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| -rwxr-xr-x | contrib/cirrus/setup_environment.sh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/cirrus/setup_environment.sh b/contrib/cirrus/setup_environment.sh index a3840d7e6..8ccbd95d9 100755 --- a/contrib/cirrus/setup_environment.sh +++ b/contrib/cirrus/setup_environment.sh @@ -85,6 +85,16 @@ case "$CG_FS_TYPE" in *) die_unknown CG_FS_TYPE esac +if ((CONTAINER==0)); then # Not yet running inside a container + # Discovered reemergence of BFQ scheduler bug in kernel 5.8.12-200 + # which causes a kernel panic when system is under heavy I/O load. + # Previously discovered in F32beta and confirmed fixed. It's been + # observed in F31 kernels as well. Deploy workaround for all VMs + # to ensure a more stable I/O scheduler (elevator). + echo "mq-deadline" > /sys/block/sda/queue/scheduler + warn "I/O scheduler: $(cat /sys/block/sda/queue/scheduler)" +fi + # Which distribution are we testing on. case "$OS_RELEASE_ID" in ubuntu*) ;; |