Date: Sat, 08 Feb 2014 15:13:46 -0500 From: Michael Butler <imb@protected-networks.net> To: Gleb Smirnoff <glebius@FreeBSD.org>, freebsd-current@FreeBSD.org Subject: Re: buildworld fails with "Zero byte read from file, skipping rest of line" Message-ID: <52F68FFA.9020009@protected-networks.net> In-Reply-To: <20140115084035.GC26504@glebius.int.ru> References: <20140114072620.GB83762@caravan.chchile.org> <20140114085818.GQ8472@FreeBSD.org> <20140115074053.GD83762@caravan.chchile.org> <20140115084035.GC26504@glebius.int.ru>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/15/14 03:40, Gleb Smirnoff wrote: > Jeremie, > > On Wed, Jan 15, 2014 at 08:40:53AM +0100, Jeremie Le Hen wrote: > J> > J> ===> gnu/usr.bin/groff/src/libs/libgroff (all) > J> > J> make[6]: "/usr/obj/usr/src.svn/tmp/usr/src.svn/gnu/usr.bin/groff/src/libs/libgroff/.depend" line 3: warning: Zero byte read from file, skipping rest of line. > J> > J> make[6]: "/usr/obj/usr/src.svn/tmp/usr/src.svn/gnu/usr.bin/groff/src/libs/libgroff/.depend" line 3: Need an operator > J> > J> make[6]: "/usr/obj/usr/src.svn/tmp/usr/src.svn/gnu/usr.bin/groff/src/libs/libgroff/.depend" line 4: Need an operator > J> > J> make[6]: Fatal errors encountered -- cannot continue > J> > J> make[6]: stopped in /usr/src.svn/gnu/usr.bin/groff/src/libs/libgroff > J> > J> *** [all] Error code 1 > J> > J> > J> > J> Typscript available here: > J> > J> http://people.freebsd.org/~jlh/typescript.buildworld.txt > J> > J> > J> > J> Any ideas? > J> > > J> > Can you try to reproduce this with unmapped I/O turned off in boot loader? > J> > J> I've never heard of that. Can you please point me to the right > J> code/doc? > > In loader prompt: > > OK set vfs.unmapped_buf_allowed=0 > OK boot I'm seeing this on a non-virtualized laptop. Core Duo T2300 (1.8GHz Prescott architecture) Occurs randomly with either IDE or AHCI enabled on ICH-7 or on a USB external drive. Seems to only occur under heavy loads such as recompiling libreoffice, KDE or similar. Maybe a race condition in buffer management? imb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlL2j/kACgkQQv9rrgRC1JJADgCfb4sPmsA1F2HZm3HEJdCCtw43 u9AAoMpEmC94skFsLpCSWbulY1epWtk3 =aewU -----END PGP SIGNATURE-----
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