The price of living on the edge is I find the fun bugs... :)
I have VMs running that have been crashing when someone is watching
video (I'm pretty sure there's always sound at the same time).
I'm running on code from spice.git at
8cd92109d42db45fd5b3aa9674b2148550ffe17b
The last thing I get on in the log is:
((null):17981): Spice-ERROR **: snd_worker.c:434:snd_receive: assertion
`n' failed
Immediate context:
431 for (;;) {
432 ssize_t n;
433 n = channel->recive_data.end - channel->recive_data.now;
434 spice_assert(n);
435 n = reds_stream_read(channel->stream,
channel->recive_data.now, n);
436 if (n <= 0) {
437 if (n == 0) {
438 snd_disconnect_channel(channel);
439 return;
440 }
I haven't looked into this much further; it doesn't immediately trip
every time you stream sound, so I'm not sure of the exact trigger. From
talking to elmarco on IRC, it seems that the error in the code might be
immediately obvious to someone who knows what to look for:
9:41 < nahamu> http://fpaste.org/iMPB/
09:41 < nahamu> I tripped over an assert in snd_worker ^^^
09:41 < nahamu> trying to figure out what I should do to isolate it.
09:48 < elmarco> nahamu: you could report a bug, the code looks suspicious
09:49 < elmarco> this line in particular channel->recive_data.now =
channel->recive_data.buf + n;
09:51 < nahamu> elmarco: do I need anything else in such a bug report,
or is it enough to let people know that the
VM tripped over the assert?
09:51 < elmarco> if think the code is sufficiently suspicious :)
09:52 < nahamu> elmarco: thanks. I'll fire off something to the mailing
list.
Let me know if there's anything I can do to help isolate this further.
-Nahum
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