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Crash after wake-up from hibernate: panicked at scheds/rust/scx_bpfland/src/main.rs:615:74 #1104

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mschaaf opened this issue Dec 14, 2024 · 0 comments
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bug Something isn't working scx_bpfland

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@mschaaf
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mschaaf commented Dec 14, 2024

Steps to reproduce:

  1. execute: sudo ./scx_bpfland --stats 30
  2. execute: sudo systemctl hibernate
  3. wake up the system and see it panic
...
[scx_bpfland] tasks -> r:  2/8  i: 0  | dispatch -> k: 2841  d: 32128 s: 2115 
[scx_bpfland] tasks -> r:  1/8  i: 0  | dispatch -> k: 3264  d: 27345 s: 2712 
[scx_bpfland] tasks -> r:  1/8  i: 0  | dispatch -> k: 3395  d: 33441 s: 2800 
[scx_bpfland] tasks -> r:  1/8  i: 0  | dispatch -> k: 2643  d: 28584 s: 1877 
EXIT: unregistered from the main kernel (cpu 7 going offline, exiting scheduler)
12:03:07 [INFO] Unregister scx_bpfland scheduler
12:03:07 [INFO] scx_bpfland 1.0.8-gb4db5ee9 x86_64-unknown-linux-gnu SMT on
12:03:07 [INFO] primary CPU domain = 0xff
12:03:07 [INFO] cpufreq performance level: auto
12:03:07 [INFO] L2 cache ID 0: sibling CPUs: [0, 4]
12:03:07 [INFO] L2 cache ID 1: sibling CPUs: [1, 5]
12:03:07 [INFO] L2 cache ID 2: sibling CPUs: [2, 6]
12:03:07 [INFO] L2 cache ID 3: sibling CPUs: [3, 7]
12:03:07 [INFO] L3 cache ID 0: sibling CPUs: [0, 4, 1, 5, 2, 6, 3, 7]
thread '<unnamed>' panicked at scheds/rust/scx_bpfland/src/main.rs:615:74:
called `Result::unwrap()` on an `Err` value: EOF while parsing a value at line 1 column 0
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

OS: Ubuntu 24.04
Kernel: 6.12.4
scx revision: b4db5ee

@mschaaf mschaaf changed the title Crash after wake-up from hibernate Crash after wake-up from hibernate: panicked at scheds/rust/scx_bpfland/src/main.rs:615:74 Dec 14, 2024
@hodgesds hodgesds added bug Something isn't working scx_bpfland labels Dec 14, 2024
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