Hi, On Dec 2, 2014, at 15:13, Barry Kauler <[email protected]> wrote:
> On 11/30/14, Barry Kauler <[email protected]> wrote: >> On 11/29/14, René Rebe <[email protected]> wrote: >>> Hi, >>> >>> On Nov 29, 2014, at 16:23, Barry Kauler <[email protected]> wrote: >>> >>>> >>>> The first time that I did a build recently, using rev 43395, my laptop >>>> crashed when building gcc at stage 5. >>>> Just died, instantly, turned completely off. >>>> >>>> So I powered up again, didn't bother with a f.s. check, ran >>>> Build-Target again, this time gcc succeeded and the rest of the build >>>> completed. >>>> >>>> Second build, no problem. >>> >>> Sounds like the CPU (and i/o) load of compiling gcc caused overheat, or >>> otherwise data integrity problem :-/ >>> >>>> This morning I started the third build. This time, crashed at gcc >>>> stage-5. Did a f.s. check and tried again, crashed again. And again, >>>> and again. >>>> >>>> Not good. >>>> >>>> I currently only have two laptops to build on. Ok, I will copy >>>> everything over to my old laptop and see what happens. >>> >> >> Ah, my old laptop has succeeded! >> >> It is a faithful old workhorse. Acer model 3681WXMi, 60GB HD, 512MB >> RAM, Celeron M 410 1.46GHz (single core CPU). >> >> As I didn't have enough space on the HD, I plugged in a USB HD -- only >> USB-2. >> >> So, very slow. But, it chugged away overnight, through today. Sailed >> through compiling 'gcc' at stage-5. >> >> Which makes me wonder about the cores in my latest laptop. Its an i3 >> Intel CPU, with 4 cores, and T2 is using all 4. >> I will configure T2 to use just 1 core, and we will see what happens. >> > > Reporting the outcome. > > On my main laptop, I reduced number of jobs in parallel from 4 down to > 1, in the T2 menuconfig. > > Slower, but now my laptop does not crash. > > Very interesting. If it has 4 cores you could try if reducing to 2 is stable enough. Or put it next to an aircon, or into a refrigerator: http://www.vanshardware.com/articles/2004/05/040517_efficeonFreeze/040517_efficeonFreeze.htm René -- ExactCODE GmbH, Lietzenburger Str. 42, DE-10117 Berlin http://exactcode.com | http://exactscan.com | http://ocrkit.com | http://t2-project.org | http://rene.rebe.de
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