port: audio/pulseaudio

[Joe Marcus Clarke]

On Fri, 2008-03-28 at 14:51 +0200, Volodymyr Kostyrko wrote:
> Ion-Mihai Tetcu wrote:
> >> Kernel panics when some FLAC stream is played on xmms2 with pulse output 
> >> plugin.
> >>
> >> vm_page_unwire: invalid wire count: 0
> >>
> >> Playing through xmms2 default plugin (oss) works. Also when using pulse 
> >> there are a lot of quirks in output. Playing mp3/ogg streams works though...
> > 
> > More details are needed. uname -a at very least (and probably a back-trace).
> 
> Sorry for late response, got to build kernel with debug symbols and 
> reproduce this to get good bt.
> 
> cairn# kgdb /boot/kernel.old/kernel vmcore.9
> [GDB will not be able to debug user-mode threads: 
> /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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> (kgdb) bt
> #0  doadump () at pcpu.h:195
> #1  0xc0513f47 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
> #2  0xc05141d3 in panic (fmt=Variable "fmt" is not available.
> ) at /usr/src/sys/kern/kern_shutdown.c:563
> #3  0xc068c742 in vm_page_unwire (m=0xc151e2d0, activate=0) at 
> /usr/src/sys/vm/vm_page.c:1410
> #4  0xc056d4da in vfs_vmio_release (bp=0xccec9228) at 
> /usr/src/sys/kern/vfs_bio.c:1539
> #5  0xc056db96 in brelse (bp=0xccec9228) at /usr/src/sys/kern/vfs_bio.c:1331
> #6  0xc0582c59 in vtruncbuf (vp=0xc3d09dd0, cred=0x0, td=0xc3496000, 
> length=0, blksize=16384)
>      at /usr/src/sys/kern/vfs_subr.c:1257
> #7  0xc0651ec7 in ffs_truncate (vp=0xc3d09dd0, length=0, flags=Variable 
> "flags" is not available.
> ) at /usr/src/sys/ufs/ffs/ffs_inode.c:405
> #8  0xc066df0b in ufs_inactive (ap=0xd642cbbc) at 
> /usr/src/sys/ufs/ufs/ufs_inode.c:132
> #9  0xc06cdcfe in VOP_INACTIVE_APV (vop=0xc0735120, a=0xd642cbbc) at 
> vnode_if.c:1513
> #10 0xc057d449 in vinactive (vp=0xc3d09dd0, td=0xc3496000) at vnode_if.h:796
> #11 0xc0580593 in vput (vp=0xc3d09dd0) at /usr/src/sys/kern/vfs_subr.c:2224
> #12 0xc0586256 in kern_unlink (td=0xc3496000, path=0xbf7fbd7c <Address 
> 0xbf7fbd7c out of bounds>, pathseg=UIO_USERSPACE)
>      at /usr/src/sys/kern/vfs_syscalls.c:1713
> #13 0xc05862d2 in unlink (td=0xc3496000, uap=0xd642ccfc) at 
> /usr/src/sys/kern/vfs_syscalls.c:1649
> #14 0xc06c3e0e in syscall (frame=0xd642cd38) at 
> /usr/src/sys/i386/i386/trap.c:1035
> #15 0xc06ad830 in Xint0x80_syscall () at 
> /usr/src/sys/i386/i386/exception.s:196
> #16 0x00000033 in ?? ()
> Previous frame inner to this frame (corrupt stack?)

This probably needs to be reported on stable at .  It looks like pulseaudio
is unlinking something and the kernel doesn't like it.  In any event, it
shouldn't panic.

Joe

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