[Bug 792652] Re: ubiquity crashed with ValueError in command(): I/O operation on closed file
Dmitrijs Ledkovs
launchpad at surgut.co.uk
Mon Dec 10 21:52:29 UTC 2012
(reopened after a dupe bug #1027648 got filed)
Triggering this bug is inherently racy. I have tried to trigger it back
& forth myself with precise-daily image and did not manage so. Second
time around, this bug was brought to our attention through crash
database.
The statistics for this crash signature are here:
https://errors.ubuntu.com/bucket/?id=%2Fusr%2Flib%2Fubiquity%2Fbin%2Fubiquity%3AValueError%3Awatch_debconf_fd_helper%3Aprocess_input%3Await%3Acleanup%3Apreseed%3A%3Clambda%3E%3Acommand
There are no reports for versions 2.10.21, 2.10.22 and 2.10.23 which are
currently in precise-proposed testing.
Please consider this bug verified for precise SRU.
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https://bugs.launchpad.net/bugs/792652
Title:
ubiquity crashed with ValueError in command(): I/O operation on closed
file
Status in “ubiquity” package in Ubuntu:
Fix Released
Status in “ubiquity” source package in Oneiric:
Won't Fix
Status in “ubiquity” source package in Precise:
Fix Committed
Bug description:
Binary package hint: ubiquity
I got this problem when I was trying clicking the Install Ubuntu 11.04
from the desktop on Asus 1215B red.
TEST CASE
1. Boot from a Live media
2. At Ubiquity Greeter click on 'Try Ubuntu' and start a live session
3. Start ubiquity
4. Proceed to step 'Prepare'
5. Click on 'Continue' then quickly click on 'Quit' on the main dialog then 'Quit' on the confirmation dialog before the UI switches to step 'partman'
Note:
Timing seems important and you need to repeat steps 3 to 5 and clicking at slightly different moment until it crashes. It is easier to reproduce on low-end hardware than VM.
Also I reproduced it more often with other languages than english.
ACTUAL RESULT
This crash or UI hang
ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: ubiquity 2.6.10
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Fri Jun 3 21:24:09 2011
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InterpreterPath: /usr/bin/python2.7
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity gtk_ui
ProcEnviron: Error: [Errno 13] Permission denied: '/proc/3371/environ'
PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', 'gtk_ui']
SourcePackage: ubiquity
Title: ubiquity crashed with ValueError in command(): I/O operation on closed file
UpgradeStatus: No upgrade log present (probably fresh install)
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