I opened kmail as usual and when I clicked on the email folders kontact crashed sayin it could not read them. When I restart Kontact all my email accounts and maildir folders were gone.

Since then, the Akonadi server and Kontact are not able to start.

The Akonadi server error file:


Database process exited unexpectedly during initial connection! 
executable: "/usr/sbin/mysqld-akonadi" 
arguments: ("--defaults-file=/home/fran/.local/share/akonadi/mysql.conf", "--datadir=/home/fran/.local/share/akonadi/db_data/", "--socket=/home/fran/.local/share/akonadi/socket-fran-Inspiron-6000/mysql.socket") 
stdout: "" 
stderr: "" 
exit code: 1 
process error: "Process operation timed out" 
"[
0: akonadiserver() [0x805c635]
1: akonadiserver() [0x805c97a]
2: [0xb770e400]
3: [0xb770e424]
4: /lib/i386-linux-gnu/libc.so.6(gsignal+0x4f) [0xb6de51df]
5: /lib/i386-linux-gnu/libc.so.6(abort+0x175) [0xb6de8825]
6: /usr/lib/i386-linux-gnu/libQtCore.so.4(_Z17qt_message_output9QtMsgTypePKc+0x13c) [0xb746b72c]
7: akonadiserver() [0x805e8f8]
8: /usr/lib/i386-linux-gnu/libQtCore.so.4(_ZN9QIODevice5writeEPKcx+0xe8) [0xb7513ed8]
9: /usr/lib/i386-linux-gnu/libQtCore.so.4(+0x11112d) [0xb752012d]
10: /usr/lib/i386-linux-gnu/libQtCore.so.4(_ZN11QTextStreamD1Ev+0x3e) [0xb752937e]
11: akonadiserver() [0x80d3be2]
12: akonadiserver() [0x805f6b1]
13: akonadiserver() [0x8060646]
14: akonadiserver() [0x8061c96]
15: akonadiserver() [0x80559da]
16: /lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0xb6dd04d3]
17: akonadiserver() [0x8056481]
]
" 

And the mysql error file:


121225 21:17:13 [Note] Plugin 'FEDERATED' is disabled.
121225 21:17:13 InnoDB: The InnoDB memory heap is disabled
121225 21:17:13 InnoDB: Mutexes and rw_locks use GCC atomic builtins
121225 21:17:13 InnoDB: Compressed tables use zlib 1.2.7
121225 21:17:13 InnoDB: Using Linux native AIO
121225 21:17:13 InnoDB: Initializing buffer pool, size = 80.0M
121225 21:17:13 InnoDB: Completed initialization of buffer pool
121225 21:17:13 InnoDB: highest supported file format is Barracuda.
InnoDB: Log scan progressed past the checkpoint lsn 3654932040
121225 21:17:13  InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
InnoDB: Doing recovery: scanned up to log sequence number 3655530216
InnoDB: 1 transaction(s) which must be rolled back or cleaned up
InnoDB: in total 1 row operations to undo
InnoDB: Trx id counter is A29B00
121225 21:17:14  InnoDB: Starting an apply batch of log records to the database...
InnoDB: Progress in percents: 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 
InnoDB: Apply batch completed
InnoDB: Last MySQL binlog file position 0 1594, file name ./mysql-bin.000199
121225 21:17:14  InnoDB: Waiting for the background threads to start
InnoDB: Starting in background the rollback of uncommitted transactions
121225 21:17:14  InnoDB: Rolling back trx with id A299D6, 1 rows to undo
121225 21:17:14  InnoDB: Assertion failure in thread 2876242752 in file fut0lst.ic line 83
InnoDB: Failing assertion: addr.page == FIL_NULL || addr.boffset >= FIL_PAGE_DATA
InnoDB: We intentionally generate a memory trap.
InnoDB: Submit a detailed bug report to http://bugs.mysql.com.
InnoDB: If you get repeated assertion failures or crashes, even
InnoDB: immediately after the mysqld startup, there may be
InnoDB: corruption in the InnoDB tablespace. Please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html
InnoDB: about forcing recovery.
20:17:14 UTC - mysqld got signal 6 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed, 
something is definitely wrong and this may fail.

key_buffer_size=8388608
read_buffer_size=131072
max_used_connections=0
max_threads=256
thread_count=0
connection_count=0
It is possible that mysqld could use up to 
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 567120 K  bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = 0 thread_stack 0x30000
/usr/sbin/mysqld(my_print_stacktrace+0x33)[0xb7308e53]
/usr/sbin/mysqld(handle_fatal_signal+0x48c)[0xb71ad55c]
[0xb6e7b400]
/usr/sbin/mysqld(+0x5af939)[0xb744d939]
/usr/sbin/mysqld(+0x533dd7)[0xb73d1dd7]
/usr/sbin/mysqld(+0x548472)[0xb73e6472]
/usr/sbin/mysqld(+0x546b21)[0xb73e4b21]
/usr/sbin/mysqld(+0x547003)[0xb73e5003]
/usr/sbin/mysqld(+0x53c421)[0xb73da421]
/usr/sbin/mysqld(+0x5f37e4)[0xb74917e4]
/usr/sbin/mysqld(+0x5f3947)[0xb7491947]
/usr/sbin/mysqld(+0x53df5c)[0xb73dbf5c]
/usr/sbin/mysqld(+0x53e629)[0xb73dc629]
/lib/i386-linux-gnu/libpthread.so.0(+0x6d4c)[0xb6e49d4c]
/lib/i386-linux-gnu/libc.so.6(clone+0x5e)[0xb6bedd3e]
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.