(In reply to Joerg Roedel from comment #85) > (In reply to Andreas Stenglein from comment #80) > > I did some more tests. > > The patched kernel also sometimes reboots automatically. This happens during > > boot. > > But the same kernel with 'nopti' booted works every time? I can try this on Thursday evening; I'm going to try 10 times booting with nopti, if you think it's necessary I can try more. Usually now I'm using the nohugeiomap workaround if I want to boot to a working system, since this has the least impact on features.