Date: Tue, 19 Dec 2006 02:46:46 +0800 From: Stepan Zastupov <redchrom@gmail.com> To: Sam Leffler <sam@errno.com> Cc: Stepan Zastupov <redchrom@gmail.com>, freebsd-current@freebsd.org, Nate Lawson <nate@root.org> Subject: Re: cbb hangs during suspend if ath card active Message-ID: <20061218184646.GA7183@stepan.ispsystem.net> In-Reply-To: <4585F7BB.9010704@errno.com> References: <20061214234849.GA1062@stepan.ispsystem.net> <4584708B.3020902@root.org> <20061217214408.GA902@stepan.ispsystem.net> <4585BAF3.1010504@root.org> <4585F7BB.9010704@errno.com>
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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
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