CentOS 4.11 RTEMS VM cannot be upgraded?

[Ye Xu]

Hello,

I loaded centOS virtual machine in virtual box and ran: yum upgrade. But
after that, when I powered it off and started it again, it was stuck in the
starting process and never finished. Does anyone else have this problem?

PS: my friend used windows OS and had the same problem. Before yum upgrade,
he could reboot centOS VM, but after upgrading he just had the same problem
as I did.

Best regards,
Ye Xu

-- 
Best Regards,

Ares Hsu
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