kernel thread as real threads..
kris at obsecurity.org
Thu Jan 19 19:01:07 PST 2006
On Thu, Jan 19, 2006 at 06:56:17PM -0800, Julian Elischer wrote:
> some progrsss..
> as the first few lines show, it's not quite perfect yet but it's most of
> the way there..
> (Like proc 1 isn't init)
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> SMP: AP CPU #3 Launched!
> panic: blockable sleep lock (sleep mutex) buffer daemon lock @
> cpuid = 2
> KDB: enter: panic
> [thread pid 0 tid 100051 ]
> Stopped at kdb_enter+0x2b: nop
> db> ps
> pid proc uid ppid pgrp flag stat wmesg wchan cmd
> 1 c7cb1000 0 0 0 0000200 [SLPQ g_waitidle
> 0xc07239ec][SLP] swapper
> 0 c0723c40 0 0 0 0000288 (threaded) swapper
> thread 0xc7d6a340 ksegrp 0xc7cb0960 [RUNQ] schedcpu
> thread 0xc7d6a4e0 ksegrp 0xc7cb09c0 [RUNQ] nfsiod 3
What about that threads don't show CPU usage or accumulate CPU time?
This is annoying enough for user threads but would be a pretty serious
usability limitation if it happened for kernel threads too.
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