substitute-binary --query busy for 36 minutes with no output

DoneSubmitted by Mark H Weaver.
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2 participants
  • Ludovic Courtès
  • Mark H Weaver
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Mark H Weaver wrote on 7 Feb 2015 19:14
(address . bug-guix@gnu.org)
87d25l37y0.fsf@netris.org
While updating my profile with "guix package -c1 -u", "substitute-binary--query" hung for 36 minutes with ~90% CPU utilization without anyactive network connections and without printing any output. Here wasthe relevant excerpt from 'ps auxwwf' after about 30 minutes of CPUtime:
Toggle snippet (8 lines)USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND[...]root 23061 0.0 0.0 5804 1248 ? Ss 12:29 0:00 /gnu/store/538qidv49w2v942502yqmv0fz187xd9z-guix-0.8.1.f1082ec/bin/guix-daemon --build-users-group guixbuild --cores=1 --max-jobs=1root 23087 33.3 0.2 10384 4444 ? Ss 12:30 11:44 \_ /gnu/store/538qidv49w2v942502yqmv0fz187xd9z-guix-0.8.1.f1082ec/bin/guix-daemon 23079 guixbuild --cores=1 --max-jobs=1root 23120 87.9 58.2 1294632 1198688 ? Sl 12:30 30:25 \_ /gnu/store/122jv790mv2mlnylbrbzav65vghbw93n-guile-2.0.11/bin/guile --no-auto-compile /gnu/store/538qidv49w2v942502yqmv0fz187xd9z-guix-0.8.1.f1082ec/bin/guix substitute-binary --queryroot 23211 0.0 0.0 0 0 ? Zs 12:30 0:00 \_ [guix] <defunct>
Looking at the nginx logs on hydra, I see that it downloaded a singlenar file (for paredit) very soon after starting up, and then didn'tdownload anything else from hydra until ~36 minutes later, when itdownloaded /nix-cache-info and then a narinfo file. It then proceededto do several grafting operations locally.
The 'guix package' command I'm running is v0.8.1-90-g710f3ce, and the'guix-daemon' and substitute binary is guix-0.8.1.f1082ec.
Any ideas what it was doing during those 36 silent minutes?
Mark
L
L
Ludovic Courtès wrote on 24 Aug 2019 15:37
control message for bug #19806
(address . control@debbugs.gnu.org)
87zhjywup5.fsf@gnu.org
tags 19806 unreproducibleclose 19806quit
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