Re: Warning from free_init_pages with large initrd

From: Sitsofe Wheeler
Date: Mon Sep 26 2016 - 02:22:11 EST


On 26 September 2016 at 03:14, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> On 09/24/16 08:32, Sitsofe Wheeler wrote:
>>
>> While trying to PXE boot a Fedora LiveISO on VMware ESXi the kernel
>> throws the following warning:
>>
> [...]
>>
>> The initrd is big because it holds all the files in the ISO (see
>> https://fedorahosted.org/cobbler/wiki/HowToPxeAnyLiveCd for how it was
>> made). The issue was originally filed on
>> https://bugzilla.redhat.com/show_bug.cgi?id=1274966 but was usually
>> against older kernels...
>
> How big is big?

The one that matches that backtrace is 1385 Mbytes and was made from a
Fedora rawhide ISO. Here are some sizes in megabytes from different
versions of Fedora:
960 20/initrd0.img
1416 21/initrd0.img
1379 22/initrd0.img
1430 23/initrd0.img
1492 24/initrd.img

--
Sitsofe | http://sucs.org/~sits/