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From: bugzilla-daemon@bugs.ecos.sourceware.org To: ecos-bugs@ecos.sourceware.org Subject: [Bug 1001983] New: scheduler-lock assertion in idle thread invalid for SMP systems Date: Fri, 09 May 2014 12:04:00 -0000 [thread overview] Message-ID: <bug-1001983-13@http.bugs.ecos.sourceware.org/> (raw) Please do not reply to this email, use the link below. http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001983 Bug ID: 1001983 Summary: scheduler-lock assertion in idle thread invalid for SMP systems Product: eCos Version: 3.0 Target: All Architecture/Host Other OS: Status: UNCONFIRMED Severity: minor Priority: low Component: Kernel Assignee: unassigned@bugs.ecos.sourceware.org Reporter: christoph.borchert@tu-dortmund.de CC: ecos-bugs@ecos.sourceware.org Created attachment 2508 --> http://bugs.ecos.sourceware.org/attachment.cgi?id=2508&action=edit patch Dear eCos developers, the following assertion, present in the idle threads's main function, is not valid for SMP systems: CYG_ASSERT( Cyg_Scheduler::get_sched_lock() == 0, "Scheduler lock not zero" ); In a multi-core system, one CPU can execute an idle loop, whereas another CPU holds the scheduler lock (and does some useful things). Attached is a patch that disables that particular assertion for SMP configurations. Best regards, Christoph -- You are receiving this mail because: You are on the CC list for the bug.
next reply other threads:[~2014-05-09 12:04 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-05-09 12:04 bugzilla-daemon [this message] 2014-05-09 12:04 bugzilla-daemon
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