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Tue, 5 Dec 2023 18:07:28 +0000 Message-ID: Date: Tue, 5 Dec 2023 18:07:23 +0000 User-Agent: Mozilla Thunderbird Subject: Re: gdb.threads/attach-many-short-lived-threads.exp FAIL Content-Language: en-US To: Carl Love , blarsen@redhat.com, gdb-patches@sourceware.org References: <8e771024d7ebbe9f36336a80312ea330f05e8a28.camel@linux.ibm.com> From: Luis Machado In-Reply-To: <8e771024d7ebbe9f36336a80312ea330f05e8a28.camel@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LO6P123CA0029.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:313::14) To VI1PR08MB3919.eurprd08.prod.outlook.com (2603:10a6:803:c4::31) MIME-Version: 1.0 X-MS-TrafficTypeDiagnostic: VI1PR08MB3919:EE_|PAWPR08MB10042:EE_|AM2PEPF0001C713:EE_|DU0PR08MB9701:EE_ X-MS-Office365-Filtering-Correlation-Id: 7c68ca58-0cc4-4113-65d6-08dbf5bd1083 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Dec 2023 18:07:37.7259 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7c68ca58-0cc4-4113-65d6-08dbf5bd1083 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C713.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU0PR08MB9701 X-Spam-Status: No, score=-5.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,KAM_DMARC_NONE,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 12/5/23 18:01, Carl Love wrote: > Luis, Guinevere: > > I am also seeing a recent increase in the attach-many-short-lived- > threads.exp test failures on both Power 9 and 10 buildbot results. > > I have seen a little "noise" in the past with a threads or signal test > occasionally failing and then being fine on the next run. I don't > remember this particular test being noisy in the past. But this test > seems to have recently gotten really "noisy". > > I saw that you both briefly discussed the failures on IRC. > Here is what I am seeing for the attach-many-short-lived-threads.exp > test failures. The issues started on Friday Nov 31. > > Power 9 Power 10 > 11/31/2023 39 new fail, 1 fixed 0 new, 0 fixed > 12/1/2023 0 new, 39 fixed 50 new, 0 fixed > 12/2/2023 52 new, 0 fixed 87 new, 40 fixed > 12/3/2023 checkout fail 12 new, 6 fixed > > I ran the full regression tests manually today. It the attach-many- > short-lived-threads.exp test ran fine on Power 9 and failed 103 times > on Power 10. > > I took a quick look at the git log and nothing jumped out as an obvious > culprit. It sounded like Luis was going to look into the test. I > thought I would start by reaching out to see what the status is? Do we > have a bugzilla for the issue? > > Carl > I bisected these new FAIL's to a particular patch, and replied to this thread: https://inbox.sourceware.org/gdb-patches/a6be03ef-9337-4693-a835-99ae5a0bc16e@arm.com/