kern/71310: kernel crash on rtprio pid priority change

Jonas Nagel fireball at
Thu Sep 2 14:00:46 PDT 2004

The following reply was made to PR kern/71310; it has been noted by GNATS.

From: Jonas Nagel <fireball at>
To: FreeBSD-gnats-submit at
Cc: fireball at
Subject: Re: kern/71310: kernel crash on rtprio pid priority change
Date: Thu, 02 Sep 2004 22:50:09 +0200

 I forgot to attach the trace I typed down:
 panic: Negative nice count.
 cpuid = 0;
 KDB: enter: panic
 [thread 100100]
 Stopped at kbd_enter+0x2b: nop
 kbd_enter(c07f074b) at kbd_enter+0x2b
 panic(c07f1c88,c19853c0,c08b32c0,da8d2c80,c060e583) at panic+0x131
 kseq_nice_rem(c08b32c0,0) at kseq_nice_rem+0x44
 kseq_load_rem(c08b32c0,c19853c0,1ca1d55,c200ab2c,c2010160) at kseq_load_rem+0x7b
 sched_switch(c2010160,0) at sched_switch+0x90
 mi_switch(2,0,c2010160,de,c08b1440,0,c07f35ae,f5) at mi_switch+0x24d
 ast(da8d2d48) at ast+0x2dd
 doreti_ast() at doreti_ast+0x17
 Jonas Nagel <fireball at>

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