Pawel Jakub Dawidek wrote:
On Wed, Sep 28, 2005 at 09:38:33PM +0200, Pawel Jakub Dawidek wrote:
+> On Wed, Sep 28, 2005 at 12:31:14PM -0700, Nate Lawson wrote:
+> +> Pawel Jakub Dawidek wrote:
+> +> >pjd 2005-09-28 19:20:49 UTC
+> +> > FreeBSD src repository
+> +> > Modified files:
+> +> > sys/dev/bge if_bge.c Log:
+> +> > Implement suspend/resume methods to be more ACPI friendly.
+> +> > I'm able to suspend/resume my laptop without this change, but then I
need
+> +> > to wait for the watchdog to reset the card.
+> +> > With this change, it is ready immediately.
+> +> > Glanced at by: glebius
+> +> > Revision Changes Path
+> +> > 1.96 +36 -0 src/sys/dev/bge/if_bge.c
+> +>
+> +> Great, thanks! To other developers with hardware that doesn't work for suspend/resume, this is the area that needs the most improvement. There are known cases of at least
+> +> agp and apic breaking resume.
+>
+> On my ThinkPad t43 suspend/resume works just fine in most cases, but
+> sometimes (once every ~20 suspends) it stops before turning off LCD -
+> the moon-led is turned on, but LCD is on as well and system freeze
+> hard.
+> What kind of debug can I add to track down the problem?
+> Can we printf some steps done on suspend (which device's suspend method
+> is called, etc.)?
Just want to note, that this commit fixed my hangs totally. I haven't
seen them since then.
Great, thanks for your work. I'm not sure anyone else pays attention,
but I'll say it again -- most suspend/resume problems are
hardware-specific and need to be fixed in their associated drivers. If
you have hardware that doesn't work, you're the perfect candidate to fix
the problem.
--
Nate
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