Date: Sun, 9 Jan 2000 08:52:33 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Mohit Aron <aron@cs.rice.edu> Cc: freebsd-bugs@FreeBSD.ORG, freebsd-current@FreeBSD.ORG Subject: Re: SMP kernel panics after calling acquire_timer0 Message-ID: <Pine.BSF.4.10.10001090846310.9969-100000@alphplex.bde.org> In-Reply-To: <200001082059.OAA16137@cs.rice.edu>
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On Sat, 8 Jan 2000, Mohit Aron wrote: > Hi, > I'm using FreeBSD-current (snapshot from Jan 3rd) which is configured > with both SMP and APIC_IO support. This version panics upon calling > acquire_timer0() (to modify the interrupt frequency of the 8254). On the other > hand, if the kernel is not configured as an SMP, then it works fine. The panic > reports some problem with some SMP lock - I can get more details if someone > is interested in looking at the problem. This is cause by calling disable_intr() when a lock is held. disable_intr() is a funky macro in the SMP case. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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