While my other problems with the T5120 locking up are still there I noticed another error symptom when using 4.14.280 and 4.14.291: sometimes one of my nightly build CMake processes hands like this: strace: Process 53402 attached with 2 threads [pid 53402] restart_syscall(<... resuming interrupted futex ...>) = -1 EINTR (Interrupted system call) [pid 53402] futex(0xf50fdb28, FUTEX_WAIT_BITSET|FUTEX_CLOCK_REALTIME, 53451, NULL, FUTEX_BITSET_MATCH_ANY The process uses 100% of one CPU at this point, but can normally be killed. If I don't detect this in time, i.e. for a few hours, then the next build will start and the system will lock up as usual. I have not seen this with other kernel branches yet. Any ideas? Eike
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