Date: Wed, 14 Aug 2013 10:56:28 -0400 (EDT) From: AN <andy@neu.net> To: Gavin Atkinson <gavin@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: make[6]: stopped in /usr/src/lib/bind/dns Message-ID: <alpine.BSF.2.00.1308141039210.7258@mail.neu.net> In-Reply-To: <alpine.BSF.2.00.1308141526150.88779@thunderhorn.york.ac.uk> References: <mailman.3.1376308800.8628.freebsd-current@freebsd.org> <alpine.BSF.2.00.1308121638160.7258@mail.neu.net> <alpine.BSF.2.00.1308141526150.88779@thunderhorn.york.ac.uk>
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On Wed, 14 Aug 2013, Gavin Atkinson wrote: > On Mon, 12 Aug 2013, AN wrote: >> FreeBSD FBSD10 10.0-CURRENT FreeBSD 10.0-CURRENT #78 r253966: Mon Aug 5 >> 14:42:05 CDT 2013 root@FBSD10:/usr/obj/usr/src/sys/MYKERNEL amd64 >> >> # svn info >> Path: . >> Working Copy Root Path: /usr/src >> URL: svn://svn.freebsd.org/base/head >> Relative URL: ^/head >> Repository Root: svn://svn.freebsd.org/base >> Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f >> Revision: 254252 >> Node Kind: directory >> Schedule: normal >> Last Changed Author: ed >> Last Changed Rev: 254252 >> Last Changed Date: 2013-08-12 13:17:45 -0500 (Mon, 12 Aug 2013) > > [...] > >> /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/zone.c:14682:11: warning: >> null character ignored >> [-Wnull-character] >> isc_time_ >> ^ >> /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/zone.c:14682:12: warning: >> null character ignored >> [-Wnull-character] >> isc_time_<U+0000> >> ^ >> /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/zone.c:14682:13: warning: >> null character ignored >> [-Wnull-character] >> isc_time_<U+0000><U+0000> >> ^ > [...] >> /usr/src/lib/bind/dns/../../../contrib/bind9/lib/dns/zone.c:14682:23: warning: >> null character ignored >> [-Wnull-character] >> >> isc_time_<U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000><U+0000> >> >> ^ > > OK, this doesn't look good. Somehow, that file appears to contain a load > of \0 characters. > > Looking into where exactly in the file this appears (lines 14678-14688): > > set_resigntime(zone); > UNLOCK_ZONE(zone); > } > > isc_time_settoepoch(&zone->refreshkeytime); > > /* > * If we're doing key maintenance, set the key refresh timer to > * the next scheduled key event or to one hour in the future, > * whichever is sooner. > */ > > The null characters start exactly at 0x60000 into the file, a page > boundary: > > 005ffd0 6e 74 69 6d 65 28 7a 6f 6e 65 29 3b 0a 09 09 55 |ntime(zone);...U| > 005ffe0 4e 4c 4f 43 4b 5f 5a 4f 4e 45 28 7a 6f 6e 65 29 |NLOCK_ZONE(zone)| > 005fff0 3b 0a 09 7d 0a 0a 09 69 73 63 5f 74 69 6d 65 5f |;..}...isc_time_| > 0060000 73 65 74 74 6f 65 70 6f 63 68 28 26 7a 6f 6e 65 |settoepoch(&zone| > 0060010 2d 3e 72 65 66 72 65 73 68 6b 65 79 74 69 6d 65 |->refreshkeytime| > 0060020 29 3b 0a 0a 09 2f 2a 0a 09 20 2a 20 49 66 20 77 |);.../*.. * If w| > > So, at least one whole page has been replaced by a page of zeros. This > feels like it could actually be a VM issue, though it could also be > storage. What drives are you using on this system (AHCI? SSD?), and are > you using anything like e.g. geom_mirror? A full dmesg may be useful. > > Gavin > Hi Gavin: Thanks for your reply. I am using AHCI on a single disk. I believe what happened was that I had some disk corruption recently, fixed by a full fsck in single user mode. After fixing that and rebooting I started to see this problem. I was able to fix it by deleting /usr/src and doing a fresh svn co. Now buildworld compiles successfully. So, it was a local problem on this machine and not anything with the source code as I did not see anyone else report this problem. Thanks again for your help, sorry for the noise. Andy
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