Date: Tue, 22 Dec 1998 12:51:04 +1030 From: Greg Lehey <grog@lemis.com> To: Mike Smith <mike@smith.net.au>, current@FreeBSD.ORG Subject: Re: trap 12 with interrupts disabled Message-ID: <19981222125104.V85005@freebie.lemis.com> In-Reply-To: <199812220216.SAA02117@dingo.cdrom.com>; from Mike Smith on Mon, Dec 21, 1998 at 06:16:25PM -0800 References: <19981222124410.R85005@freebie.lemis.com> <199812220216.SAA02117@dingo.cdrom.com>
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On Monday, 21 December 1998 at 18:16:25 -0800, Mike Smith wrote: >> On Monday, 21 December 1998 at 15:52:47 -0800, Mike Smith wrote: >>> >>> Just thought after all the discussion about X servers and interupts, >>> this one might be interesting: >>> >>> pid 281 (Xaccel): trap 12 with interupts disabled >> >> Yes, I've noticed this one too. It seems to have crept in relatively >> recently, and strangely seems not to cause any problems. > > The diagnostic just warns of a bad situation (Xaccel has turned off > interrupts for some reason, and then pagefaulted), it doesn't mention > that it has in fact turned interrupts back on so that the pagefault can > be safely completed. If my page fault fails because I've blocked the interrupt, I'd expect some serious damage to happen to the process environment.n Greg -- See complete headers for address, home page and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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