On Tue, Mar 22, 2022 at 02:54:20PM -0700, Guenter Roeck wrote: > On 3/22/22 11:24, Mark Brown wrote: > > Just as a datapoint for debugging at least qemu/arm is getting coverage > > in CI systems (KernelCI is covering a bunch of different emulated > > machines and LKFT has at least one configuration as well, clang's tests > > have some wider architecture coverage as well I think) and they don't > > seem to be seeing any problems - there's some other variable in there. > I use buildroot 2021.02.3. I have not changed the buildroot code, and it > still seems to be the same in 2022.02. I don't see the problem with all > boot tests, only with the architectures mentioned above, and not with all > qemu machines on the affected platforms. For arm, mostly older machines > are affected (versatile, realview, pxa configurations, collie, integratorcp, > sx1, mps2-an385, vexpress-a9, cubieboard). I didn't check, but maybe > kernelci doesn't test those machines ? Kind of academic given that Jason seems to have a handle on what the issues are but for KernelCI it's variations on mach-virt, plus versatile-pb. There's a physical cubietruck as well, and BeagleBone Blacks among others. My best guess would be systems with low RAM are somehow more prone to issues.
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