Date: Fri, 01 Oct 2010 15:47:01 -0300 From: Mario Sergio Fujikawa Ferreira <lioux@FreeBSD.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Panic with chromium and 8.1-STABLE (Thu Sep 16 09:52:17 BRT 2010) Message-ID: <20101001154701.980319bwibw4wyw5@exxodus.fedaykin.here> In-Reply-To: <20100922132801.GV2389@deviant.kiev.zoral.com.ua> (sfid-20100922_11541_49CE72C2) References: <20100919222837.70629.qmail@exxodus.fedaykin.here> <20100922132801.GV2389@deviant.kiev.zoral.com.ua> (sfid-20100922_11541_49CE72C2)
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Quoting Kostik Belousov <kostikbel@gmail.com>: > On Sun, Sep 19, 2010 at 07:28:13PM -0300, Mario Sergio Fujikawa > Ferreira wrote: >> Hi, >> >> I've just began trying chrome web browser from >> http://chromium.hybridsource.org/ but it triggered 2 panics on my >> 8.1-STABLE system. >> >> $ uname -a >> FreeBSD exxodus.fedaykin.here 8.1-STABLE FreeBSD 8.1-STABLE #26: >> Thu Sep 16 09:52:17 BRT 2010 >> lioux@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 >> flags (VV_NOSYNC|VI_DOINGINACT) >> 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: >> >> http://people.freebsd.org/~lioux/panic/2010091900/textdump.tar.0 >> http://people.freebsd.org/~lioux/panic/2010091900/textdump.tar.1 >> >> I was able to use chrome prior to this latest kernel update. >> Now, I can reproduce a kernel panic even browsing www.google.com >> >> Please, let me know if I can provide any further information. > > Does it panic if you remove ZERO_COPY_SOCKETS option from the kernel > config ? > Right on the spot. Removing ZERO_COPY_SOCKETS stopped the panics. The panics restart if I add them again. Regards, -- 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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