Freezes when scrolling

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#32 Freezes when scrolling

Status: open-works-for-me

Owner:

Labels: None

Priority: 5

Updated: 2009-09-23

Created: 2009-09-23

Creator: A.C.H.

Private: No

When I open a file and scroll it by pressing and holding PgDn, it often gets stuck, either some 60-80 kilobytes from the start or at the end. Observed on AMD64 Linux. Also may happen with other scrolling key, but less often.

Discussion

Anonymous - 2009-09-23

assigned_to: nobody --> nickols_k

status: open --> open-works-for-me
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Anonymous - 2009-09-23

Can't reproduce! Could you please attach the file which causes problems?

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A.C.H. - 2009-09-23

Every big file (>40k) causes problems. The attached /bin/ls sometimes freezes at ~19% when scrolled in console without X. Always freezes after a reboot, probably won't after "ls" has been run.

Freezes at the end in XFCE4 terminal 0.2.12 and in gnome-terminal-2.24.2. In gnome-terminal may unfreeze in a minute or crash. More likely to freeze in terminal emulators that redraw text slowly or at lower font sizes.

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A.C.H. - 2009-09-23

/bin/dd

dd

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A.C.H. - 2009-09-23

Sourceforge has 256k limit, can't upload ls. The attached /bin/dd sticks at the end in graphic terminals too.

For some reason problems no longer happen in tty (everything cached?). I think they may return after a reboot, but I don't want to reboot right now.

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Anonymous - 2009-09-23

I tried biew-x86_64.Linux64 with your file in XFCE Terninal 0.2.12 as root and as user and biew works fine!

My system is:

X.Org X Server 1.5.2
Release Date: 10 October 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.22.9-server-1mdv x86_64
Current Operating System: Linux *** 2.6.27.6 #1 SMP PREEMPT Mon Nov 17 13:09:17 EST 2008 x86_64
Build Date: 25 October 2008 05:37:34PM

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A.C.H. - 2009-09-23

Just in case.

uname -a:
Linux crater 2.6.30-gentoo-r5 #6 PREEMPT Tue Sep 22 16:07:46 MSD 2009 x86_64 AMD Athlon(tm) 64 Processor 2800+ AuthenticAMD GNU/Linux

X -version:
X.Org X Server 1.5.3
Release Date: 5 November 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.28-gentoo-r5 x86_64
Current Operating System: Linux crater 2.6.30-gentoo-r5 #6 PREEMPT Tue Sep 22 16:07:46 MSD 2009 x86_64
Build Date: 19 July 2009 11:44:40PM

Have you tried increasing screen resolution, maximizing terminal and using small, preferrably TTF font? A slow video driver (e.g. vesa) may help too. The problem seems to be caused by biew processing keystrokes slower than they come, when screen takes too long to update. The more keystrokes it gets, the less responsive it becomes. Until it stop reacting entirely. Just a guess.

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Anonymous - 2009-09-24

I've resized Terminal-0.2.12 up to 229x61 and couldn't reproduce the problem.

>The problem seems to be caused by biew processing keystrokes slower than
>they come, when screen takes too long to update. The more keystrokes it
>gets, the less responsive it becomes. Until it stop reacting entirely. Just
>a guess.

biew is single thread application for now and can't send lines to Terminal faster than Terminal paints them

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