| From: | Patrice Machin |
| Date: | 16 Aug 2000 at 19:29:03 |
| Subject: | Re: Multitask lock bug (was Re: Questions) |
Hello Oliver,
On 16-Ao�t-2000, you e-wrote :
> One way which is almost guaranteed to reproduce this problem, is to
> create a script with about 100 "run multiview test.jpg" lines in it - i.e.
> tries to a display an image 100 times, with each process running in
> parallel. With my WarpJPEG and/or WarpPNG datatypes, this will usually
> result in WarpOS coming to a standstill, as above. I notice that the
> ak* datatypes appear to workaround this problem, by only allowing one
> decoder to run concurrently (whereas my datatypes may well have 100
> decoders/tasks running concurrently, in the this case).
How strange...
I experienced the very same deadlock problem with Andreas' datatypes (under
PowerUp emulation) and solved it by switching to your datatypes... By the way,
the deadlocks usually appeared after 10 or 20 times, not 100 :/
Regards,