Bug#277309: Does not reproduce with -7

[Junichi Uekawa <dancer@netfort.gr.jp>]

> Junichi Uekawa wrote:
> | tags 277309  -upstream -moreinfo
> | retitle 277309 xserver-xfree86: [nv] X freezes when scrolling programs
> or terminal windows on NV11 [GeForce2 MX/MX400] rev 178 with
> 4.3.0.dfsg.1-8, and not -7
> | thanks
> |
> |
> | Hi,
> |
> |
> | RECOMMENDED ACTION:
> |
> | 1. revert nv driver to what was in -7
> | or
> | 2. find what's changed in -8 and try to track down what's doing the
> buffer overflow
> 
> The driver has been update to the latest one from X.org. There are no
> updates available and reverting the changes will reintroduce several
> other bugs (reason why it has been updated in the first place).

Hmm.. this situation is not too good.

What would be a good way to debug the problem?
gdb backtrace seems to say very little, strace/ltrace doesn't
seem to be too helpful either.



Having X freeze every once an hour is not a good experience,
or having no acceleration.


regards,
	junichi