lkml.org 
[lkml]   [2014]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ignore ,keep for efi earlyprintk
On 04/24/14 at 12:45pm, Ingo Molnar wrote:
>
> * Dave Young <dyoung@redhat.com> wrote:
>
> > earlyprint=efi,keep results a kernel hang after "Freeing unused kernel memory"
>
> That's a bug.
>
> >
> > Actually efi earlyprintk is using __init functions such as early_ioremap etc.
> > Thus efi earlyconsole can not be kept.
> >
> > So just ignore it and give out a warning to user.
>
> So, bugs should be fixed, not worked around.
>
> earlyprintk=,keep is really useful for the occasional difficult low
> level bug in the printk code or similar, because earlyprintk is a
> completely separate code path from printk().

I thought that earlyprintk is just for debugging before real console is available.
But it does help debugging printk as you said.

Will think about how to fix it.

Thanks
Dave


\
 
 \ /
  Last update: 2014-04-26 23:41    [W:0.113 / U:1.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site