On Wed, 2006-04-19 at 14:59 -0500, Stephen Stocker wrote: > Hi, > > After compiling ALSA packages from CVS of April 17, 2005, I encountered a > rather strange problem. While playing audio files w/MPlayer (ALSA's OSS > device), I dropped Centericq, then restarted it. Centericq uses SoX to play > various sounds to indicate when someone comes online, msgs, etc. > > When I restarted it, I got the following error, which killed MPlayer and > Centericq. Also, I was unable to unload the ALSA modules after this, getting > an error that the device was in use. System is Slackware 10, kernel > 2.4.24-ck1, SB AWE64 soundcard. > > One interesting side-note: I have Centericq configured to use the dmix > plugin with SoX, which may or may not have something to do with the problem. > Also, ALSA CVS of march 23 does not have this problem. Here's the error: > > --- > Unable to handle kernel NULL pointer dereference at virtual address 000000a0 > printing eip: > c48cd2bc > *pde = 00000000 > Oops: 0000 > CPU: 0 > EIP: 0010:[<c48cd2bc>] Not tainted > EFLAGS: 00010286 > eax: c11f9c60 ebx: c0dc4920 ecx: 00000007 edx: fffffffa > esi: 00000000 edi: 00000c80 ebp: c0f91f98 esp: c0f91f88 > ds: 0018 es: 0018 ss: 0018 > Process irc (pid: 8272, stackpage=c0f91000) > Stack: 00000000 c0dc4920 4022a02c 00000000 00000c80 c013b41c c11f9c60 4022a02c > 00000c80 c0dc4940 c0f90000 402368ea 00000640 bfff6338 c0107253 > 00000007 > 4022a02c 00000c80 402368ea 00000640 bfff6338 00000004 0000002b > 0000002b > Call Trace: [<c013b41c>] [<c0107253>]
Please recompile with CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y and try to reproduce the bug. This should produce a readable stack trace. Lee ------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/alsa-user
