Bug #34161 freeing maria tmp table after fetching rows using prepared statements - crashes
Submitted: 30 Jan 2008 11:24 Modified: 5 Mar 2008 9:55
Reporter: Shane Bester (Platinum Quality Contributor) Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Maria storage engine Severity:S1 (Critical)
Version:5.1.23-maria-alpha-pb297 OS:Any
Assigned to: Oleksandr Byelkin CPU Architecture:Any

File: Maximum allowed size is 50MB.
Description:
Privacy:

If the data you need to attach is more than 50MB, you should create a compressed archive of the data, split it to 50MB chunks, and upload each of them as a separate attachment.

To split a large file:

[30 Jan 2008 11:45] Shane Bester
some debug info. this is a race condition which happens with >= 2 threads

Attachment: bug34161_debug_info.txt (text/plain), 6.05 KiB.

[1 Feb 2008 10:26] Shane Bester
the qa.sql file...

Attachment: qa.sql (application/unknown, text), 12.80 KiB.

[11 Feb 2008 11:41] Shane Bester
crashes with build of pb321 - attached is stack traces of all threads. takes ~4 minutes to crash with 15 threads.

Attachment: bug34161_debug_info_mysql-5.1.24-maria-alpha-pb321.txt (text/plain), 50.14 KiB.

[14 Feb 2008 17:18] Guilhem Bichot
short test to provoke problem

Attachment: bug34161_small_testcase_linux.tar.bz2 (application/x-bzip2, text), 3.08 KiB.