On Thu, 20 Oct 2011 14:33:39 +0200, Jean Delvare wrote: > That being said, even then the whole probe sequence shouldn't exceed > 10 ms, which I wouldn't expect a user to notice. The user-reported 4 > second delay when running xrandr can't be caused by this. 4 seconds for > 15 attempts is 250 ms per attempt, this looks like a timeout due to > non-functional bus, not a nack. Not that 250 ms is 1 jiffy for HZ=250, D'oh. Today is not my day, I can't believe I wrote this :/ 1 jiffy is obviously 4 ms only at HZ=250. So I can't explain why it is taking so much time on the reporter's machine. > which I guess was what the reporting user was running. So even with > your patch, there's still 750 ms to wait, I don't think this is > acceptable. You really have to fix that I2C bus or skip probing it. This conclusion probably still holds. -- Jean Delvare _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel