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Date: Sat, 16 Aug 2003 15:05:10 -0700
From: Kris Kennaway <kris@obsecurity.org>
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cc: alc@FreeBSD.org
cc: silby@FreeBSD.org
Subject: Sleeping on "objtrm" with the following non-sleepable locks held:
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I got this overnight on one of the alpha machines:

Sleeping on "objtrm" with the following non-sleepable locks held:
exclusive sleep mutex system map r = 0 (0xfffffc0007dd2098) locked @ /a/asami/portbuild/alpha/src-client/sys/vm/vm_map.c:2228
witness_warn
Stopped at      Debugger+0x38:  zapnot  v0,#0xf,v0      <v0=0x0>
db> trace
Debugger() at Debugger+0x38
witness_warn() at witness_warn+0x284
msleep() at msleep+0xa8
vm_object_pip_wait() at vm_object_pip_wait+0x88
vm_object_terminate() at vm_object_terminate+0x54
vm_object_deallocate() at vm_object_deallocate+0x408
vm_map_entry_delete() at vm_map_entry_delete+0x54
vm_map_delete() at vm_map_delete+0x3dc
vm_map_remove() at vm_map_remove+0x64
kmem_free() at kmem_free+0x34
pipe_free_kmem() at pipe_free_kmem+0xdc
pipeclose() at pipeclose+0x278
pipe_close() at pipe_close+0x40
fdrop_locked() at fdrop_locked+0x184
fdrop() at fdrop+0x50
closef() at closef+0x260
close() at close+0x1e0
syscall() at syscall+0x33c
XentSys() at XentSys+0x64
--- syscall (6, FreeBSD ELF64, close) ---
--- user mode ---
db>

Is this already fixed?

Kris

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