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Date:      Thu, 11 Jul 1996 07:29:13 -0400
From:      dob@naserver1.cb.lucent.com
To:        freebsd-current@freebsd.org
Subject:   panic on reboot with current -current
Message-ID:  <9607111129.AA12874@cbsky.cb.att.com>

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I hate to rain on anyone's parade, but my system panics with the current
-current.

I haven't been tracking all the changes since the last time we had VM 
problems, but my officemate suggested I sup and get current before they put in
gcc 2.7.3 so I did, but now I panic during reboot after making the world (and 
making a kernel, reboot was to pick up the new kernel).  (I did it twice since
I didn't capture the panic string the first time, thus seems to be 
reproducible.)  

(Also panic's after making world without making new kernel.  Just this AM
I halted the system after making world all night -- Kids play with PC during
day so I don't *dare* leave it up :-)

panic: vm_page_free invalid wire count(2), pindex 0x6042

trace:
	_panic
	_vm_page_freechk_and_unqueue + 0x150
	_vm_page_free + 0x2d
	_vm_object_terminate + 0x12d
	_vm_object_deallocate + 0x1af
	_vn_vmio_close + 0x30
	_ffs_unmount + 0xac
	_dounmount + 0x90
	_ufs_unmountall + 0x41
	_boot + 0xf3
	_reboot + 0x29

Sup which fails: 07/03/96 15:33 EDT
Sup which fails: 07/10/96 ~19:00 EDT

Sup which worked: 06/21/96 16:02 EDT

System specs the same.  8MB P75.  0K L2 cache.  Next week I'll move to 40MB of
memory so these problems will probably disappear...  


Thanks,

Dan O'Brien
Lucent Technologies, Bell Labs Innovations
Columbus, OH  USA




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