Panic with chromium and 8.1-STABLE (Thu Sep 16 09:52:17 BRT 2010)

Mario Sergio Fujikawa Ferreira lioux at
Sun Sep 19 22:31:26 UTC 2010


	I've just began trying chrome web browser from but it triggered 2 panics on my
8.1-STABLE system.

$ uname -a
FreeBSD 8.1-STABLE FreeBSD 8.1-STABLE #26: Thu Sep 16 09:52:17 BRT 2010     lioux at exxodus:/usr/obj/usr/src/sys/LIOUX  amd64

	The panic information is:

panic: vm_page_unwire: invalid wire count: 0
cpuid = 0
KDB: enter: panic

0xffffff006ecce000: tag ufs, type VREG
    usecount 1, writecount 1, refcount 4 mountedhere 0
    flags ()
    v_object 0xffffff0151489870 ref 0 pages 8
    lock type ufs: EXCL by thread 0xffffff00200947c0 (pid 25025)
        ino 119526591, on dev ufs/fsusr

0xffffff011107f938: tag ufs, type VREG
    usecount 0, writecount 0, refcount 4 mountedhere 0
    v_object 0xffffff0151f7f870 ref 0 pages 1284
    lock type ufs: EXCL by thread 0xffffff01882cc7c0 (pid 26689)
        ino 263, on dev md0

	I've made available 2 ddb textdumps at:

	I was able to use chrome prior to this latest kernel update.
Now, I can reproduce a kernel panic even browsing

	Please, let me know if I can provide any further information.


Mario S F Ferreira - DF - Brazil - "I guess this is a signature."
feature, n: a documented bug | bug, n: an undocumented feature

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