On 31.05.19 13:31, David wrote: > # Summary > > I was trying to clone the AOSP source tree (Android Open Source Project) > and I finally was able to formally identify what seems to be a severe > regression (one that is blocking usage) in the last version of git > (2.21.0). > > # Steps to reproduce > > The AOSP projects recommend to use ubuntu 14.04 as its build platform. > The git version for this distro is : > > ``` > root@eb57f366840e:/android# git --version > git version 1.9.1 > ``` > > In a docker image for this OS, I am able to execute: > > ``` > root@eb57f366840e:~# git clone > https://android.googlesource.com/platform/manifest > Cloning into 'manifest'... > remote: Sending approximately 39.94 MiB ... > remote: Counting objects: 852, done > remote: Finding sources: 100% (27/27) > remote: Total 16017 (delta 4968), reused 16017 (delta 4968) > Receiving objects: 100% (16017/16017), 39.65 MiB | 9.04 MiB/s, done. > Resolving deltas: 100% (4968/4968), done. > Checking connectivity... done. > ``` > > Now, on my local Archlinux Box, the git version is 2.21.0 (latest). > > The same command: > > ``` > > git clone https://android.googlesource.com/platform/manifest > ``` > > Is launching a single thread that uses 100% of one CPU core FOREVER, > until a timeout arises after like 40 minutes (the remote hung up > unexpectedly). Someone on the #git channel (irc.freenode.net) was able > to reproduce the exact same behaviour. > > I must add that this of course arises only with the repo I mention in > this email (github repositories are just fine). So probably a mismatch > in protocol between git server/client ? Anyways, I'm far from having the > skills to fix that thing. > > I hope this report is useful, and in any case, I would like to know > about the possible outcomes of this report. > > I would be actually very surprised if someone did not notice that > before, given that the latest git version is from february, but I can > try anyway :) > > Cheers, > > David Can you try GIT_TRACE_PACKET=/tmp/packet.txt GIT_TRACE=/tmp/trace.txt git clone https://android.googlesource.com/platform/manifest ? The new files in /tmp help you see where the operation stalls. Warning: the output will be large! Beat
