Hello Paolo, On 1/20/20 5:06 PM, Ahmad Fatoum wrote: > Hello Paolo, > > On 1/16/20 1:40 PM, Paolo Abeni wrote: >> I'm sorry for this trial & error experience. I tried to reproduce the >> issue on top of the vcan virtual device, but it looks like it requires >> the timing imposed by a real device, and it's missing here (TL;DR: I >> can't reproduce the issue locally). > > No worries. I don't mind testing. > >> >> Code wise, the 2nd patch closed a possible race, but it dumbly re- >> opened the one addressed by the first attempt - the 'empty' field must >> be cleared prior to the trylock operation, or we may end-up with such >> field set and the queue not empty. >> >> So, could you please try the following code? > > Unfortunately, I still see observe reodering. Any news? Thanks Ahmad -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
