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x/build: add LUCI openbsd-ppc64 builder #63480

Closed n2vi closed 3 months ago

n2vi commented 1 year ago

Following the instructions at Dashboard builders:

hostname openbsd-ppc64-n2vi

CSR is attached after renaming since Github doesn't seem to allow attaching with the name openbsd-ppc64-n2vi.csr you asked for.

n2vi commented 4 months ago

I've been able to reproduce a kernel panic without anything involving Go, so will be pursuing that and temporarily not running swarm. I'll update here when we've made progress with the kernel.

gopherbot commented 4 months ago

Change https://go.dev/cl/593736 mentions this issue: main.star: set openbsd-ppc64 timeout scale to 3

n2vi commented 4 months ago

Although the kernel issue is not fully solved, I'm satisfied that it is sufficiently understood and being worked on in Mac Studio locking bug. I now regard the LUCI migration as complete for openbsd-ppc64 builder and am no longer running the buildlet there. As long as we keep the machine load at a reasonable level, we're rarely triggering the kernel lock issue.

@dmitshur Thanks again for all your help with this. You may remove knownissue for me if you like. I would submit a CL myself except that the machine with my GitHub login is too locked down to import all the luciconfig toolchain. I'll think about how to get around that eventually.

gopherbot commented 4 months ago

Change https://go.dev/cl/596817 mentions this issue: main.star: unset known issue for openbsd/ppc64 builder type

n2vi commented 4 months ago

I regret to say that my comment seems to have jinxed things. After the change, openbsd-ppc64 builder is crashing more frequently again.

Anyway, let's leave things be for a couple weeks while y'all are at GopherCon and OpenBSD works on locks.

dmitshur commented 3 months ago

Following up here as some time has passed and the builder appears to have been doing well recently. @n2vi Okay to submit CL 596817 to mark this builder as complete? (If desired, it's always possible to open a new, more narrow known issue.)

n2vi commented 3 months ago

Sure.

As my system kernel friends say, multicore MMU is an art. I believe there are remaining bugs encountered when under high load, but I reboot the server when needed.

gopherbot commented 3 months ago

Closed by merging CL 596817 (commit golang/build@4a734336f6552e1f69024e67d654f9e381acf030) to luci-config.