On 2017.08.19 at 12:12 +0200, Torbjörn Granlund wrote: > Markus Trippelsdorf via cfarm-users <cfarm-users@lists.tetaneutral.net> > writes: > > On 2017.08.19 at 10:59 +0200, Aymeric via cfarm-users wrote: > > gcc67 is unstable, we are aware, either there is a bug within the > > processor or within the kernel (maybe both), last captured crash was a > > kernel Oops. From what we found were are not the only one to have > > stability issue with AMD Ryzen and Linux. > > It is a CPU bug. The only solution is to RMA the CPU. Just contact AMD. > They are aware of the issue. All Ryzen CPUs are potentially affected. > See: https://community.amd.com/thread/215773 > > Not all Ryzen CPUs are affected, only ones produced until some time > during the spring (week 25 CPUs are said to be good). > > It is a good idea to flash the latest BIOS before doing anything else. > Many Ryzen bugs can be worked around with BIOS supplied firmware. The > segfault bug might not have a firmware fix, though.
I've seen several random segfaults on gcc67 myself. There is no firmware workaround. The silicon is buggy. -- Markus _______________________________________________ cfarm-users mailing list cfarm-users@lists.tetaneutral.net https://lists.tetaneutral.net/listinfo/cfarm-users
