DST reside? Is it a firmware?), > >modified DSDT's are a debugging tool only -- not a path to a "real fix". >Linux should work properly on your laptop without any modifications >to the firmware. (though it might be a good idea to check with Dell >to make sure you're running the latest). Last time I checked (about 3 weeks ago) the bios firmware was the latest ("A07"). By the way, are DSDT's firmwares then? > > >but I wonder > >if the fact that my DST says "MSFT" could be the cause of ACPI not > >working propertly. > >:-) This means it was built with the MSFT ASL compiler. Sometimes >that is an issue, but we try to handle those issues and re-building >the firmwarwe with Intel's compiler is okay for debugging, but not >supportable. > >build with CONFIG_ACPI_DEBUG=y and see if any new dmesg come out. >You can also boot with "acpi=strict" if you want to see if >Linux is already working around issues in your DSDT. I've already tried to build my DSDT using Intel's compiler. It showed several errors (can't remember which ones, but I can do it again if this can help). I think I fixed them, but could never get to install the modified DSDT. What can I do? > >-Len _________________________________________________________________ Prodigy/MSN Search. Todo lo que buscas ahora más rapido http://search.t1msn.com.mx/ - 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
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