wakedelay.better.diff

fgudin, 08/26/2012 01:02 pm

Download (2 kB)

 
b/sys/boot/common/loader.8
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.Nm initrd .
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See
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.Xr mkinitrd 8 .
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.It Va vfs.root.wakedelay
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Specify an additional delay (default is 2 seconds if unspecified) before trying to mount root.
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.El
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.Sh FILES
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.Bl -tag -width /boot/defaults/dloader.menu -compact
b/sys/boot/dloader/loader.conf
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#kern.ipc.nmbufs=""		# Set the maximum number of mbufs
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#kern.vm.kmem.size=""		# Sets the size of kernel memory (bytes)
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#net.inet.tcp.tcbhashsize=""	# Set the value of TCBHASHSIZE
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#vfs.root.wakedelay=""		# Delay in seconds before trying to mount the root
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#vfs.root.mountfrom=""		# Specify root partition in a way the
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				# kernel understands. You can specify a semicolon
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				# separated device list which will be tried.
b/sys/kern/vfs_conf.c
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static int	setrootbyname(char *name);
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SYSINIT(mountroot, SI_SUB_MOUNT_ROOT, SI_ORDER_SECOND, vfs_mountroot, NULL);

  		





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static int wakedelay = 2;	/* delay before mounting root: defaults to 2 seconds */

  		





  
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TUNABLE_INT("vfs.root.wakedelay", &wakedelay);

  		





  
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/*

  		





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 * Find and mount the root filesystem

  		





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 */

  		





  ......




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	 * Messages can fly around here so get good synchronization

  		





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	 * coverage.

  		





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	 *

  		





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	 * XXX - Delay an additional 2 seconds to help drivers which pickup

  		





  
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	 * XXX - Delay some more (default: 2s) to help drivers which pickup

  		





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	 *       devices asynchronously and are not caught by CAM's initial

  		





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	 *	 probe.

  		





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	 */

  		





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	sync_devs();

  		





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	tsleep(&dummy, 0, "syncer", hz*2);

  		





  
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	tsleep(&dummy, 0, "syncer", hz*wakedelay);

  		





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	/*