Re: cbb hangs during suspend if ath card active

On Sun, Dec 17, 2006 at 06:06:51PM -0800, Sam Leffler wrote:
> Nate Lawson wrote:
> > Stepan Zastupov wrote:
> >> On Sat, Dec 16, 2006 at 02:17:47PM -0800, Nate Lawson wrote:
> >>> Stepan Zastupov wrote:
> >>>> Does anyone still work on this problem?
> >>>> (http://lists.freebsd.org/pipermail/freebsd-current/2006-July/064550.html)
> >>>>
> >>>> I incure the same problems. If need testing I can help with it.
> >>> Just comment out this line in ath_stop() in if_ath.c:
> >>>     // ath_hal_setpower(sc->sc_ah, HAL_PM_FULL_SLEEP);
> > 
> >> It is already commented out in current and doesn't help. Card wont work
> >> even if it inserted after suspend and resume.
> >>
> > 
> > That's something different then.  I was talking about the suspend
> > process hanging if the card is inserted and active.  But ejecting it
> > would allow the process to continue and after resume, re-inserting it
> > worked fine.
> > 
> 
> What Nate is referring to is that on many ath parts if you "power down"
> the MAC then any pci references to registers outside the PCI clock
> domain will hang the bus.  Not putting the chip in "full sleep" is a
> hack as it means it'll continue to draw full power after the interface
> is marked down.  Something is causing the driver to be entered and
> registers accessed when not intended/expected.  I haven't been able to
> make this happen on any of my laptops (most have ACPI problems s.t.
> suspend/resume doesn't work right) so haven't had a test case to
> debug--and noone with the problem has been able to provide the needed info.
Ok what info you need exactly? I can provide only the messages after
some systls verbose tuned.

-- 
Best regards, Stepan Zastupov aka RedChrom
ISPSystem