Bug #43758 Query cache can lock up threads in 'freeing items' state
Submitted: 19 Mar 2009 19:21 Modified: 6 Oct 2009 2:15
Reporter: Harrison Fisk Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server: Query Cache Severity:S2 (Serious)
Version:5.1.32, 5.0 OS:Any
Assigned to: Kristofer Pettersson
Tags: hang, query cache
Triage: Triaged: D2 (Serious)

File: Maximum allowed size is 3MB.
Description:
Privacy:

If the data you need to attach is more than 3MB, you should create a compressed archive of the data and a README file that describes the data with a filename that includes the bug number (recommended filename: mysql-bug-data-43758.zip) and upload one to sftp.oracle.com. A free Oracle Web (SSO) account (the one you use to login bugs.mysql.com) and a client that supports SFTP are required in order to access the SFTP server.

To upload the file to sftp.oracle.com:

  1. Open an SFTP client and connect to sftp.oracle.com. Specify port 2021 and remote directory /support/incoming/.
  2. Log in with your newly created Oracle Web account (email address) and password.
  3. Upload the archive to /support/incoming.
  4. Once you have uploaded the file, add a comment to this bug to notify us about it.
Example: sftp -oPort=2021 -oUser=email sftp.oracle.com:/support/incoming

Usage Notes: This directory is unlistable, which means that once you have uploaded your file, you will not be able to see it. A file cannot be uploaded more than once with the same filename. The filename must be changed before attempting to upload the file again. The filename should always start with mysql-bug- prefix. Files are retained on the SFTP server for 7 days and then permanently removed.

[19 Mar 2009 19:31] Harrison Fisk
gypsy test case

Attachment: qc_test.sql (text/x-sql), 28 bytes.

[19 Mar 2009 19:34] Harrison Fisk
table definition and population

Attachment: qc_setup.query (application/octet-stream, text), 237 bytes.

[5 Oct 2009 22:32] Ricardo Gomez
hi Roel Van de Paar, thanks!These are the files requested. I hope to be useful, I keep waiting for more information and again th

Attachment: backtrace.txt (text/plain), 18.25 KiB.

[5 Oct 2009 22:39] Ricardo Gomez
This is the other (mysqld.sym)

Attachment: mysqld_sym_BUG43758.zip (application/zip, text), 169.81 KiB.

[6 Oct 2009 1:10] Roel Van de Paar
Resolved Stacktrace from Ricardo Gomez

Attachment: bug_43758_resolved_stacktrace_Ricardo_Gomez.txt (text/plain), 24.56 KiB.