Re: troubleshooting boot hang

[SevenBits]

On Feb 12, 2014, at 7:13 PM, Chris Murphy <address@hidden> wrote:

> 
> On Feb 10, 2014, at 3:40 PM, Jordan Uggla <address@hidden> wrote:
> 
>> On Thu, Feb 6, 2014 at 7:56 AM, Chris Murphy <address@hidden> wrote:
>>> 
>>> GRUB 2.00-25 (Fedora 20) booting a 2011 MacbookPro in EFI mode.
>>> 
>>> About 1 in 4 times, I get a boot hang with a particular kernel entry. I 
>>> choose the entry in grub, press return, the grub menu goes away and is 
>>> replaced with a black screen with a white _ and that's it. Nothing.
>>> 
>>> If I add 'set debug=all' right before the linuxefi line
>> 
>> Can you reproduce this problem using the "linux" and "initrd" commands
>> rather than "linuxefi" and "initrdefi"?
> 
> I haven't tried it. I'm fairly certain it was a bad kernel build or rpm 
> download because it hasn't happened with any kernel before or since; yet it 
> has the same transient occurrence even after reinstalling regardless of Btrfs 
> compression options. If it's useful, I'll try to reproduce with 
> linuxefi/initrdefi and if so, try to reproduce with linux/initrd.

linuxefi is a nonstandard command I believe, added in by a downstream source. 
It’s always better to test with standard commands here.

> 
> 
> Chris Murphy
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