@epriestley Thank you very much for this fix and the explanation!
It seems that this issue is now finally solved and can be closed.
Great start of a new year! ;)
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Jan 4 2016
Jan 4 2016
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Dec 30 2015
Dec 30 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Today I`ve had some more time and investigated this issue a bit further.
I tried to debug this issue by using gdb and figured out that after a while the method DiffusionGitSSHWorkflow->waitForGitClient() in DiffusionGitUploadPackSSHWorkflow.php:35 loops forever:
[0x7f595b9d4208] stream_select(array(1)[0x3efe808], array(0)[0x3efe718], array(1)[0x40fb4c8], 1, 0) /home/build/phabricator/libphutil/src/channel/PhutilChannel.php:197 [0x7f595b9d3848] PhutilChannel::waitForActivity(array(1)[0x40fb588], array(1)[0x40fb588], array(0)[0x40fb5e8]) /home/build/phabricator/libphutil/src/channel/PhutilChannel.php:100 [0x7f595b9d3748] PhutilChannel::waitForAny(array(1)[0x40fb588]) /home/build/phabricator/phabricator/src/applications/diffusion/ssh/DiffusionGitSSHWorkflow.php:25 [0x7f595b9d34a0] DiffusionGitSSHWorkflow->waitForGitClient() /home/build/phabricator/phabricator/src/applications/diffusion/ssh/DiffusionGitUploadPackSSHWorkflow.php:35 [0x7f595b9d2ec8] DiffusionGitUploadPackSSHWorkflow->executeRepositoryOperations() /home/build/phabricator/phabricator/src/applications/diffusion/ssh/DiffusionSSHWorkflow.php:142 [0x7f595b9d28a0] DiffusionSSHWorkflow->execute(object[0x373c5c8]) /home/build/phabricator/phabricator/scripts/ssh/ssh-exec.php:267
Dec 21 2015
Dec 21 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Same here... Sadly D14801 doesn't fix this issue.
Dec 15 2015
Dec 15 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
As a temporary workaround our company currently uses direct checkout through the standard ssh server until we have a stable phabricator-ssh daemon available.
I hope this will be fixed soon...
Thanks anyway!
Dec 4 2015
Dec 4 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Again I attached strace to narrow down the problem further.
Dec 3 2015
Dec 3 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
The same here...
Dec 1 2015
Dec 1 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Any news on this?
Nov 17 2015
Nov 17 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Same as @cole... I've reported this issue with an already up to date OS and GIT:
build@ei-srv-l-141:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty
Nov 16 2015
Nov 16 2015
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
After playing around a while I found out that it seems the hang occurs only if another user concurrently does a git clone:
• VitaminCpp added a comment to T9724: "ssh-exec" sometimes hangs when git cloning larger repos .
Yes, the path to 'repo.git' looks like this: plink.exe git@<our_server> "git-upload-pack '/diffusion/TPTB/3RDPARTY/tbb.git'".
I've tried running sshd in debug mode, but the sshd is terminating on every new connection attempt, because it isn't running as a daemon.
The only logging output I got when my clone attempt gets stuck is the following on the server side:
Nov 16 11:03:02 ei-srv-l-141 sshd[64152]: Set /proc/self/oom_score_adj to 0 Nov 16 11:03:02 ei-srv-l-141 sshd[64152]: Connection from 192.168.192.179 port 28269 on 192.168.192.141 port 22 Nov 16 11:03:03 ei-srv-l-141 sshd[64152]: Postponed publickey for git from 192.168.192.179 port 28269 ssh2 [preauth] Nov 16 11:03:04 ei-srv-l-141 sshd[64152]: Accepted publickey for git from 192.168.192.179 port 28269 ssh2: RSA c1:1d:81:e5:81:e7:0e:b3:cd:92:3b:fa:b9:22:73:ae Nov 16 11:03:04 ei-srv-l-141 sshd[64152]: User child is on pid 64160 Nov 16 11:03:04 ei-srv-l-141 sshd[64160]: Starting session: forced-command (key-option) ''/home/build/phabricator/phabricator/bin/ssh-exec' '--phabricator-ssh-user' 'm.herzog' '--phabricator-ssh-key' '32'' for git from 192.168.192.179 port 28269 Nov 16 11:03:04 ei-srv-l-141 sudo: git : TTY=unknown ; PWD=/home/git ; USER=build ; COMMAND=/usr/bin/git-upload-pack -- /var/repo/TPL/ Nov 16 11:03:04 ei-srv-l-141 sudo: pam_unix(sudo:session): session opened for user build by (uid=0) Nov 16 11:03:07 ei-srv-l-141 sudo: pam_unix(sudo:session): session closed for user build
Nov 6 2015
Nov 6 2015