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AV when server is shutted down with active trace session(s) [CORE4906] #5198

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firebird-issue-importer opened this issue Aug 12, 2015 · 6 comments

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@firebird-issue-importer

Submitted by: @hvlad

1. Run firebird server as application:
firebird -a

2. Start user trace session
fbsvcmgr localhost:service_mgr action_trace_start trc_cfg fbtrace1.conf

3. Shutdown firebird server using menu of tray icon

Trace output wiil be like below:
-----------------------
Trace session ID 1 started
2015-08-12T15:49:29.0270 (5420:000000000B6D2790) TRACE_INIT
SESSION_1

Error reading data from the connection.
-----------------------

Last line clearly shows that firebird crashed. Tray icon leave at tray and will disappear if one try to activate it.

Commits: 2291a41 FirebirdSQL/fbt-repository@07c1c12

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firebird-issue-importer commented Aug 12, 2015

Modified by: @hvlad

assignee: Vlad Khorsun [ hvlad ]

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firebird-issue-importer commented Aug 12, 2015

Commented by: @hvlad

The problem is in race conditions - dispatcher could unload trace plugin before service manager closes active services.

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firebird-issue-importer commented Aug 12, 2015

Commented by: @hvlad

After the fix trace output looks like:

----------------
Trace session ID 1 started
2015-08-12T15:50:02.8420 (4572:000000000B742EE0) TRACE_INIT
SESSION_1

connection shutdown
----------------

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firebird-issue-importer commented Aug 12, 2015

Modified by: @hvlad

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 3.0 RC 1 [ 10584 ]

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firebird-issue-importer commented Aug 24, 2015

Modified by: @pavel-zotov

status: Resolved [ 5 ] => Resolved [ 5 ]

QA Status: No test => Cannot be tested

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firebird-issue-importer commented Sep 23, 2015

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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