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Re: port-powerpc/46591: Doing "ktrace -p <pid>" triggered panic

The following reply was made to PR port-powerpc/46591; it has been noted by 

From: Havard Eidnes <>
Subject: Re: port-powerpc/46591: Doing "ktrace -p <pid>" triggered panic
Date: Thu, 28 Jun 2012 14:01:40 +0200 (CEST)

 Update: doing a simple
   ktrace -i sh
 also results in an instant panic.  The same one, it seems:
 panic: cpu_uarea_alloc: uvm_pglistalloc failed: 12
 cpu0: Begin traceback...
 0xd9d3bc40: at panic+0x4c
 0xd9d3bc80: at cpu_uarea_alloc+0x78
 0xd9d3bcb0: at uarea_system_poolpage_alloc+0x20
 0xd9d3bcc0: at pool_grow+0x48
 0xd9d3bce0: at pool_get+0x58
 0xd9d3bd00: at pool_cache_get_slow+0x1a4
 0xd9d3bd50: at pool_cache_get_paddr+0x104
 0xd9d3bd90: at uvm_uarea_system_alloc+0x1c
 0xd9d3bda0: at kthread_create+0x60
 0xd9d3be00: at ktrace_common+0x390
 0xd9d3be40: at sys_ktrace+0xf4
 0xd9d3bec0: at syscall_plain+0x1f0
 0xd9d3bf20: user SC trap #45 by 0xfde8120c: srr1=3D0xd032
             r1=3D0xffffd750 cr=3D0x28000044 xer=3D0x20000000 ctr=3D0xfd=
 cpu0: End traceback...
 dumpsys: TBD
 - H=E5vard

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