>This has something to do with the TIOCCONS ioctl. tputchar() is the
>output function for the TOTTY case, and the TOTTY flag is only set for
>kernel printfs if TIOCCONS has set constty to non-NULL. I'm not sure
>what uses TIOCCONS (I think it is intended for use with X, but it
>doesn't seem to
On 1 Jul 2001, Dag-Erling Smorgrav wrote:
> "microuptime() went backwards" warning caused a "blockable sleep lock"
> panic on a June 25 kernel:
>
> panic: blockable sleep lock (sx) allproc @ ../../kern/kern_proc.c:146
> Debugger("panic")
> Stopped at Debugger+0x44: pushl %ebx
> db> trace
"microuptime() went backwards" warning caused a "blockable sleep lock"
panic on a June 25 kernel:
panic: blockable sleep lock (sx) allproc @ ../../kern/kern_proc.c:146
Debugger("panic")
Stopped at Debugger+0x44: pushl %ebx
db> trace
Debugger(c02c7cfb) at Debugger+0x44
panic(c02cb140,c02c8
