Date: Fri, 21 Aug 2015 00:39:20 +0200 From: Svatopluk Kraus <onwahe@gmail.com> To: Dmitry Marakasov <amdmi3@amdmi3.ru> Cc: Adrian Chadd <adrian.chadd@gmail.com>, "freebsd-arm@FreeBSD.org" <freebsd-arm@freebsd.org>, Ian Lepore <ian@freebsd.org> Subject: Re: Instability likely related to new pmap on Cubieboard A10 Message-ID: <CAFHCsPWYuYkh2EhcYR5XmVRQ-EA9yAP3-W=4wc2jDc9Bfod0-Q@mail.gmail.com> In-Reply-To: <20150820201020.GC1245@hades.panopticon> References: <20150819013834.GD79354@hades.panopticon> <CAJ-VmokJv=nvcEkBogWeNJT65MosxnFcaitWn8FXJu32eahSdw@mail.gmail.com> <20150819120753.GH79354@hades.panopticon> <CAFHCsPVSGuWWY97ac2QVGAE77Lz2gJ12wDLpzH_kNdZsLQxh%2BQ@mail.gmail.com> <20150819134708.GJ79354@hades.panopticon> <CAFHCsPVwZS_rCnvKztg7g2%2BvrOBwQpqpPYyA2=hCLGiiU5=mrQ@mail.gmail.com> <20150819232836.GA1245@hades.panopticon> <CAFHCsPUfMhkCjiip7o6ZwGx4jNb1-Xqptsj9h_CzZ8xtfZswiA@mail.gmail.com> <20150820185417.GB1245@hades.panopticon> <CAFHCsPVrNFEDkq-j99j7a5GDBN2u7kRJRGk6Ggym2v_dre%2BN3A@mail.gmail.com> <20150820201020.GC1245@hades.panopticon>
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On Thu, Aug 20, 2015 at 10:10 PM, Dmitry Marakasov <amdmi3@amdmi3.ru> wrote: > * Svatopluk Kraus (onwahe@gmail.com) wrote: > >> >> If it helps, set it again to 1 and try attached patch, please. >> >> >> >> If neither the first nor the seconf attemp will work, can you send me >> >> output like before but from another panic. I would like to see >> >> diference. >> > >> > Just for the case, with patch and sp_enabled back to 1: >> > >> > https://people.freebsd.org/~amdmi3/pmap3.log >> > >> >> Thanks. Meantime, I tried most recent HEAD on pandaboard and >> beaglebone black and no problem there. Do you have enabled INVARIANTS >> and INVARIANT_SUPPORT in your config? > > I've enabled them at some point - at least last two runs had these > enabled. Any other way I could help? Maybe I should check if it was > new pmap commit which caused this, and if not, bisect it? > Yes, if you know that some revision of kernel was working, it would be nice to confirm that. Next thing is, with KTR option enabled, set mask to KTR_TRAP only and get me output from "show ktr" after panic or freeze if you can get to kdb. This way we will know addresses which cause segmentation faults. Svata
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