Date: Thu, 19 Sep 2002 21:51:49 -0600 From: "Justin T. Gibbs" <gibbs@scsiguy.com> To: "=?gb2312?B?U1cgb3NjYXIo8VTS2Sk=?=" <oscar@tekram.com.cn> Cc: freebsd-scsi@freebsd.org Subject: Re: Page fault when rescan bus 0 again. Message-ID: <1009990000.1032493909@aslan.scsiguy.com> In-Reply-To: <F0C8B437D2F4FB45B8D25A85CA9FCD1E02327D@mail.tekram.com.cn> References: <F0C8B437D2F4FB45B8D25A85CA9FCD1E02327D@mail.tekram.com.cn>
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> Hi All. > I've writen a driver for a scsi card. > > Things goes very well when I first time kldload my driver module, > camcontrol rescan 0, and kldunload, but when I kldload this driver again, > and do "camcontrol rescan 0", system will page fault, but it will > success if I rescan 1!! , why? Are you deregistering your SIM instances with CAM when your module is unloaded? Otherwise the first instance will still be known to CAM even though the code to handle it is gone. -- Justin To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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