[Nouveau] [Bug 13257] using nouveau on NV17 kills the KDE VNC server

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13257


Stuart Bennett <sb476 at cam.ac.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTOURBUG




--- Comment #6 from Stuart Bennett <sb476 at cam.ac.uk>  2009-01-26 19:18:45 PST ---
Reproduced using vncviewer 4.1.3, ddx cf65b875, drm e6a062c2, and krfb from KDE
3.5.7 (openSUSE 10.3) on nv34m.

Backtrace looks like:

#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb6bd38f5 in *__GI_raise (sig=6)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2  0xb6bd51e1 in *__GI_abort () at abort.c:88
#3  0xb6c0a80c in __libc_message (do_abort=2,
    fmt=0xb6cc0f28 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:170
#4  0xb6c104b6 in malloc_printerr (action=2,
    str=0xb6cc1020 "double free or corruption (!prev)",
    ptr=<value optimized out>) at malloc.c:5887
#5  0xb6c12179 in *__GI___libc_free (mem=0x8275fb0) at malloc.c:3622
#6  0xb6e040f9 in _XDestroyImage (ximage=0x8274058) at ImUtil.c:438
#7  0x08056a0c in ~XUpdateScanner (this=0x8272f48)
    at ./krfb/krfb/xupdatescanner.cc:203
#8  0x0805781d in RFBController::stopServer (this=0xbf8f86d0, xtestUngrab=true)
    at ./krfb/krfb/rfbcontroller.cc:481
#9  0x0805a6b7 in ~RFBController (this=0xbf8f86d0)
    at ./krfb/krfb/rfbcontroller.cc:381
#10 0x0805f180 in main (argc=Cannot access memory at address 0x52f4
) at ./krfb/krfb/main.cpp:188
#11 0xb6bbffe0 in __libc_start_main (main=0x805e920 <main>, argc=3,
    ubp_av=0xbf8f8c64, init=0x8081c10 <__libc_csu_init>,
    fini=0x8081c00 <__libc_csu_fini>, rtld_fini=0xb7f20f60 <_dl_fini>,
    stack_end=0xbf8f8c5c) at libc-start.c:222
#12 0x08055601 in _start ()

I'm content to call this a krfb bug; it seems ridiculously easy to make the
tested KDE3 version fail in a number of ways.  The KDE4 (4.1.3) version of krfb
doesn't show it (though at depths != 16 it suffers
http://bugs.kde.org/show_bug.cgi?id=162493 ).


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