On 30/09/15(Wed) 15:17, Guillaume MULLER wrote: > >Synopsis: Dell Latitude E5530 freezes on oluging device into USB 3.0 Hub > >Category: kernel amd64 > >Environment: > System : OpenBSD 5.7 > Details : OpenBSD 5.7 (GENERIC) #2: Mon Jul 27 16:16:53 CEST 2015 > > [email protected]:/binpatchng/work-binpatch57-amd64/src/sys/arch/amd64/compile/GENERIC > > Architecture: OpenBSD.amd64 > Machine : amd64 > >Description: I've just upgraded my Dell Latitude E5530 from OpenBSD 5.6 to > >5.7, and used M:Tier's openup to get latest binpatches. > > As soon as I plug a device into the left or back female USB adapter, the > system totally freezes (only solution is to press powerdown button for 10 > seconds. Removing USB device, trying to switch to another tty, etc. do not > unfreeze the system). If I plug a USB stick in the right female USB adapter, > everything seems OK. > > I assume the problem is that left & back female USB adapters are linked to > the internal USB 3.0 hub whereas the right female USB adapter would be USB > 2.0. > > NOTE: apparently, the problem existed in 5.6: twice, I got a freeze just by > pluging in a USB device in the left female USB adapter. Since I did not use > OpenBSD (5.5&5.6) for a long time on this computer, I did no deep testing of > the problem under 5.6 and directly upgraded, thinking this would solve the > problem. > > The dmesg attached it the one after freshboot + pluging of a USB stick in the > right (USB 2.0?) female adapter. I have currently no idea on how to get more > information about the problem, since system is totally froozen, not crashed. > >How-To-Repeat: > Get a Dell Latitude E5530 running Open57 and just insert a USB stick > into left/back USB female plug > >Fix: > nothing found to solve the problem
Could you try a -current snapshot? A bug causing the same symptoms has been fixed, so I'd like to know if this is another issue or not.
