Date: Thu, 19 Feb 2009 19:56:55 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-current@freebsd.org, Daichi GOTO <daichi@ongs.co.jp>, Masanori OZAWA <ozawa@ongs.co.jp> Subject: Re: USB2: booting from usb memory issue, including a foolish patch Message-ID: <alpine.BSF.2.00.0902191948130.99137@fledge.watson.org> In-Reply-To: <200902190931.32064.hselasky@c2i.net> References: <499CC89E.2040408@ongs.co.jp> <200902190857.05883.hselasky@c2i.net> <499D1462.6030900@ongs.co.jp> <200902190931.32064.hselasky@c2i.net>
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On Thu, 19 Feb 2009, Hans Petter Selasky wrote: >> I have checked a patch on above URL (freesbie term), it looks like better >> than mine. How about to merge that patch to usb2 stack, HPS? >> >> If someone could add feature that waits all boot deives prove, that's best. >> And adding tuning feature of 16 seconds wait time by /boot/loader.conf, >> it's great. Anyone could do that? > > Could we change "mount", that if we specify some wait flag, it will simply > loop in kernel and userland for a user specified amount of time? I thought run_interrupt_driven_config_hooks(), done at SI_SUB_INT_CONFIG_HOOKS, allowed subsystems such as SCSI to suspend the boot while they finish probing, and root_mount_hold() similarly allowed higher level subsystems such as GEOM modules to delay the root mount while they do their bit. Robert N M Watson Computer Laboratory University of Cambridge
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