Date: Fri, 7 Jul 2017 17:02:25 -0700 From: Mark Millard <markmi@dsl-only.net> To: Michael Butler <imb@protected-networks.net> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: dump trying to access incorrect block numbers? [It is not just dump that can get such] Message-ID: <A24C4758-F5F8-4644-836E-246937B9FF3C@dsl-only.net> In-Reply-To: <fa0a2aed-e5c7-1d72-e988-64b2683dbb12@protected-networks.net> References: <B76117D2-F3E5-4DC6-8CE8-D39405B6ED47@dsl-only.net> <fa0a2aed-e5c7-1d72-e988-64b2683dbb12@protected-networks.net>
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On 2017-Jul-7, at 4:49 PM, Michael Butler <imb at protected-networks.net> wrote: > On 07/07/17 19:02, Mark Millard wrote: >> Michael Butler imb at protected-networks.net wrote on >> Fri Jul 7 14:45:12 UTC 2017 : >>> Recent builds doing a backup (dump) cause nonsensical errors in syslog: >>> >>> Jul 7 00:10:24 toshi kernel: >>> g_vfs_done():ada0s3a[READ(offset=6050375794688, length=32768)]error = 5 >>> Jul 7 00:10:24 toshi kernel: >>> g_vfs_done():ada0s3a[READ(offset=546222112768, length=32768)]error = 5 >>> Jul 7 00:10:24 toshi kernel: > > [ snip ] > >> Both dump and fsck likely are using snapshots >> so the issue is likely ties to ufs snapshots. >> May be it has a INO64 incompleteness that >> gives the huge offsets. (Wild guess.) >> If your context was more typical then the issue >> spans little-endian and big-endian since the >> powerpc context is big-endian but most usage >> is little endian. > > I'm seeing this on both amd64 and i386 builds (@SVN r320760) when dump tries to build a snap-shot. These are both non-debug, non-invariant production boxes Sounds like there is enough evidence of repeatability, span of TARGET_ARCH's and systems, and recent enough range of -r320??? vintages for a bugzilla submittal. Your TARGET_ARCH's are more main-stream then where I've tried something that showed the issue. What to do the initial submittal? === Mark Millard markmi at dsl-only.net
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