Re: Panel hangs X server on APM resume (?)

[Chazz Mevoli <cmevoli afsa com>]

I had the same problem on my laptop and it's not the panel of gnome's
fault.  The apm system is probably affecting gnome.  I own an IBM ThinkPad
760XD and had the same thing happen to me.  I did some searching on google
and found kernel level drivers to let linux handle correctly the apm
system.  Your Toshiba might have the same problem.  Also, on my laptop, if
I have a pcmcia card in the slot when suspending, the keyboard/mouse stop
responding on wake.  My workaround for this was to call "cardctl eject" in
the suspend scripts for apmd-proxy.  Hope this info helps.  Good luck to
you!

Toralf Lund wrote:

> I'm not sure if this is really a problem with GNOME, XFree86, apmd or
> something else, but the GNOME panel definitely affects the behaviour:
>
> When returning from suspend mode initiated while a GNOME session is
> active - using 'apm -s' or by pressing the "suspend" button - on one of
> our laptops (a Toshiba Tecra 8000), the X server seems to hang. The
> screen goes blank and keyboard or mouse input is not accepted (it's not
> even possible to switch to a virtual terminal using Ctrl+Alt+<F key>),
> but  logging in via rsh or similar is no problem. Furthermore, if I
> attach a debugger X process and force it to return from the current
> subroutine, then continue ("return" followed by "continue" in gdb),
> everything is back to normal. Stack trace just after attaching is:
>
>      (gdb) where
>      #0  0x85eec92 in ?? ()
>      #1  0x86a0eb5 in ?? ()
>      #2  0x86b1329 in ?? ()
>      #3  0x815673c in miClearToBackground ()
>      #4  0x816b3b4 in miSpriteInitialize ()
>      #5  0x80b0f0c in ProcClearToBackground ()
>      #6  0x80aee96 in Dispatch ()
>      #7  0x80bff8b in main ()
>      #8  0x4006ff31 in __libc_start_main (main=0x80bfa20 <main>,
>      argc=4, ubp_av=0xbffffd44, init=0x806af68 <_init>,
>      fini=0x8175a0c <_fini>, rtld_fini=0x4000e274 <_dl_fini>,
>      stack_end=0xbffffd3c) at ../sysdeps/generic/libc-start.c:129
>      (gdb)
>
> However, and this is where the panel comes into the picture, I can only
> reproduce the problem if either a "menu panel" is open, or if a sliding
> panel is about to come into view just as the machine is suspended. I
> guess the "panel movement" in general - for instance the whole thing
> sliding in or the menu panel's clock being updated - may have something
> to do with it , but everything is still fine even if I run a lot of
> applets that continually update their display.
>
> Has anyone else seen this? Any ideas what is wrong?
>
> --
> # rpm -q gnome-core XFree86 apmd
> gnome-core-1.2.4-0_helix_2
> XFree86-4.0.1-1
> apmd-3.0final-18
>
> XFree86 driver is "neomagic".
>
> - Toralf
>
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