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From: Vivek Goyal <vgoyal@redhat.com>
To: WANG Chao <chaowang@redhat.com>
Cc: "Thomas D." <whissi@whissi.de>,
	kexec@lists.infradead.org, Kees Cook <keescook@chromium.org>
Subject: Re: kexec fails to boot kernels where CONFIG_RANDOMIZE_BASE=y is set
Date: Wed, 20 Aug 2014 10:33:15 -0400	[thread overview]
Message-ID: <20140820143315.GC16303@redhat.com> (raw)
In-Reply-To: <20140819090724.GB21724@dhcp-17-37.nay.redhat.com>

On Tue, Aug 19, 2014 at 05:07:24PM +0800, WANG Chao wrote:
> On 08/18/14 at 10:57am, Vivek Goyal wrote:
> > Hi Thomas,
> > 
> > I think kexec is broken with CONFIG_RANDOMIZE_BASE=y. Chao had raised
> > this issue some time back when this option was introduced. I don't
> > remember the details though that why it is broken.
> 
> The following fix the problem for kdump case:
> 
> commit 0d52644
> Author: WANG Chao <chaowang@redhat.com>
> Date:   Fri Mar 28 15:05:00 2014 +0800
> 
>     x86, kaslr: add alternative way to locate kernel text mapping area
> 
> 
> For kexec case, it hangs in purgatory:
> 
> [  556.859384] kexec: Starting new kernel
> I'm in purgatory

Chao, 

Do you know why does it hang in purgatory in case of kexec?

Thanks
Vivek

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  reply	other threads:[~2014-08-20 14:33 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-17 21:02 kexec fails to boot kernels where CONFIG_RANDOMIZE_BASE=y is set Thomas D.
2014-08-18 14:57 ` Vivek Goyal
2014-08-19  9:07   ` WANG Chao
2014-08-20 14:33     ` Vivek Goyal [this message]
2014-08-21 15:57       ` Kees Cook
2014-08-21 18:10         ` Vivek Goyal
2014-08-21 19:02           ` Vivek Goyal
2014-08-21 19:27             ` Thomas D.
2014-08-22 18:18               ` Kexec failing in handle_relocations() (Was: Re: kexec fails to boot kernels where CONFIG_RANDOMIZE_BASE=y is set) Vivek Goyal
2014-08-21 19:16           ` kexec fails to boot kernels where CONFIG_RANDOMIZE_BASE=y is set Vivek Goyal
2014-08-22  3:19           ` WANG Chao
2014-08-22 11:59             ` Baoquan He
2014-08-22 12:30               ` Thomas D.
2014-08-22 12:40                 ` Vivek Goyal
2014-08-22 13:23                   ` Thomas D.
2014-08-22 13:16               ` Vivek Goyal
2014-08-22 14:44                 ` Baoquan He
2014-08-22 12:38             ` Vivek Goyal
2014-08-22 12:47               ` Thomas D.
2014-08-22 12:53                 ` Vivek Goyal
2014-08-22 14:59                   ` Baoquan He

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