Kernel Panic

[Michael Neumann]

Which version are you running? 

Am 20. Dezember 2025 15:19:13 MEZ schrieb karthik holla <karthikholla87 at gmail.com>:
>Hi,
>I have had a random kernel panic which I am not able to reproduce while
>unloading snd_hda.ko. Here is the backtrace
>
>#0  _get_mycpu () at ./machine/thread.h:69
>#1  panic (fmt=fmt at entry=0xffffffff80d18328 "%s called with uninitialized
>or corrupt sbuf") at /usr/src/sys/kern/kern_shutdown.c:868
>#2  0xffffffff806a6d92 in _assert_sbuf_integrity
>(fun=fun at entry=0xffffffff80d18678
><__func__.5808> "sbuf_delete",
>    s=s at entry=0xffffffff81f28100 <sndstat_sbuf>) at
>/usr/src/sys/kern/subr_sbuf.c:100
>#3  0xffffffff806a7aab in sbuf_delete (s=0xffffffff81f28100 <sndstat_sbuf>)
>at /usr/src/sys/kern/subr_sbuf.c:756
>#4  0xffffffff81f044bc in sndstat_uninit () at
>/usr/src/sys/dev/sound/sound/../pcm/sndstat.c:453
>#5  sndstat_sysuninit (p=<optimized out>) at
>/usr/src/sys/dev/sound/sound/../pcm/sndstat.c:471
>#6  0xffffffff80625e9a in linker_file_sysuninit (lf=0xfffff800cf121080) at
>/usr/src/sys/kern/kern_linker.c:230
>#7  linker_file_unload (file=0xfffff800cf121080) at
>/usr/src/sys/kern/kern_linker.c:535
>#8  linker_file_unload (file=0xfffff800cf121080) at
>/usr/src/sys/kern/kern_linker.c:477
>#9  0xffffffff80625c3e in linker_file_unload (file=0xfffff800cf120fe0) at
>/usr/src/sys/kern/kern_linker.c:545
>#10 linker_file_unload (file=0xfffff800cf120fe0) at
>/usr/src/sys/kern/kern_linker.c:477
>#11 0xffffffff80626ea1 in sys_kldunload (sysmsg=<optimized out>,
>uap=<optimized out>) at /usr/src/sys/kern/kern_linker.c:854
>#12 0xffffffff80bec6be in syscall2 (frame=0xfffff801fbe439f8) at
>/usr/src/sys/platform/pc64/x86_64/trap.c:1285
>#13 0xffffffff80baf77d in Xfast_syscall () at
>/usr/src/sys/platform/pc64/x86_64/exception.S:448
>#14 0x000000000000002b in ?? ()
>Backtrace stopped: previous frame inner to this frame (corrupt stack?)
>
>Thanks
>Karthik