The bt shows you are in cpu_idle but what is the full trace. If i had to bet i would say that this is related to power management issue or some another interrupt that the OS is waiting for that does not arrive.
2011/3/19 Shachar Shemesh <[email protected]>: > In 2009 I won a SheevaPlug as part of Hamakor Prize. At the time, I made > sure it was actually working (it wasn't at first. The problem turned out to > be that the MiniUSB cable that was bundled with the device was too short to > make contact with the MiniUSB connector inside the device), and that I can > connect to it, and that was it. > > A little while ago I picked it up again, and found out it wasn't booting. I > managed to bootstrap uboot on it (which i compiled from the kirkwood git > repository), and boot it into the bundled jffs2 Ubuntu 9.04 image that came > with it, using a kernel I compiled from git (2.6.38-rc8, and later 2.6.38). > So far, so good. > > Now I wanted to replace the image on it with Debian. I managed to > debootstrap debian onto a disk on key, but when I try to boot it, it hangs > during boot. I moved the image to a UBIFS image on the internal nand, but > the problem persist. I can boot into single user mode, and everything works, > but if I try to let the system boot completely, it just hangs. > > Symptoms: > > Pressing anything on the keyboard does not echo > Magic sysrq key does not work (it does if I send the break before the hang) > The boot sequence starts a couple of the init processes, and does not > continue. > The console is working. If I plug a disk on key, I see the console message > about it, and it detects the partitions on it a second later. > > I tried to connect via jtag and get a backtrace - the system is in the > cpu_idle routine - no panic and nothing out of the ordinary, except that it > is not doing what it was supposed to be doing at this point. > > I tried to remove the last loaded service from the startup. The result is > that it still loads two services and hangs (just, different services). > > Now I'm stuck for idea as to what to try next. Anyone? > > Shachar > > -- > Shachar Shemesh > Lingnu Open Source Consulting Ltd. > http://www.lingnu.com > > _______________________________________________ > Linux-il mailing list > [email protected] > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il > > _______________________________________________ Linux-il mailing list [email protected] http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
