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Message-Id: <1219802311.6462.26.camel@twins> Date: Wed, 27 Aug 2008 03:58:31 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Peter Teoh <htmldeveloper@...il.com> Cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: Locking API testsuite: Failures On Wed, 2008-08-27 at 08:27 +0800, Peter Teoh wrote: > [ 0.000999] | Locking API testsuite: > [ 0.000999] ---------------------------------------------------------------------------- > [ 0.000999] | spin |wlock |rlock > |mutex | wsem | rsem | > [ 0.000999] > -------------------------------------------------------------------------- > [ 0.000999] A-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-B-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-B-C-C-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-C-A-B-C deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-B-C-C-D-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-C-D-B-D-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] A-B-C-D-B-C-D-A deadlock:failed|failed| ok > |failed|failed|failed| > [ 0.000999] double > unlock:failed|failed|failed|failed|failed|failed| > [ 0.000999] initialize > held:failed|failed|failed|failed|failed|failed| > [ 0.000999] bad unlock order: ok | ok | ok | > ok | ok | ok | > [ 0.000999] > -------------------------------------------------------------------------- > [ 0.000999] recursive read-lock: | ok | > |failed| > [ 0.000999] recursive read-lock #2: | ok | > |failed| > [ 0.000999] mixed read-write-lock: |failed| > |failed| > [ 0.000999] mixed write-read-lock: |failed| > |failed| > [ 0.000999] > -------------------------------------------------------------------------- > [ 0.000999] hard-irqs-on + irq-safe-A/12:failed|failed| ok | > [ 0.000999] soft-irqs-on + irq-safe-A/12:failed|failed| ok | > [ 0.000999] hard-irqs-on + irq-safe-A/21:failed|failed| ok | > [ 0.000999] soft-irqs-on + irq-safe-A/21:failed|failed| ok | > [ 0.000999] sirq-safe-A => hirqs-on/12:failed|failed| ok | > [ 0.000999] sirq-safe-A => hirqs-on/21:failed|failed| ok | > [ 0.000999] hard-safe-A + irqs-on/12:failed|failed| ok | > [ 0.000999] soft-safe-A + irqs-on/12:failed|failed| ok | > [ 0.000999] hard-safe-A + irqs-on/21:failed|failed| ok | > [ 0.000999] soft-safe-A + irqs-on/21:failed|failed| ok | > [ 0.000999] hard-safe-A + unsafe-B #1/123:failed|failed| ok | > [ 0.000999] soft-safe-A + unsafe-B #1/123:failed|failed| ok | > > truncated.... > > I am just curious what does all these failures imply? Probably that you forgot to enable lockdep ;-) In which case the error cases fail to produce an error, and the test fails, but its an expected error, otherwise it would have shouted much more verbose. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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