hmm. The other instance stopped working as well... It was definitely working before.
If I deliberately type a wrong password, I get the right HTTP 401 response, but at least the debug JSON string is complete. Whereas trying to log in with the right creds gives me a HTTP 200, and a truncated debug JSON, similar to the bug report mentioned above.
PHP info are the same on both servers, and PHP settings are the same. Both built back in last september.
Fresh Flarum install :
Flarum core 0.1.0-beta.6
PHP 5.6.25
Loaded extensions: Core, date, ereg, libxml, openssl, pcre, sqlite3, zlib, bcmath, bz2, calendar, ctype, curl, dba, dom, hash, fileinfo, filter, ftp, gd, gettext, gmp, SPL, iconv, session, imagick, standard, intl, json, mbstring, mcrypt, memcached, mongo, mysqlnd, mysqli, PDO, pdo_mysql, pdo_pgsql, pdo_sqlite, pgsql, Phar, posix, pspell, redis, Reflection, igbinary, SimpleXML, soap, sockets, imap, exif, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlrpc, xmlwriter, xsl, zip, memcache, mysql, mhash, ionCube Loader, Zend OPcache
EXT flarum-approval v0.1.0-beta.6
EXT flarum-bbcode v0.1.0-beta.5
EXT flarum-emoji v0.1.0-beta.6
EXT flarum-english v0.1.0-beta.6
EXT flarum-flags v0.1.0-beta.6
EXT flarum-likes v0.1.0-beta.6
EXT flarum-lock v0.1.0-beta.6
EXT flarum-markdown v0.1.0-beta.5
EXT flarum-mentions v0.1.0-beta.6
EXT flarum-sticky v0.1.0-beta.6
EXT flarum-subscriptions v0.1.0-beta.6
EXT flarum-suspend v0.1.0-beta.6
EXT flarum-tags v0.1.0-beta.7
Base URL: http://board.mydomain.tld
Installation path: /home/myaccount/www-board
Previous install (with a couple more ext.) :
Flarum core 0.1.0-beta.6
PHP 5.6.25
Loaded extensions: Core, date, ereg, libxml, openssl, pcre, sqlite3, zlib, bcmath, bz2, calendar, ctype, curl, dba, dom, hash, fileinfo, filter, ftp, gd, gettext, gmp, SPL, iconv, session, imagick, standard, intl, json, mbstring, mcrypt, memcached, mongo, mysqlnd, mysqli, PDO, pdo_mysql, pdo_pgsql, pdo_sqlite, pgsql, Phar, posix, pspell, redis, Reflection, igbinary, SimpleXML, soap, sockets, imap, exif, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlrpc, xmlwriter, xsl, zip, memcache, mysql, mhash, ionCube Loader, Zend OPcache
EXT flarum-bbcode v0.1.0-beta.5
EXT flarum-emoji v0.1.0-beta.6
EXT flagrow-upload 0.4.2
EXT flarum-flags v0.1.0-beta.6
EXT milescellar-french v1.0.6
EXT flarum-likes v0.1.0-beta.6
EXT flarum-lock v0.1.0-beta.6
EXT flarum-markdown v0.1.0-beta.5
EXT flarum-mentions v0.1.0-beta.6
EXT flarum-sticky v0.1.0-beta.6
EXT flarum-subscriptions v0.1.0-beta.6
EXT flarum-suspend v0.1.0-beta.6
EXT flarum-tags v0.1.0-beta.7
Base URL: http://board.myotherdomain.tld
Installation path: /home/myotheraccount/www-board