panic when detecting an ES1373 AudioPCI sound card

Ariff Abdullah ariff at FreeBSD.org
Fri Jun 1 18:39:21 UTC 2007


On Fri, 1 Jun 2007 19:06:32 +0200
Thierry Herbelot <thierry at herbelot.com> wrote:
> Hello,
> 
> The panic happens when probing the various devices of the machine
> (dual  Celeron + 440BX), running the GENERIC -current kernel (with
> all debugging  options) :
> 
> panic: _mtx_lock_sleep: recursed on non-recursive mutex pcm0 
> @
> /tank/files1/src/sys/modules/sound/driver/es137x/../../../../dev/so
> und/pci/es137x.c:510
> 
> cpuid = 0
> KDB: enter: panic
> [thread pid 0 tid 0 ]
> Stopped at      kdb_enter+0x32: leave
> db> where
> Tracing pid 0 tid 0 td 0xc0b23e00
> kdb_enter(c0a1d73c,0,c0a1c674,c1020830,0,...) at kdb_enter+0x32
> panic(c0a1c674,c2555330,c0c9a40f,1fe,c242eac0,...) at panic+0x124
> _mtx_lock_sleep(c242eac0,c0b23e00,0,c0c9a40f,1fe,...) at
> _mtx_lock_sleep+0x4a
> _mtx_lock_flags(c242eac0,0,c0c9a40f,1fe,c2555450,...) at
> _mtx_lock_flags+0xef
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ??

> eschan_setformat(c2555450,c255a2c8,10000010,66f,c2550a00,...) at 
> eschan_setformat+0x3d

[....]

> the kernel and world sources were updated this morning around Fri
> Jun  1 06:48  UTC 2007. The kernel and world have been rebuilt via :
> make update && make -DNO_CLEAN buildworld && make -j2 buildkernel
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^

Please start with a clean room. Too many changes was pouring in, not
just in sound considering that (see below)..

> the source code for the specific board seems to be quite old :
> FreeBSD: src/sys/dev/sound/pci/es137x.c,v 1.65 2007/04/18 18:26:39
> ariff Exp
> 
> the previous kernel+world worked fine, including probing both sound
      ^^^^^^^^ when?

> cards (one  on PCI, and the other on ISA).
> 
> The same kernel is currently running after unloading all kld
> modules.
> 
> 


--
Ariff Abdullah
FreeBSD

... Recording in stereo is obviously too advanced
    and confusing for us idiot ***** users :P ........
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