Date: Wed, 14 Sep 2011 09:44:46 -0400 From: William Bulley <web@umich.edu> To: freebsd-questions@freebsd.org Subject: Thinkpad audio question Message-ID: <20110914134446.GA9714@itcom245.staff.itd.umich.edu>
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A friend of mine has an IBM T500 Thinkpad which is nearly identical to the one I have. We both have interesting audio issues. Any ideas as to why the problems explained below exist would be greatly appreciated. My T500 shows two devices /dev/mixer0 and /dev/mixer1 corresponding to pcm0 and pcm1 as displayed by % cat /dev/sndstat in 8.2-PRERELEASE from January 2011. I am able to hear audio on the built-in speakers using /dev/mixer1 but not able to hear audio when plugging stereo headphones into the green "audio out" jack. However, the speaker audio is muted when the headphones are plugged in. I have tried two different head sets to rule out flawed hardware. My friend's T500 is more up-to-date than mine (likely 8.2-STABLE) but in his case headphone audio works perfectly and he has had no luck in getting audio out of his built-in laptop speakers. Very weird... This situation sucks, but we have not been able to suss out what the problem is. He and I have been running FreeBSD for over a decade, so we are not clueless, but this laptop audio weirdness has us stumped. Regards, web... -- William Bulley Email: web@umich.edu 72 characters width template ----------------------------------------->|
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