Wireshark mailing list archives

Re: odd Windows petri-dish failure


From: Pascal Quantin <pascal.quantin () gmail com>
Date: Wed, 8 Jul 2015 23:32:19 +0200

2015-07-08 23:28 GMT+02:00 Gerald Combs <gerald () wireshark org>:

On 7/8/15 1:46 PM, Hadriel Kaplan wrote:
Anyone seen this type of petri-dish failure before, on the Windows
petri-dish, and know what it means?

Resolving deltas:  71% (3551/4999)
Resolving deltas:  72% (3600/4999)
error: index-pack died of signal 11
fatal: index-pack failed

program finished with exit code 128
elapsedTime=22.854000

It started showing up after the Gerrit 2.10 upgrade. As far as I can tell
it's due to a combination of the following:

- Slow initial I/O speeds on AWS EC2[1].
- Git on Windows not being particularly fast.
- Gerrit 2.10 timing out HTTP connections after 30 seconds.
- The "retry" flag in Buildbot's Git step not doing much of anything.

Until one of these is fixed we have a build step named "prefetching git to
work around Gerrit timeout and Buildbot retry bugs", which should trigger
enough I/O reads to work around the timeout and retry issues. Unfortunately
it's not guaranteed to work every time.

[1] http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-prewarm.html


Which Git version is installed on the Petri Dish machine? Version 1.9.5?
If yes, would it be worth giving a try with the upcoming Git For Windows
release found here and based on Msys2 and Git 2.4.5?
https://github.com/git-for-windows/git/releases
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