Date: Wed, 14 Jul 2004 01:44:40 +0200 From: "Willem Jan Withagen" <wjw@withagen.nl> To: <freebsd-current@freebsd.org> Subject: lock (sleep mutex) UMA pcpu not locked Message-ID: <03c701c46933$5d867d00$471b3dd4@digiware.nl>
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Something is really scr*d here...
Unfortunatly I replaces DDB bij KDB without adding the DDB. And these panics and
stuff come while building a new kernel. :( So no backtraces here...
--WjW
With
FreeBSD opteron.digiware.nl 5.2-CURRENT FreeBSD 5.2-CURRENT #62: Tue Jul 13
15:25:31 CEST 2004
wjw@opteron.digiware.nl:/usr/obj/home2/src/sys/OPTERON.amd64 amd64
panic: lock (sleep mutex) UMA pcpu not locked @
/home2/src/sys/vm/uma_core.c:2034
cpuid = 1;
boot() called on cpu#1
Uptime: 5m7s
panic: _mtx_lock_sleep: recursed on non-recursive mutex UMA pcpu @
/home2/src/sys/vm/uma_core.c:1633
cpuid = 1;
boot() called on cpu#1
Uptime: 5m7s
panic: _mtx_lock_sleep: recursed on non-recursive mutex UMA pcpu @
/home2/src/sys/vm/uma_core.c:1633
OR:
panic: lock (sleep mutex) UMA pcpu not locked @
/home2/src/sys/vm/uma_core.c:1654
cpuid = 0;
boot() called on cpu#0
Uptime: 2m20s
panic: _mtx_lock_sleep: recursed on non-recursive mutex UMA pcpu @
/home2/src/sys/vm/uma_core.c:1633
OR:
panic: lock (sleExpensive timeout(9) function: 0xffffffff8026cdac(0xffffff007b6a
5250) 0.031261241 s
panic: process 1002(fsck_ufs):2 holds process lock but isn't blocked on a lock
cpuid = 1;
boot() called on cpu#1
Uptime: 2m43s
panic: cv_wait: not TDS_RUNNING
cpuid = 1;
boot() called on cpu#1
And also:
suspending ithread with the following locks held:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x17805dc110
fault code = supervisor read, page not present
instruction pointer = 0x8:0xffffffff8026ffe4
stack pointer = 0x10:0xffffffffb1a0b5f0
frame pointer = 0x10:0xffffff007b6d6950
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 36 (swi5: clock sio)
trap number = 12
panic: page fault
cpuid = 1;
boot() called on cpu#1
Uptime: 1h1m26s
And
kernel trap 9 with interrupts disabled
Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer = 0x8:0xffffffff802712fc
stack pointer = 0x10:0xffffffffb1aa4a40
frame pointer = 0x10:0xffffffff8058aa30
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 3 (g_up)
trap number = 9
panic: general protection fault
cpuid = 0;
boot() called on cpu#0
Uptime: 3m18s
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