Date: Tue, 21 Mar 2000 10:25:53 +0100 From: Brad Knowles <blk@skynet.be> To: Mike Smith <msmith@FreeBSD.ORG> Cc: "John W. DeBoskey" <jwd@unx.sas.com>, freebsd-current@FreeBSD.ORG, Brad Chisholm <sasblc@unx.sas.com> Subject: Re: AMI MegaRAID lockup? not accepting commands. Message-ID: <v04220801b4fcf066fdde@[195.238.1.121]> In-Reply-To: <200003210325.TAA70819@mass.cdrom.com> References: <200003210325.TAA70819@mass.cdrom.com>
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At 7:25 PM -0800 2000/3/20, Mike Smith wrote: > Not that I consider this particuarly optimal; busy-waiting for the > controller is a terrible waste of the host CPU. A better solution would > probably defer the command and try again a short time later, but let's > see if this works first. Since this is a device driver, I guess you can't usleep() and then check again? Is there anything else useful you could be doing during that period of time -- other than busy waiting? -- These are my opinions -- not to be taken as official Skynet policy ====================================================================== Brad Knowles, <blk@skynet.be> || Belgacom Skynet SA/NV Systems Architect, Mail/News/FTP/Proxy Admin || Rue Colonel Bourg, 124 Phone/Fax: +32-2-706.13.11/12.49 || B-1140 Brussels http://www.skynet.be || Belgium To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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