On Wed, September 14, 2011 9:44 am, William Bulley wrote: > 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.
Quick thought: What versions of the BIOS are each of you running? Daniel T. Staal --------------------------------------------------------------- This email copyright the author. Unless otherwise noted, you are expressly allowed to retransmit, quote, or otherwise use the contents for non-commercial purposes. This copyright will expire 5 years after the author's death, or in 30 years, whichever is longer, unless such a period is in excess of local copyright law. --------------------------------------------------------------- _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"
