Re: Ahh! did btrfs just explode on me?

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Chris Murphy wrote:

> On Wed, Jan 21, 2015 at 1:21 PM, Neal Becker <ndbecker2@xxxxxxxxx> wrote:
>> Chris Murphy wrote:
>>
>>> On Wed, Jan 21, 2015 at 12:48 PM, Neal Becker <ndbecker2@xxxxxxxxx> wrote:
>>>> Nice tip.  Unfortunately, btrfs --version says 3.18.  I suppose that is not
>>>> sufficient.
>>>
>>> 3.18 is fine. 3.18.1 pulled in small fixes.
>>>
>>>
>>>> I like this procedure, it sounds simple.  Any way to fix it?  I guess the
>>>> btrfs was from initramfs, and that installing a newer kernel would update
>>>> initramfs and get me btrfs 3.18.1 when booted this way?
>>>
>>> Yes.
>>>
>>>
>>
>> Thanks, I installed kernel 3.18.3, and followed your instructions to run
>> btrfs check --repair from initramfs.
>>
>> But now that I have kernel-3.18.3 installed, I tried (fully) booting into it.
>> Surprise, it won't boot.  Choosing it from grub, I get the usual boot
>> progress indication, but hitting esc to show messages, all I get is a black
>> screen.
>> Can't switch vt.  No indication of disk activity.  Nothing found (later) in
>> /var/log/messages about 3.18.3 - I don't think the boot got far enough.
>>
>> Booting up 3.17.8 works fine.
> 
> 
> Interesting. I'm having the same problem, intermittently, with kernel
> 3.18.3. I haven't had a chance to do much regression testing though,
> and have since moved to 3.19 kernels which don't seem to have this
> problem. The handful of 3.18.3 boots I've tried, it always booted with
> nomodeset; and only intermittently failed without it. So I figured it
> was some video regression...
> 
> What happens if you remove 'rhgb quiet' and add 'nomodeset' parameter?
> 
> 

Then I see lots of messages before it hangs.  It's not completely dead - I can 
page back through the messages.  I don't really see anything that looks like an 
error.  I got 'Welcome to Fedora 21'.

Last message was
random: nonblocking pool is initialized (after a while)

But alt-ctlr-del doesn't seem to do anything.

-- 
-- Those who don't understand recursion are doomed to repeat it

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