Public bug reported:
Running ADT tests on POWER8 5.4.0-7-generic (gulpin) causes reboot of
the bare metal system.
Last output seen while ssh'd into the box:
11:52:34 DEBUG| [stdout] ok 6 selftests: net: tls
11:52:34 DEBUG| [stdout] # selftests: net: run_netsocktests
11:52:34 DEBUG| [stdout] # --------------------
11:52:34 DEBUG| [stdout] # running socket test
11:52:34 DEBUG| [stdout] # --------------------
11:52:34 DEBUG| [stdout] # [PASS]
11:52:34 DEBUG| [stdout] ok 7 selftests: net: run_netsocktests
11:52:34 DEBUG| [stdout] # selftests: net: run_afpackettests
11:52:34 DEBUG| [stdout] # --------------------
11:52:34 DEBUG| [stdout] # running psock_fanout test
11:52:34 DEBUG| [stdout] # --------------------
client_loop: send disconnect: Broken pipe
last output in (truncated) nohup output:
f -emit-llvm -c progs/pyperf180.c -o - || \
11:52:15 DEBUG| [stdout] echo "clang failed") | \
11:52:15 DEBUG| [stdout] llc -march=bpf -mattr=+alu32 -mcpu=probe \
11:52:15 DEBUG| [stdout] -filetype=obj -o
/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/alu32/pyperf180.o
this suggests the bpf selftests are causing the breakage.
last output logged in /var/log/dmesg.log :
Dec 4 11:50:17 gulpin kernel: [ 5031.966277] Injecting error (-12) to
MEM_GOING_OFFLINE
Dec 4 11:50:17 gulpin kernel: [ 5031.975298] Injecting error (-12) to
MEM_GOING_OFFLINE
Dec 4 11:50:17 gulpin kernel: [ 5031.984300] Injecting error (-12) to
MEM_GOING_OFFLINE
Dec 4 11:50:17 gulpin kernel: [ 5031.993389] Injecting error (-12) to
MEM_GOING_OFFLINE
Dec 4 11:50:17 gulpin kernel: [ 5032.002407] Injecting error (-12) to
MEM_GOING_OFFLINE
next entries on dmesg.log show machine had rebooted.
** Affects: linux (Ubuntu)
Importance: High
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1855100
Title:
bpf self tests break 5.4.0-7-generic on power8 system
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