diff options
| -rw-r--r-- | gnu/build/image.scm | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm index 2332b72b17..e6cc2d0640 100644 --- a/gnu/build/image.scm +++ b/gnu/build/image.scm @@ -178,7 +178,10 @@ ROOT directory to populate the image." (case format ((compressed-qcow2) (invoke "qemu-img" "convert" "-c" "-f" "raw" - "-O" "qcow2" image output)) + ;; The maximum number of co-routines is 16. + "-m" (number->string (min 16 (parallel-job-count))) + "-O" "qcow2" + image output)) (else (copy-file image output)))) |