[vdr] frequent crashes in OSD with DXR3

[Andreas Wundsam <l-vdrlist@wundsam.net>]

Hi,

I'm experiencing frequent crashes of the vdr OSD on the DXR3 plugin, with many
different hardware and software versions (see below). It seems to me this might
be a thread synchronisation (missing mutex) problem:

I can reproduce the effect by bringing up the recordings table and quickly
flipping the pages of the recordings ~10-15 times. Then the cursor hangs for a
second, and afterwards the whole OSD layer flickers wildly, which can only be
ended by killing the vdr process. One can usually avoid this problem by moving
the cursor 'nice'n'slow', but still it's kind of annoying.

Can anyone confirm this effect? (or even better, does anyone know a workaround /
solution)?

Note that I am using these computers as "replay" only stations, that is without
a dvb card plugged in.

Greetings

Andi

---------------
my config:

* HARDWARE:
  CPU: Pentium3-800(Coppermine), Intel 815 Chipset
        or
       Pentium 200MX, Intel VX chipset

  DXR3: Creative Encore DXR3 (board id: ct7240)
        EM8300 rev 2 (chip: CT7235-VBQ 9912 Rev B)
        adv7175aks

* SOFTWARE:
  Kernel:   vanilla 2.4.21-rc3
	    or
  	   2.4.21-rc7-ac2
  DXR3 drivers: em8300-0.13.0.tar.gz
              or
            latest cvs version
  DXR3 Module Options:
           adv717x pixelport_16bit=0 pixelport_other_pal=1
           em8300 dicom_fix=1 dicom_control=1 dicom_other_pal=1

  EM8300 microcode: 3 from Creative-DXR3-Win2k driver
                    or supplied version with dxr3 drivers

  VDR-DXR3-plugin:   0.1.9 or 0.2.0
  VDR:               1.1.32 or 1.2.0




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