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Date: Fri, 12 Mar 2010 00:10:37 +1100 From: dave b <db.pub.mail@...il.com> To: Daniel Mack <daniel@...aq.de> Cc: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, linux-arm-kernel@...ts.infradead.org, Mikael Pettersson <mikpe@...uu.se>, linux-kernel@...r.kernel.org Subject: Re: weirdness with compiling a 2.6.33 kernel on arm debian 2010/3/8 Daniel Mack <daniel@...aq.de>: > On Mon, Mar 08, 2010 at 10:53:37AM +0100, Uwe Kleine-König wrote: >> On Sun, Mar 07, 2010 at 12:05:21PM +1100, dave b wrote: >> > Ok... however how should one test the memory of an arm machine? ... >> > memtest is only for x86. *I am referring to the kernel memtest and not >> > memtest86. >> The easiest is: rerun make and check if it fails at exactly the same >> place. > > Hmm, I wonder whether this is in any way related to what Pavel and Cyril > reported in the 'bit error' thread. > > Dave, does your bootloader have any memory test built-in? Do you see the > same issues with any older kernel? > > FWIW, we're currently hunting a strange bug with hanging tasks, which > only seems to affect systems with Wifi enabled. That might be totally > unrelated to both of these issues though. > > Daniel > U-boot apparently has a very simple memory checker, this doesn't help me as I don't have serial access. I have now re-compiled the 2.6.33 kernel whilst the device has been on the 2.6.33 kernel 4 times now *without* an *error*. I also ran memtester for a while using most of the memory on the device, without invoking the oom killer. I will re-run these tests on the 2.6.32.7 kernel soon. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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