Date: Wed, 09 May 2007 19:16:27 -0700 From: Sam Leffler <sam@errno.com> To: Kevin Oberman <oberman@es.net> Cc: Alexander Leidinger <Alexander@Leidinger.net>, freebsd-current@freebsd.org, Louis Kowolowski <louisk@cryptomonkeys.com> Subject: Re: if_ath breaks s3 suspend/resume [Was: ACPI S3 wakeup problem (beeeeeeeeep)] Message-ID: <4642807B.7030408@errno.com> In-Reply-To: <20070509184335.1079545042@ptavv.es.net> References: <20070509184335.1079545042@ptavv.es.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Kevin Oberman wrote: >> 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. ifconfig ath0 down turns the radio off; guaranteed. > > 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. Always worked for me but like I said until someone tells me what's going on or I can reproduce the problem myself it's going to sit on my todo list. Sam
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4642807B.7030408>