>Number:         11575
>Category:       port-arm32
>Synopsis:       panic when running chuq's vmtest.c on ubc enabled shark
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    port-arm32-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Nov 27 04:24:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Luke Mewburn
>Release:        Mon Nov 27 23:21:51 EST 2000
>Organization:
Luke Mewburn  <lukem@wasabisystems.com>  http://www.wasabisystems.com
Luke Mewburn     <lukem@netbsd.org>      http://www.netbsd.org
Wasabi Systems - providing NetBSD sales, support and service.
>Environment:
NetBSD scylla 1.5K NetBSD 1.5K (SCYLLA) #0: Sat Nov 18 05:49:23 EST 2000     lukem@scylla:/z/src/current/src/sys/arch/arm32/compile/SCYLLA arm32

>Description:
	i ran chuq's vmtest.c on a pre UBC shark, and it `failed' as
	expected.

	i then upgraded the kernel on my machine, and it panics when i
	ran the command. from the console:

	panic: m_copym0 overrun
	Stopped in a.out at     _cpu_Debugger+0x10:     ldmdb   r11, {r11, r13, r15}
	db> t
	_cpu_Debugger(_cpu_Debugger+0x10)
	_panic(_panic+0x14)
	_m_copym0(_m_copym0+0x10)
	_m_copym(_m_copym+0x10)
	_nfs_request(_nfs_request+0x10)
	_nfs_writerpc(_nfs_writerpc+0x10)
	_nfs_doio(_nfs_doio+0x10)
	_nfs_strategy(_nfs_strategy+0x10)
	_nfs_putpages(_nfs_putpages+0x10)
	_uvn_put(_uvn_put+0x10)
	_uvm_pager_put(_uvm_pager_put+0x10)
	_uvn_flush(_uvn_flush+0x14)
	_uvm_map_clean(_uvm_map_clean+0x10)
	_sys___msync13(_sys___msync13+0x10)
	_syscall(_syscall+0x10)
	db> 


>How-To-Repeat:
	run chuq's vmtest.c on a totally diskless shark.


>Fix:
	?
>Release-Note:
>Audit-Trail:
>Unformatted: