On Sat, Jun 9, 2012 at 2:22 AM, Walter Bender <walter.ben...@gmail.com> wrote: > On Tue, Jun 5, 2012 at 10:37 AM, Martin Langhoff <mar...@laptop.org> wrote: >> Hi folks, >> >> the Dextrose team has been hunting a bug on XO-1.5, on their variant >> of 11.3.x ("Dextrose 3" or DX3), and they are pointing out that it >> could be a latent or unreported problem in 11.3.x series. It could >> also be a problem in their modifications. >> >> While they continue to investigate, it is important to hear whether >> anyone has seen XO-1.5s handing during shutdown, on the "Warnings" >> screen. >> >> - It seems to affect some units, not all. So far it has been seen on >> 3 units with SN starting with SHC037 . >> >> - Units affected show the symptoms 2 out of 5 boots. >> >> - Seems to be related to umount of /home failing. Adding sync ; sleep >> 2; before umount seems to cure it; that's their current workaround. >> >> - Their debugging adventures are documented at >> http://dev.laptop.org.au/issues/1033 >> >> - They will be checking whether the symptoms follow the microSD card >> or the motherboard, swapping microSD with a "good" unit. >> >> Why is this important? When the unit hangs during shutdown, it is left >> in a condition where it can overheat, potentially damaging the unit. >> >> The bottom line: have you seen this issue on XO-1.5 + 11.3.x? Even if >> ocassionally? Let us know, and join the bug-hunting party. >> >> cheers, >> >> >> >> m >> -- >> mar...@laptop.org -- Software Architect - OLPC >> - ask interesting questions >> - don't get distracted with shiny stuff - working code first >> - http://wiki.laptop.org/go/User:Martinlanghoff >> _______________________________________________ >> Devel mailing list >> Devel@lists.laptop.org >> http://lists.laptop.org/listinfo/devel > > While I haven't seen the exact symptoms described here, I have seen > some problems here in Chachapoyas. XO 1.5s running 11.3.1. It seems > that machines that are running for quite some time with very active > use eventually hang. I grabbed some longs from a Browse session, which > seems to be the activity running when the crashes happen, but looking > at the logs, it seems to be something failing at a lower level. See > http://bugs.sugarlabs.org/ticket/3678 > > Also, at times, Restart fails to restart. >
In our specific case (of this problem on an XO-1.5 running dx3), the hang was occurring even when almost no activity was done, i.e. start the XO, wait for sugar boot, shutdown the XO. > -walter > > -- > Walter Bender > Sugar Labs > http://www.sugarlabs.org > _______________________________________________ > Devel mailing list > Devel@lists.laptop.org > http://lists.laptop.org/listinfo/devel -- Anish | an...@sugarlabs.org _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel