Date: Fri, 28 Nov 2014 20:32:42 +0100 From: Svatopluk Kraus <onwahe@gmail.com> To: Ulrich Grey <usenet@ulrich-grey.de> Cc: freebsd-arm@freebsd.org, Ian Lepore <ian@freebsd.org> Subject: Re: Another Test Run with Alternative pmap Implementation Message-ID: <CAFHCsPUueQs4dLxQFQa6_oyiDkhGqmnxmbD5xrAStryqNv7_Dw@mail.gmail.com> In-Reply-To: <1417185069.1047.4.camel@revolution.hippie.lan> References: <20141113125236.b16cd4e5f0e339eac0494cd4@ulrich-grey.de> <C6FED1A5-490C-47BE-B071-484271ED370E@me.com> <20141115143444.5ad037548e06f289d2532fb7@ulrich-grey.de> <CAFHCsPUJ1HhLqAjitPg6mPzhMYSui64Xmu4omO7Pkp%2B0kPZnAA@mail.gmail.com> <20141119225903.81fbbc7809093a0e6e0de9d5@ulrich-grey.de> <CAFHCsPXnSFY_X-O73M%2Bh0xO_XJ0cTmkRwtu-o4omPndnfbEhmg@mail.gmail.com> <20141120151900.a68c6d8316b96a62cb65d17a@ulrich-grey.de> <CAFHCsPWTnU7j0MC7YSHFFDE97%2B%2BBrnkJKGnK9zkxVGemaa6nAw@mail.gmail.com> <20141121115941.54d4e36b103341c3adf7eb36@ulrich-grey.de> <20141124132733.4e96b906f0d1ab69969dddd9@ulrich-grey.de> <1416840814.1147.380.camel@revolution.hippie.lan> <20141125225451.924a5df4bdb4753db273b8c5@ulrich-grey.de> <CAFHCsPXPEN3U%2B0=AtAJ4dL5g7jGuyW6=u%2B-tbHf3xH1QdJYyhQ@mail.gmail.com> <20141127234239.e2c40a8fb99ba41f9ec3a7e7@ulrich-grey.de> <20141128001235.6591396b2f6298b861a96b57@ulrich-grey.de> <CAFHCsPUcB%2Bhirfd1k-199Syug0--rHLD1qKQcJSo2gvUoTRSPA@mail.gmail.com> <1417185069.1047.4.camel@revolution.hippie.lan>
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On Fri, Nov 28, 2014 at 3:31 PM, Ian Lepore <ian@freebsd.org> wrote: > On Fri, 2014-11-28 at 10:43 +0100, Svatopluk Kraus wrote: > > Hmm, IMO, the LOR is well known. The broken pipe likely points to a > problem > > with SD card where your system is running. So, somehow your SD card stops > > working. It could be caused, in the order of likelihood, because of > > > > (1) bad SD card, > > (2) bad driver, > > (3) something else. > > > > Svata > > We haven't had any reports of trouble with the imx6 sd driver. > > I would try turning off the DIAGNOSTIC option. It's really more harmful > than useful on arm. On armv4 it makes the entire system lock up for > seconds at a time as it runs some really expensive loop to verify > something, I think it may have been VM data structures. Even on a > faster chip such as imx6 this could cause problems like sdcard timeouts, > as well as making a 2 hour compile take 7 hours. > > -- Ian > I agree with Ian, please do not use DIAGNOSTICS option. I'm sorry that I wanted you to set it. Michal recently told me that he had same experience like Ian has described here. Anyhow, if DIAGNOSTICS is enabled, there is a possibility to avoid the memory check by setting sysctl debug.vmem_check=0. Svata
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