Sounds like you are getting OOM-killed, check dmesg or /var/log/messages if there are ny info about OOM kicking in
/HH Den lör 24 juli 2021 kl 09:22 skrev XSLT2.0 via curl-library < curl-library@cool.haxx.se>: > Hello, > > Have you heard of any instance when the use of libcurl would "kill" > -directly or indirectly- the calling program? > > That is what I get with my program on my Raspberry Pi. > > libcurl/7.64.0 (arm-unknown-linux-gnueabihf) OpenSSL/1.1.1d (32bits) > > When the program is run with my own socket code, it exhibits some > strange behaviour (my socket code is very basic) but keeps running. > > The same program has a branch using libcurl (depending on the file name) > and keeps being "killed" almost systematically. > > That might also be triggered by a kernel "bug". At some point the kernel > continues to send readaheads but forgets the response and asks for the > same piece of data again! This triggers in my program new connections to > the same file, with different ranges, and is the point when it gets > "killed" when using libcurl. > > I am suspecting, with numerous new connections happening "in parallel", > that something would not be thread-safe, but since in this case the test > is with plain http (no SSL/TLS), the only idea would be DNS resolution. > > > This version of libcurl on 32 bits Raspberry Pi is the one that "bugs" > with time counters -stuck at 35:42-. You already kindly gave me pointers > to those patches and I posted to Raspberry Pi OS bug tracker, but they > don't seem eager to fix!.. > > > Any idea about this "killed" when using libcurl? > > > (Program does not crash but ends with the message "Killed" and exit code > 137 = 128 + 9, so signal 9: Kill) > > > Cheers > > Alain > > ------------------------------------------------------------------- > Unsubscribe: https://cool.haxx.se/list/listinfo/curl-library > Etiquette: https://curl.se/mail/etiquette.html
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