Hi Aaro, On Wed, Apr 24, 2019 at 09:20:12PM +0300, Aaro Koskinen wrote: > I have been trying to get GCC bootstrap to pass on CI20 board, but it > seems to always crash. Today, I finally got around connecting the serial > console to see why, and it logged the below BUG. > > I wonder if this is an actual bug, or is the hardware faulty? > > FWIW, this is 32-bit board with 1 GB RAM. The rootfs is on MMC, as well > as 2 GB + 2 GB swap files. > > Kernel config is at the end of the mail. I'd bet on memory corruption, though not necessarily faulty hardware. Unfortunately memory corruption on Ci20 boards isn't uncommon... Someone did make some tweaks to memory timings configured in the DDR controller which improved things for them a while ago: https://github.com/MIPS/CI20_u-boot/pull/18 Would you be up for testing with those tweaks? I'd be happy to help with updating U-Boot if needed. Do you know which board revision you have? (Is it square or a funny shape, green or purple, and does it have a revision number printed on the silkscreen?) Thanks, Paul
