Random boot device detection failure

  • Thread starter Thread starter subbarao77
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subbarao77

Hi there,

I have a XUbuntu 11.10 system booting from USB with 1 or more HDD's used for data storage. I have a test to reboot this system every 6 minutes or so using reboot command. Most of the time system detects the bootable USB stick and boots. Sometimes the bootable stick is not detected and booting fails. BIOS shows that no bootable device is detected. Even reset doesn't solve this. If I switch off and switch on the system boot device gets detected. This issue is seen in Intel, ECS, Asus mother boards. So, I feel during reboot kernel does some operation due to which device is not detected in next reboot.

Can anybody point me to a way to investigate this ?

Thanks,
Subbarao

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