Date: Wed, 09 May 2007 11:43:35 -0700 From: "Kevin Oberman" <oberman@es.net> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: Louis Kowolowski <louisk@cryptomonkeys.com>, freebsd-current@freebsd.org Subject: Re: if_ath breaks s3 suspend/resume [Was: ACPI S3 wakeup problem (beeeeeeeeep)] Message-ID: <20070509184335.1079545042@ptavv.es.net> In-Reply-To: Your message of "Wed, 09 May 2007 13:33:40 %2B0200." <20070509133340.2f24bf34@deskjail>
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--==_Exmh_1178736215_71795P Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Date: Wed, 9 May 2007 13:33:40 +0200 > From: Alexander Leidinger <Alexander@Leidinger.net> > Sender: owner-freebsd-current@freebsd.org > > Quoting Louis Kowolowski <louisk@cryptomonkeys.com> (Tue, 8 May 2007 23:38:51 -0700): > > > On Tue, May 08, 2007 at 09:04:49PM -0700, Sam Leffler wrote: > > > Harald Schmalzbauer wrote: > > > > Am Dienstag, 8. Mai 2007 schrieb Harald Schmalzbauer: > > > >> Hello, > > > >> > > > >> I found the sysctl "debug.acpi.resume_beep" and enabled it. > > > >> When I send my Vaio SRX41p sleeping with acpiconf -s3 it never waked up > > > >> again. Now with this sysctl enabled I hear a continuing beep, but the > > > >> hard drive stays powered down, also the LCD keeps unlit. > > > >> > > > >> Any hints how I can find out what's going wrong? > > > >> Tuning hw.acpi.reset_video doesn't change anything. > > > > > > > > Again, the fabulous handbook gave me the hint to remove all devices from > > > > the kernel and dynamically load them. > > > > This revealse if_ath as the culprit. (the last I tried after usb, > > > > fwohci, pcm, ichsmb) > > > > > > > > Could this be related to the interrupt strom problems with ath (I often > > > > get storm warnings, all drivers share IRQ9 on this laptop)? > > > > > > Unclear but there's been an outstanding complaint against ath related to > > > suspend for a while. Specifically if you touch certain registers in the > > > h/w after the chip has been put to sleep you can hang the pci bus. I've > > > asked people that can reproduce the problem to narrow down the code path > > > by which the driver is entered but w/o luck. > > > > > I don't know for sure, but I think I might be seeing a similar issue with > > atheros, but during bootup instead of suspend. It's not reproducable in a > > reliable fashion, but sometimes I get a hang during bootup shortly after > > ath0 is brought up. I also see an interupt storm on irq11, which I believe > > is also shared by ichsmb (at least on my Thinkpad T60p). > > AOL! Very hard hang. I have to remove the power supply and the battery > from my laptop then. I also get a message sometimes on the console (Sam > knows about it). The IRQ is also shared with something else, I think (I > have to look this up). I knew there was a reason to not put if_ath in the kernel. (Actually, I want it out of the kernel so I can be sure the radio is not transmitting in flight or eating battery when I am on a wire or have no available AP. On another note, you don't need to pull power/battery to do a hard reset on any remotely modern laptop. Just press and hold the power button for 5 seconds and your system will power down. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751 --==_Exmh_1178736215_71795P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) Comment: Exmh version 2.5 06/03/2002 iD8DBQFGQhZXkn3rs5h7N1ERApbtAKCoofuLjeBMDEXOUyxdFv/dSyriFACfc3pw 1a1IYSMNtFjxY5BACCJHN0c= =/JHp -----END PGP SIGNATURE----- --==_Exmh_1178736215_71795P--
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