Are these public facing servers? Do you have low traffic instances where to enable super-verbose log level and make a test request? Of interest would be
LogLevel http2:trace2 LogLevel ssl:trace2 LogLevel core:debug That log should then give an idea of what is going on. Thanks. -Stefan > Am 02.01.2017 um 16:47 schrieb Helmut K. C. Tessarek <tessa...@evermeet.cx>: > > On 2017-01-02 04:58, Stefan Eissing wrote: >> You get the errors using Chrome? What does Firefox say? > > On Firefox I only got some unspecified error (the page was not > rendered). That's why I switched to Chrome to get at least some info. > >> There is one new feature in 2.4.25, off by default, that causes such >> errors with Chrome. The Chrome bug report has status "fixed", not >> sure when it will be released >> (https://bugs.chromium.org/p/chromium/issues/detail?id=662197). > > Nope, this error happens with all browsers. > >> As I said, this behaviour is off by default for this reason. It is >> changed by directive "H2EarlyHints". >> >> But maybe it's something totally unrelated to this. Are you able to >> reproduce this on a non-production server of yours? > > Unfortunately I don't have another Linux server with the same > configuration. I could try to create a few dummy sub domains and see if > it happens again. But I still need info how to debug this any further. > > Cheers, > K. C. > > -- > regards Helmut K. C. Tessarek > lookup http://pool.sks-keyservers.net for KeyID 0xC11F128D > > /* > Thou shalt not follow the NULL pointer for chaos and madness > await thee at its end. > */ Stefan Eissing <green/>bytes GmbH Hafenstrasse 16 48155 Münster www.greenbytes.de
