[Bug 203647] Locking API testsuite fails "mixed read-lock/lock-write ABBA" rlock on kernels >=4.14.x
From: <hidden>
Date: 2019-07-16 09:00:47
https://bugzilla.kernel.org/show_bug.cgi?id=203647 Anatoly Pugachev (matorola@gmail.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |matorola@gmail.com
--- Comment #7 from Anatoly Pugachev (matorola@gmail.com) ---it's the same for sparc64: ` [ 0.000020] PROMLIB: Sun IEEE Boot Prom 'OBP 4.38.12 2018/03/28 14:54' [ 0.000032] PROMLIB: Root node compatible: sun4v [ 0.000080] Linux version 5.2.0-10808-g9637d517347e (mator@ttip) (gcc version 8.3.0 (Debian 8.3.0-7)) #1080 SMP Tue Jul 16 10:46:19 MSK 2019 [ 0.000386] printk: bootconsole [earlyprom0] enabled [ 0.000441] ARCH: SUN4V ... [ 0.451068] memory used by lock dependency info: 3855 kB [ 0.451104] per task-struct memory footprint: 1920 bytes [ 0.451140] ------------------------ [ 0.451167] | Locking API testsuite: [ 0.451194] ---------------------------------------------------------------------------- [ 0.451244] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.451294] -------------------------------------------------------------------------- [ 0.451350] A-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.454281] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.457443] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.460744] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.464032] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.467545] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.471009] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.474475] double unlock: ok | ok | ok | ok | ok | ok | ok | [ 0.477425] initialize held: ok | ok | ok | ok | ok | ok | ok | [ 0.480301] -------------------------------------------------------------------------- [ 0.480352] recursive read-lock: | ok | | ok | [ 0.481247] recursive read-lock #2: | ok | | ok | [ 0.482120] mixed read-write-lock: | ok | | ok | [ 0.482998] mixed write-read-lock: | ok | | ok | [ 0.483878] mixed read-lock/lock-write ABBA: |FAILED| | ok | [ 0.484755] mixed read-lock/lock-read ABBA: | ok | | ok | [ 0.485676] mixed write-lock/lock-write ABBA: | ok | | ok | [ 0.486597] -------------------------------------------------------------------------- ` -- You are receiving this mail because: You are watching the assignee of the bug.