Messages in this thread | | | Date | Fri, 31 Dec 2004 03:40:03 -0800 | From | Andrew Morton <> | Subject | Re: waiting 10s before mounting root filesystem? |
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Marcelo Tosatti <marcelo.tosatti@cyclades.com> wrote: > > On Fri, Dec 31, 2004 at 01:49:05AM -0800, Andrew Morton wrote: > > William Park <opengeometry@yahoo.ca> wrote: > > > > > > - printk("VFS: Cannot open root device \"%s\" or %s\n", > > > - root_device_name, b); > > > - printk("Please append a correct \"root=\" boot option\n"); > > > + if (--tryagain) { > > > + printk (KERN_WARNING "VFS: Waiting %dsec for root device...\n", tryagain); > > > + ssleep (1); > > > + goto retry; > > > + } > > > + printk (KERN_CRIT "VFS: Cannot open root device \"%s\" or %s\n", root_device_name, b); > > > + printk (KERN_CRIT "Please append a correct \"root=\" boot option\n"); > > > > Why is this patch needed? If it is to offer the user a chance to insert > > the correct medium or to connect the correct device, > > The media may take a while to become readable (think of CDROM). >
But the device driver should wait while the media spins up. If it doesn't, the kernel would get I/O errors all over the place in normal operation.
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