XPost: linux.debian.bugs.dist, linux.debian.maint.boot

On Tue, Jun 20, 2017 at 04:01:26PM +0200, Bruno Bierbaumer wrote:

Yes, it works perfectly well for Debian Jessie.

Ok, thanks for confirming.

mips folks - any clues please? AFAICS we've had ~zero input about mips
in d-i and image work, and no visible testing. Some help would be appreciated...

On Tue, 20 Jun 2017 14:47:52 +0100 Steve McIntyre <steve@einval.com> wrote:

On Tue, Jun 20, 2017 at 03:43:36PM +0200, Bruno Bierbaumer wrote:

It also seems to be broken on MIPSEL

wget
http://ftp.nl.debian.org/debian/dists/stretch/main/installer-mipsel/current/images/malta/netboot/initrd.gz
wget
http://ftp.nl.debian.org/debian/dists/stretch/main/installer-mipsel/current/images/malta/netboot/vmlinux-4.9.0-3-4kc-malta
qemu-system-mipsel -M malta -m 256 -kernel vmlinux-4.9.0-3-4kc-malta
-initrd initrd.gz -nographic

Hi Bruno,

Did the same setup work with jessie images? I've got ~no background
with mips stuff here...

--
Steve McIntyre, Cambridge, UK. steve@einval.com
"We're the technical experts. We were hired so that management could
ignore our recommendations and tell us how to do our jobs." -- Mike Andrews

--
Steve McIntyre, Cambridge, UK. steve@einval.com Google-bait: http://www.debian.org/CD/free-linux-cd
Debian does NOT ship free CDs. Please do NOT contact the mailing
lists asking us to send them to you.

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XPost: linux.debian.bugs.dist, linux.debian.maint.boot

Hi,
thanks for the quick response!
I can confirm that netboot installer starts with nokalsr switch.

Greetings,
Bruno

On 20.06.2017 17:10, James Cowgill wrote:

Hi,

On 20/06/17 15:11, Steve McIntyre wrote:

On Tue, Jun 20, 2017 at 04:01:26PM +0200, Bruno Bierbaumer wrote:

Yes, it works perfectly well for Debian Jessie.

Ok, thanks for confirming.

mips folks - any clues please? AFAICS we've had ~zero input about mips
in d-i and image work, and no visible testing. Some help would be
appreciated...

On Tue, 20 Jun 2017 14:47:52 +0100 Steve McIntyre <steve@einval.com> wrote: >>>> On Tue, Jun 20, 2017 at 03:43:36PM +0200, Bruno Bierbaumer wrote:

It also seems to be broken on MIPSEL

wget
http://ftp.nl.debian.org/debian/dists/stretch/main/installer-mipsel/current/images/malta/netboot/initrd.gz
wget
http://ftp.nl.debian.org/debian/dists/stretch/main/installer-mipsel/current/images/malta/netboot/vmlinux-4.9.0-3-4kc-malta
qemu-system-mipsel -M malta -m 256 -kernel vmlinux-4.9.0-3-4kc-malta >>>>> -initrd initrd.gz -nographic

Hi Bruno,

Did the same setup work with jessie images? I've got ~no background
with mips stuff here...

I think I know which error you mean (and I confess I have seen it
before). The issue is that QEMU loads the initrd into the memory
immediately after the kernel, but that bit of memory might get
overwritten by KASLR when the kernel starts and relocates itself.

You can workaround it by passing "-append nokaslr" to QEMU, but I guess
that QEMU should be fixed to place the initrd in a higher bit of memory.

James

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