From mboxrd@z Thu Jan 1 00:00:00 1970 From: Meelis Roos Subject: Re: 4.12-rc5+: segfault while compiling, on rp3410 Date: Thu, 22 Jun 2017 10:32:37 +0300 (EEST) Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linux-parisc@vger.kernel.org To: John David Anglin Return-path: In-Reply-To: List-ID: List-Id: linux-parisc.vger.kernel.org > > I am using gentoo on my hppa machines and just tried > > 4.12.0-rc5-00187-gab2789b at the end of last week. This time there > > was new gcc release so a lot of work. rp3440 and A500 had no problems, > > rp3410 errored out with SIGSEGV, twice. > Helge and I have had a long discussion about these SEGVs. They are > essentially random. > The are very rare on UP machines. I don't think we have seen one yet on the > panama buildd > machine which is also a rp3410. They are much more common on phantom which is > four way > c8000 at 1 GHz. My RP3410 is UP only, with UP kernel. When it happened, it was frequent - I got multiple segfaults in different compilations after that. Reboot into the same kernel cured it and after reboot I could build the same gcc successfully, and have been happily building gunch of gentoo updates since (more than a day). -- Meelis Roos (mroos@linux.ee)