Since kernel 2.6.23-rc9 and also with 2.6.23 -git4 crashs X often :  I changed nothing; only the
kernel.  Today I reinstalled xorg; kde completely - problem continues.  Proble, not using old kernel. Im using now ext3  rather than ext4; no filesistem problems:  thus i believe its a kernel problem.  dmesg  and X crash protocoll annexed: the crash protocol is always similar
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