[issue871] gtk2 related: X mouse pointer jumps and sticks to top left corner

Rumko rumcic at gmail.com
Wed Dec 12 01:00:27 PST 2007

Also, just now I managed to get my mouse stuck to the far top-left corner. USB
mouse and X was using sysmouse.

Rumko wrote:
> My subr_prf.c is the latest (1.19) (and yes, I only got 1 message per second,
> but that still seems a lot). As far as firefox is concerned, I'm running
>, but I also noticed something else. I left the machine on overnight
> (but killed firefox before I did that) and the exact same message appears for
> knode, kmail and one of the kdeinit processes (but these don't seem to get
> stuck, but seem to continue working without problems).
> Matthew Dillon wrote:
>> :I tested this patch (I'm also another one, who got his mouse stuck in X)
>> :and I get _many_ messages from firefox "kernel: pid 1158 (firefox-bin)
>> :signal return from user: illegal FP MXCSR ffff0010" (the message repeats
>> :and does not change) and the firefox process itself seems to be stuck,
>> :eating up as much CPU as it can, but doesn't do anything.
>>      Update /usr/src/sys/kern/subr_prf.c to the latest, which fixes
>>      krateprintf(). You will see only one message / sec then.
>>      When I test this, the non-GTK firefox seg-faults but the GTK firefox
>>      does in
>>      fact seem to work.  The non-GTK firefox seg-faults even without the FP
>>      changes so I don't think they made things worse.
>>      firefox-gtk1- seems to work.
>> -Matt
>> Matthew Dillon
>> <dillon at backplane.com>

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