Hi Yuriy and Pascal, I don’t know where that "Op$bf: " is from, it is stated that way in the Tor log file.
What looks very different from other relay debug files are the number of entries like these: Jun 25 20:05:50 kernel: [61536.640020] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143200123:1143203019 (repaired) Jun 25 20:05:54 kernel: [61540.044045] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143205915:1143208811 (repaired) Jun 25 20:05:59 kernel: [61544.900036] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143211707:1143214603 (repaired) Jun 25 20:06:31 kernel: [61577.120054] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143252251:1143255147 (repaired) Jun 25 20:06:37 kernel: [61583.684050] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143258043:1143260939 (repaired) Jun 25 20:06:41 kernel: [61587.156021] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143262387:1143266731 (repaired) Jun 25 20:06:41 kernel: [61587.588021] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143263835:1143266731 (repaired) Jun 25 20:06:45 kernel: [61591.492022] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143269627:1143272523 (repaired) Jun 25 20:07:22 kernel: [61628.072061] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143310171:1143313067 (repaired) Jun 25 20:07:53 kernel: [61659.280023] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143343475:1143347819 (repaired) Jun 25 20:07:53 kernel: [61659.708017] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143344923:1143347819 (repaired) Jun 25 20:08:21 kernel: [61687.148034] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143379675:1143382571 (repaired) Jun 25 20:08:32 kernel: [61698.296025] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143391259:1143394155 (repaired) Jun 25 20:08:39 kernel: [61705.388024] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143398499:1143399947 (repaired) Jun 25 20:09:03 kernel: [61729.729801] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143426011:1143428907 (repaired) Jun 25 20:09:15 kernel: [61741.832029] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143437595:1143440491 (repaired) Jun 25 20:10:58 kernel: [61844.000083] Peer 47.19.79.xxx:47000/55752 unexpectedly shrunk window 1143491894:1143494790 (repaired) Jun 25 20:11:02 kernel: [61848.120017] Peer 47.19.79.xxx:4700/55752 unexpectedly shrunk window 1143497686:1143500582 (repaired) and the number of lines like: kernel: [113700.366999] nf_conntrack: table full, dropping packet which comes nearly every second -sometime more. Memory is used about 50 percent -disk space more than enough. Am 26.06.2016 um 19:39 schrieb Yuriy M. Kaminskiy: > On 26.06.2016 16:22, pa011 wrote: >> On start-up my Exit (Linux 3.16.0-4-amd64) Tor 0.2.7.6 creates this log >> message: >> >> [warn] OpenSSL version from headers does not match the version we're >> running with.If you get weird crashes, that might be why. (Compiled >> with 100010bf: Op$bf: OpenSSL 1.0.1k 8 Jan 2015; running with 1000114f: > ^^^^^^^ >> OpenSSL 1.0.1t 3 May 2016). >> >> Unfortunately it really crashes ones a day. This seems to be an ongoing >> problem for years now? >> >> Could anyone please give some help - or is there none? > > No, this is NOT a reason for those crashes. > > Background: > At May/June 2016, Debian jessie transitioned from heavily-patched > openssl 1.0.1k (with a lot of security patches backported from later > [stable] versions) to (much more lightly-patched) openssl 1.0.1t (which > already included all those security fixes). > > Both versions are (supposed to be) completely binary compatible, and > running a binary compiled against 1.0.1k with openssl 1.0.1t should be > completely safe. > > If your tor crashes daily (and especially if that also happened before > June 2016, when debian transitioned to 1.0.1t), the reason must be > something else (hardware problem, insufficient resources [memory? disk? > process/task/thread limit?], some obscure tor bug). > > That said, above message looks weird. It comes from this code: > > log_warn(LD_CRYPTO, "OpenSSL version from headers does not match the " > "version we're running with. If you get weird crashes, that " > "might be why. (Compiled with %lx: %s; running with %lx: %s).", > (unsigned long)OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT, > SSLeay(), SSLeay_version(SSLEAY_VERSION)); > > What is that "Op$bf: " in above message and where it comes from? > > _______________________________________________ > tor-relays mailing list > tor-relays@lists.torproject.org > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
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