wget stops retrying to download a file when hitting fatal http errors like 503. But if a previous try had resulted in a partially downloaded ${file}, the next wget call tries to download to ${file}.1.
Example: +wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.16.18.tar.xz --2020-03-18 20:51:42-- https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.16.18.tar.xz Resolving cdn.kernel.org (cdn.kernel.org)... 151.101.1.176, 151.101.65.176, 151.101.129.176, ... Connecting to cdn.kernel.org (cdn.kernel.org)|151.101.1.176|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 103076276 (98M) [application/x-xz] Saving to: ‘linux-4.16.18.tar.xz’ linux-4.16.18.tar.x 0%[ ] 13.07K --.-KB/s in 0s 2020-03-18 20:54:44 (133 MB/s) - Read error at byte 13383/103076276 (Connection reset by peer). Retrying. --2020-03-18 20:54:45-- (try: 2) https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.16.18.tar.xz Connecting to cdn.kernel.org (cdn.kernel.org)|151.101.1.176|:443... connected. HTTP request sent, awaiting response... 503 first byte timeout 2020-03-18 20:55:46 ERROR 503: first byte timeout. +wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.16.18.tar.xz --2020-03-18 20:55:46-- https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.16.18.tar.xz Resolving cdn.kernel.org (cdn.kernel.org)... 151.101.1.176, 151.101.65.176, 151.101.129.176, ... Connecting to cdn.kernel.org (cdn.kernel.org)|151.101.1.176|:443... connected. HTTP request sent, awaiting response... 200 OK Length: 103076276 (98M) [application/x-xz] Saving to: ‘linux-4.16.18.tar.xz.1’ linux-4.16.18.tar.x 100%[===================>] 98.30M 186MB/s in 0.5s 2020-03-18 20:55:56 (186 MB/s) - ‘linux-4.16.18.tar.xz.1’ saved [103076276/103076276] Fixes: 048674b45f4b ("travis: Retry kernel download on 503 first byte timeout.") Signed-off-by: David Marchand <david.march...@redhat.com> --- .travis/linux-build.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/.travis/linux-build.sh b/.travis/linux-build.sh index 359f7773ba..74e1028573 100755 --- a/.travis/linux-build.sh +++ b/.travis/linux-build.sh @@ -35,7 +35,9 @@ function install_kernel() url="${base_url}/linux-${version}.tar.xz" # Download kernel sources. Try direct link on CDN failure. - wget ${url} || wget ${url} || wget ${url/cdn/www} + wget ${url} || + (rm -f linux-${version}.tar.xz && wget ${url}) || + (rm -f linux-${version}.tar.xz && wget ${url/cdn/www}) tar xvf linux-${version}.tar.xz > /dev/null pushd linux-${version} -- 2.23.0 _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev