On Wed, Jul 26, 2017 at 06:54:01AM +0900, Satoru Takeuchi wrote: > # I'm a LKML subscriber, but not a x86 list subscriber > > I found the following new linux kernel bugzilla about Ryzen related problem. > Since many developers don't check this bugzilla and I've also > encountered this problem, > I decided to introduce this problem here. > > https://bugzilla.kernel.org/show_bug.cgi?id=196481: > > I am running Ubuntu and installed the mainline kernel from the mainline PPA. > > It seems like the Ryzen processor has some bug that leads to gcc crashing > > when compiling a very large program under heavy load. This is easily > > reproduced > > in my system using the script from > > > > https://github.com/suaefar/ryzen-test > > > > (It assumes that you are running Ubuntu, maybe Debian also works. Just > > clone it and run the > script kill_ryzen.sh. It downloads the gcc 7.1 code > > and start multiple compilations of it. If any > > compilations fails its warns the user giving the time to detect failure). > > > > There is already a bug report about this in the FreeBSD bugzilla > > (https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219399#c89). > > There is also a thread on the subject in AMD community forum > > (https://community.amd.com/thread/215773?start=300&tstart=0) > > and Phoronix > > (https://www.phoronix.com/forums/forum/hardware/processors-memory/955368-some-ryzen-linux-users-are-facing-issues-with-heavy-compilation-loads).
Apparently, you can RMA your CPU: https://www.phoronix.com/scan.php?page=news_item&px=Ryzen-Segv-Response -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --
