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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux ppc; en-US; rv:1.6) Gecko/20040523 Firefox/0.8 Description of problem: Now that fc-devel has OpenSSH 3.8.1p1, we can finally use the X11 security extension. However, many X11 libraries have problems with the security extension, or so I hear. Whatever the cause, it does cause problems. Since FC-devel has OpenSSH 3.8.1p1 now, I can use an fc-devel system to ssh into itself, and reproduce problems that way. :) This is a report of one such bug. Version-Release number of selected component (if applicable): xorg-x11-6.7.0-2 How reproducible: Always Steps to Reproduce: 1. ssh -X localhost 2. Run "xclock" in the SSH session 3. Look at the resulting window Actual Results: the clock looks like it has a few extra scribbles Expected Results: a proper-looking clock Additional info: I'll attach a screenshot if anyone wants. The workaround is to use -Y instead of -X. I'm not completely sure which component is at fault; xorg-x11 is just my best guess.
IIRC, something about X security changes shaped windows, to avoid people figuring out what you're running via the shape. But I could be wrong.
Barry, I attempted to reproduce this but was unable to ascertain any difference between the local xclock and xclock over ssh. Could you check to see if this is still a problem, and if so, attach a screenshot identifying the differences? My environment is Fedora Core 3 Test 1 "rawhide" with: openssh-3.9p1-3 xorg-x11-6.7.99.903-5 -Chris Kuivenhoven
I'll retest at some point in the next few days. (I'm *real* busy with other stuff so I don't know for sure that I'll be able to fit it in though.)
Ugh... things have sure been busy. :( I *finally* got a chance to retest this, albeit on RHEL 4 beta 1, not FC3-test or rawhide. I can't reproduce this anymore, so I'll close the bug.