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* [Bug gdb/31715] New: race condition in cooked_index_shard::finalize
@ 2024-05-09 9:35 bernd.edlinger at hotmail dot de
2024-05-09 9:36 ` [Bug gdb/31715] " bernd.edlinger at hotmail dot de
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-09 9:35 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
Bug ID: 31715
Summary: race condition in cooked_index_shard::finalize
Product: gdb
Version: HEAD
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: bernd.edlinger at hotmail dot de
Target Milestone: ---
There are a number of test cases where a thread sanitizer
built on host=x86_64-linux-gnu, using gcc 12.2.0 (Debian 12.2.0-14),
reports race conditons.
gdb.base/align-c++.exp
gdb.base/align-c.exp
gdb.base/batch-preserve-term-settings.exp
gdb.base/break.exp (several times)
gdb.base/cached-source-file.exp
gdb.base/chng-syms.exp
... etc. etc.
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
@ 2024-05-09 9:36 ` bernd.edlinger at hotmail dot de
2024-05-09 9:37 ` bernd.edlinger at hotmail dot de
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-09 9:36 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 15503
--> https://sourceware.org/bugzilla/attachment.cgi?id=15503&action=edit
tsan output from gdb.base/align-c++.exp
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
2024-05-09 9:36 ` [Bug gdb/31715] " bernd.edlinger at hotmail dot de
@ 2024-05-09 9:37 ` bernd.edlinger at hotmail dot de
2024-05-09 9:38 ` bernd.edlinger at hotmail dot de
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-09 9:37 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #2 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 15504
--> https://sourceware.org/bugzilla/attachment.cgi?id=15504&action=edit
tsan output from gdb.base/align-c.exp
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
2024-05-09 9:36 ` [Bug gdb/31715] " bernd.edlinger at hotmail dot de
2024-05-09 9:37 ` bernd.edlinger at hotmail dot de
@ 2024-05-09 9:38 ` bernd.edlinger at hotmail dot de
2024-05-09 9:43 ` bernd.edlinger at hotmail dot de
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-09 9:38 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #3 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 15505
--> https://sourceware.org/bugzilla/attachment.cgi?id=15505&action=edit
tsan output from gdb.base/batch-preserve-term-settings.exp
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
` (2 preceding siblings ...)
2024-05-09 9:38 ` bernd.edlinger at hotmail dot de
@ 2024-05-09 9:43 ` bernd.edlinger at hotmail dot de
2024-05-17 14:14 ` tromey at sourceware dot org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-09 9:43 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #4 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Created attachment 15506
--> https://sourceware.org/bugzilla/attachment.cgi?id=15506&action=edit
tsan output from gdb.base/break.exp
These are some samples how the tsan reports look like
They are all very similar to those.
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
` (3 preceding siblings ...)
2024-05-09 9:43 ` bernd.edlinger at hotmail dot de
@ 2024-05-17 14:14 ` tromey at sourceware dot org
2024-05-17 15:21 ` tromey at sourceware dot org
2024-05-18 14:17 ` bernd.edlinger at hotmail dot de
6 siblings, 0 replies; 8+ messages in thread
From: tromey at sourceware dot org @ 2024-05-17 14:14 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
Tom Tromey <tromey at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at sourceware dot org
Blocks| |31751
Referenced Bugs:
https://sourceware.org/bugzilla/show_bug.cgi?id=31751
[Bug 31751] re-enable background DWARF reading
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
` (4 preceding siblings ...)
2024-05-17 14:14 ` tromey at sourceware dot org
@ 2024-05-17 15:21 ` tromey at sourceware dot org
2024-05-18 14:17 ` bernd.edlinger at hotmail dot de
6 siblings, 0 replies; 8+ messages in thread
From: tromey at sourceware dot org @ 2024-05-17 15:21 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #5 from Tom Tromey <tromey at sourceware dot org> ---
Can you try the dwarf synchronous change for this one?
https://sourceware.org/pipermail/gdb-patches/2024-May/209267.html
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* [Bug gdb/31715] race condition in cooked_index_shard::finalize
2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
` (5 preceding siblings ...)
2024-05-17 15:21 ` tromey at sourceware dot org
@ 2024-05-18 14:17 ` bernd.edlinger at hotmail dot de
6 siblings, 0 replies; 8+ messages in thread
From: bernd.edlinger at hotmail dot de @ 2024-05-18 14:17 UTC (permalink / raw)
To: gdb-prs
https://sourceware.org/bugzilla/show_bug.cgi?id=31715
--- Comment #6 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
Confirmed.
The reported race conditions are no longer reproducible with your patch.
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end of thread, other threads:[~2024-05-18 14:17 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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2024-05-09 9:35 [Bug gdb/31715] New: race condition in cooked_index_shard::finalize bernd.edlinger at hotmail dot de
2024-05-09 9:36 ` [Bug gdb/31715] " bernd.edlinger at hotmail dot de
2024-05-09 9:37 ` bernd.edlinger at hotmail dot de
2024-05-09 9:38 ` bernd.edlinger at hotmail dot de
2024-05-09 9:43 ` bernd.edlinger at hotmail dot de
2024-05-17 14:14 ` tromey at sourceware dot org
2024-05-17 15:21 ` tromey at sourceware dot org
2024-05-18 14:17 ` bernd.edlinger at hotmail dot de
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