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kern/45578: kernel crash with BUFQ_PRIOCSCAN

>Number:         45578
>Category:       kern
>Synopsis:       kernel crash with BUFQ_PRIOCSCAN
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 06 11:35:00 +0000 2011
>Originator:     Takahiro Kambe
>Release:        NetBSD 5.99.56
Takahiro Kambe
System: NetBSD 5.99.56 NetBSD 5.99.56 (VMWARE-F3) #109: 
Sun Nov 6 18:35:36 JST 2011
Architecture: x86_64
Machine: amd64
        Recent kernel crash with BUFQ_PRIOCSCAN.
        savecore(8) logs:

        panic: kernel diagnostic assertion "pq->q_burst > 0" failed: file 
"/usr/src/sys/kern/bufq_priocscan.c", line 300

        Enable BUFQ_PRIOCSCAN and try some (heavy) file system access.

        NetBSD current 1st Nov. 2011 didn't have this problem.

        Unknown.  Temporary workaround is disable BUFQ_PRIOCSCAN.


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