On 13/05/21(Thu) 14:50, Vitaliy Makkoveev wrote: > On Thu, May 13, 2021 at 01:15:05PM +0200, Hrvoje Popovski wrote: > > On 13.5.2021. 1:25, Vitaliy Makkoveev wrote: > > > It seems this lock order issue is not parallel diff specific. > > > > > > > > Yes, you are right ... it seemed familiar but i couldn't reproduce it > > on lapc trunk or without this diff so i thought that parallel diff is > > one to blame .. > > > > > > sorry for noise .. > > > > Timeout thread and interface destroy thread are both serialized by > kernel lock so it's hard to catch this issue. So your report is > useful :)
The use of the NET_LOCK() in *clone_destroy() is problematic. tpmr(4) has a similar problem as reported by Hrvoje in a different thread. I don't know what it is serializing, hopefully David can tell us more.
