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   comp.sys.raspberry-pi      Raspberry Pi computers & related hardwar      26,127 messages   

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   Message 25,424 of 26,127   
   druck to Theo   
   Re: Pi2 bootcode.bin puzzle   
   27 Mar 25 21:22:05   
   
   From: news@druck.org.uk   
      
   On 27/03/2025 15:53, Theo wrote:   
   > druck  wrote:   
   >> It may still work on the Pi 2B, but being slower you may need to   
   >> increase the value of rootwait in cmdline.txt - particularly if it is a   
   >> spinning disc rather than an SSD - it could take 60 seconds before the   
   >> drive is readable.   
   >   
   > I think the problem here is that start.elf, config.txt, the kernel and   
   > cmdline.txt are all on the USB device - you can't put a timeout in   
   > cmdline.txt because by that point you already need the USB device up to read   
   > that file.   
   >   
   > The alternative approach would be to have a regular bootcode.bin, start.elf,   
   > kernel, etc on the SD card and then tell the kernel to find its rootfs on a   
   > USB drive, at which point rootwait may help.  (I think Bob is using FreeBSD   
   > but there is probably an equivalent option there).  Or to interpose u-boot   
   > for the 'kernel' on the SD card, and then tell u-boot to find the kernel on   
   > USB.   
      
   That's the only way it works on older devices.   
      
   ---druck   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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