Ubuntu
vim package

vim hangs when loading/scrolling attached file

Bug #934591 reported by Jack Leigh
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
vim
New
Undecided
auto-bugs
vim (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

When the attached file is loaded in vim it lags massively and uses 100% of one cpu. Tested on two computers, maverick and oneiric. The maverick instance of vim is untouched/as installed.
Something to do with really long lines/wrapping?

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: vim 2:7.3.154+hg~74503f6ee649-2ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-16.29-generic-pae 3.0.20
Uname: Linux 3.0.0-16-generic-pae i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Fri Feb 17 23:48:53 2012
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
SourcePackage: vim
UpgradeStatus: Upgraded to oneiric on 2011-09-22 (148 days ago)

Revision history for this message
Jack Leigh (leighman) wrote :
Revision history for this message
Vadim Rutkovsky (roignac) wrote :

Confirmed and sent upstream

Changed in vim (Ubuntu):
status: New → Confirmed
Revision history for this message
David Hoeffer (d-hoeffer) wrote :

It's caused by the syntax highlighting, which uses regular expression and slows down to a crawl on long lines. Do ":syntax off" and you'll be able to work fine. Alternatively you can limit syntax highlighting to the fist n columns by doing for example "set synmaxcol=120".

Revision history for this message
Vadim Rutkovsky (roignac) wrote :

Upstream comment from Bram:
"Try this:

       :set synmaxcol=100

The syntax rules are too complex.

For .svg we use the XML syntax file, CCing the maintainer.
Not sure if we can do anything about it."
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