Ludovic Courtès skribis: > As of commit cdc688c5ee106b7ee2547e4abd74ab81d7702d3d, it seems that the > connection reuse code for substitutes breaks if you’re fetching gzip > substitutes. Here’s a simple reproducer that systematically fails after the first download: --8<---------------cut here---------------start------------->8--- $ ./pre-inst-env guile ~/src/guix-debugging/http-pipelining-gzip.scm ;;; (fetch 164664960) Backtrace: In ice-9/boot-9.scm: 1736:10 11 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _) In unknown file: 10 (apply-smob/0 #) In ice-9/boot-9.scm: 718:2 9 (call-with-prompt _ _ #) In ice-9/eval.scm: 619:8 8 (_ #(#(#))) In ice-9/boot-9.scm: 2806:4 7 (save-module-excursion _) 4351:12 6 (_) In /home/ludo/src/guix-debugging/http-pipelining-gzip.scm: 18:4 5 (_) In guix/http-client.scm: 116:21 4 (http-fetch _ #:port _ #:text? _ #:buffered? _ #:open-connection _ #:keep-alive? _ # _ #:headers _ # _) In web/client.scm: 526:24 3 (http-request _ #:body _ #:verify-certificate? _ #:port _ #:method _ #:version _ #:keep-alive? _ # _ # …) In web/response.scm: 198:31 2 (read-response #) In web/http.scm: 1194:12 1 (read-response-line _) 252:2 0 (parse-http-version _ _ _) web/http.scm:252:2: In procedure parse-http-version: Bad http-version header component: ì½ --8<---------------cut here---------------end--------------->8--- Ludo’.