Windows 10 random hg verify errors?
Eric Pyle
eric_pyle at sil.org
Tue Feb 16 21:22:39 UTC 2016
*Has anyone* else experienced *random hg verify* errors under windows 10
(64bit)?
Basically, hg verify gives me different results on the same (albeit rather
large 6Gigabyte) repository even though I haven't changed the repository
(e.g. different files and count for "integrity errors encountered", or
sometimes it succeeds without any errors.)
*Does anyone* know of a similar large *public* project (with many files and
a lot of history) that I could try to reproduce the error on that as well?
(So I can invite support developers to try to reproduce it).
My current recipe for reproducing this problem: it seems to be more likely
to occur soon after rebooting and logging into the system. Otherwise hg
verify seems to be succeeding more often than not. As far as I can tell,
the problem does not depend on the version of mercurial. I can reproduce
random the errors on multiple versions.
However, when I boot my system *under* *Safe-Mode* I *can't reproduce*
these errors, random or otherwise. hg verify just passes like I expect.
Likewise running hg verify from a windows 7 (64bit) machine on the same
repository doesn't report such errors.
I've reproduced the problem on both by cloning and booting a Solid State
Drive (SSD) and non-SSD drive on the same system. Also, had a colleague
with the same type of system/setup reproduce the problem by running hg
verify on my repository via shared local network folder.
Thanks for any feedback!
Here's an example of two different runs (under TortoiseHg 3.7.1). As you
can see by the timestamps, the first run reported 3 errors, but a
subsequent run reported none.
paratext% hg verify
% hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
Paratext/MainForm.Designer.cs at 17792: unpacking d73c194b3e16: integrity
check failed on data/Paratext/MainForm.Designer.cs.i:229
PublishingAssistant/HelperClasses/CreateInDesignDocument4.cs at 22782:
unpacking f45bc93b7f83: integrity check failed on
data/PublishingAssistant/HelperClasses/CreateInDesignDocument4.cs.i:58
PublishingAssistant/NumberScripts/ChineseTraditionalLong.py at 10720:
unpacking 368f3c4eadfc: integrity check failed on
data/PublishingAssistant/NumberScripts/ChineseTraditionalLong.py.i:1
10518 files, 24071 changesets, 81121 total revisions
3 integrity errors encountered!
(first damaged changeset appears to be 10720)
[command returned code 1 Fri Feb 12 09:50:52 2016]
paratext% hg verify
% hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
10518 files, 24071 changesets, 81121 total revisions
[command completed successfully Fri Feb 12 09:53:44 2016]
As I said, this particular "paratext" project repository is 6 Gigabytes.
I'm guessing the large size of the repository in terms of project history
and number of files (perhaps even filesize) increases the *likelihood* of
reproducing this problem. Unfortunately my repository is private so I can't
share it with others like mercurial support.
*Here's a brief profile of my system:*
Windows 10 Pro Version 1511 OS Build 10586.104
Dell Optiplex 9020
16GB RAM
i7-4790 CPU @ 3.60Ghz
64bit
--
Eric Pyle
Dallas, TX
SIL - Language Software Developer
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