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Bug 6460 - tightvnc display problems on Sparc
Summary: tightvnc display problems on Sparc
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: Sparc Linux
: High normal (vote)
Assignee: Sparc Porters
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2002-08-14 10:50 UTC by Chris Paulson-Ellis
Modified: 2006-08-06 16:22 UTC (History)
2 users (show)

See Also:
Package list:
Runtime testing required: ---


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Description Chris Paulson-Ellis 2002-08-14 10:50:18 UTC
TightVNC runs on Gentoo/sparc, but there are display problems. The vncviewer 
shows a desktop okay, but the characters in any text appear like mirror 
writing. There are some other anomalies as well.

This appears to be a problem with the Xvnc server, not the vncviewer. I can use 
the sparc viewer against an x86 server okay. It is not a simple endian issue, 
because the same problem appears with the viewer & server running on the same 
sparc box.

The latest ebuild for tightvnc is for version 1.2.3. I downloaded and compiled 
version 1.2.5, but sadly the result was the same.

I can't use regular AT&T vnc on sparc (see bug #4691).
Comment 1 Chris Russell 2002-09-12 07:54:59 UTC
vnc-3.3.3-r3 (if you merge it manually because it's masked in the profile)
builds OK on sparc64 now but has the same mirror problem you refer to with tightvnc.
I don't have java installed yet, but when I do, I'd like to try the java server
to see if it has the same problem as the vncviewer shows.
Comment 2 Chris Russell (RETIRED) gentoo-dev 2002-09-15 08:30:19 UTC
ok, the java client is no different (we expected that) not to mention I said
java server before.. :)

I tried patching the stock vnc sources with the debian patch (
http://ftp.debian.org/debian/pool/main/v/vnc/vnc_3.3.3r2-20.diff.gz ) instead of
the mandrake and gentoo ones, compiled with
`make CDEBUGFLAGS="-mcpu=v9 -O3 -pipe" World`
backed up /usr/bin/Xvnc, copied ./programs/Xserver/Xvnc to /usr/bin and
./libvncauth/libvncauth.* to /usr/local/lib (just to cleanup easily later) then
restarted the server, the backwards fonts are gone and it appear to work as
expected.

perhaps someone (with more knowledge than I) might take a closer look at the
debian patch to see exactly what resolves this particular issue?

it should also be noted that with just the debian patch vnc does build on sparc
now, the patch introduced in -r3 of the ebuild also allowed it to work so maybe
they are similar/related.
Comment 3 Jason Wever (RETIRED) gentoo-dev 2002-12-28 12:01:30 UTC
I have put in a bug with the tightvnc developers.  It can be viewed at
http://sourceforge.net/tracker/index.php?func=detail&aid=659234&group_id=14067&atid=114067

Hopefully something will come of this.
Comment 4 Jason Wever (RETIRED) gentoo-dev 2003-03-04 07:34:15 UTC
Tested against the new tightvnc (1.2.8), problem still exists.  No response to the open bug in their bug tracking system.
Comment 5 Martin Holzer (RETIRED) gentoo-dev 2003-04-28 17:09:16 UTC
This one is definitely a vendor problem.  We've been keeping it open until a resolution is found but we could close it since it isn't a gentoo bug.
Comment 6 Jason Wever (RETIRED) gentoo-dev 2006-08-06 16:21:19 UTC
Found a Debian patch that appears to fix this issue.
Comment 7 Jason Wever (RETIRED) gentoo-dev 2006-08-06 16:22:03 UTC
The Debian patch works here and has been applied to tightvnc-1.2.9-r2