Re: /usr/bin/tip + serial console?

[raymond.meyer%rambler.ru@localhost]

OK nevermind, I found how to get kernel crash dump

I'm not sure how to use debugger, so far I got the following from the
crash dump:

(gdb) bt
#0  0x000000000142ba00 in dumpsys ()
#1  0x000000000142be18 in cpu_reboot ()
#2  0x00000000012ee65c in panic ()
#3  0x000000000128c3c0 in audio_init_ringbuffer ()
#4  0x000000000128c3f8 in audio_initbufs ()
#5  0x000000000128f5c4 in audiosetinfo ()
#6  0x00000000012914f4 in audioioctl ()
#7  0x00000000012e49d8 in cdev_ioctl ()
#8  0x000000000133594c in VOP_IOCTL ()
#9  0x00000000013303ec in vn_ioctl ()
#10 0x00000000012f5ec4 in sys_ioctl ()
#11 0x0000000001435c70 in syscall_plain ()
#12 0x00000000010092ac in syscall_setup ()
#13 0x00000000010092ac in syscall_setup ()

So looks like it crashes in audio_init_ringbuffer()
What other info do I need to submit a PR? How can I find out where in
that function it crashed?