[Owncloud] Errors in owncloud 4.0.3 - 4.0.4

[saymon at hub21.ru]

2012/06/28 21:25:05 [error] 16271#0: *10651 upstream timed out (110: 
Connection timed out) while reading response header from upstream, 
client: 10.13.138.17, server: domain.com, request: "POST 
/?app=files&getfile=ajax%2Fupload.php HTTP/1.1", upstream: 
"fastcgi://unix:/var/run/fpm/domain.com.sock:", host: "domain.com", 
referrer: "https://domain.com/index.php"
2012/06/28 21:25:33 [error] 16271#0: *10654 recv() failed (104: 
Connection reset by peer) while reading response header from upstream, 
client: 10.13.138.17, server: domain.com, request: "POST 
/?app=files&getfile=ajax%2Fupload.php HTTP/1.1", upstream: 
"fastcgi://unix:/var/run/fpm/domain.com.sock:", host: "domain.com", 
referrer: "https://domain.com/index.php"
2012/06/28 21:25:45 [error] 16271#0: *10654 FastCGI sent in stderr: 
"PHP message: PHP Fatal error: Uncaught exception 'PDOException' with 
message 'SQLSTATE[HY000]: General error: 1267 Illegal mix of collations 
(latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for 
operation '='' in /var/www/domain.com/lib/db.php:598
Stack trace:
#0 /var/www/domain.com/lib/db.php(598): PDOStatement->execute(Array)
#1 /var/www/domain.com/apps/files_sharing/lib_share.php(303): 
PDOStatementWrapper->execute(Array)
#2 /var/www/domain.com/apps/files_versions/versions.php(72): 
OC_Share::getSource('/denis/files/?...')
#3 /var/www/domain.com/apps/files_versions/versions.php(61): 
OCA_Versions\Storage::store('/?????????? ???...')
#4 [internal function]: OCA_Versions\Storage::write_hook(Array)
#5 /var/www/domain.com/lib/hook.php(62): call_user_func(Array, Array)
#6 /var/www/domain.com/lib/filesystemview.php(220): 
OC_Hook::emit('OC_Filesystem', 'post_write', Array)
#7 /var/www/domain.com/l" while reading response header from upstream, 
client: 10.13.138.17, server: domain.com, request: "POST 
/?app=files&getfile=ajax%2Fupload.php HTTP/1.1", upstream: 
"fastcgi://unix:/var/run/fpm/domain.com.sock:", host: "domain.com", 
referrer: "https://domain.com/index.php"

Server info:
debian 6.0.5, nginx/1.2.1+php-fpm
PHP 5.3.14-1~dotdeb.0 with Suhosin-Patch (cli) (built: Jun 21 2012 
00:51:58)
Copyright (c) 1997-2012 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2012 Zend Technologies
with eAccelerator v0.9.6.1, Copyright (c) 2004-2010 eAccelerator, by 
eAccelerator
with Suhosin v0.9.33, Copyright (c) 2007-2012, by SektionEins GmbH
MariaDB 5.3.7