Hi,
Since you all seem to hit a compiler option issue, rather than
dropping optimizations from -O2 to -O1, what about specifically
targeting Merced or McKinley CPU with -mtune=merced or -mtune=mckinley
gcc option? There are also itanium and itanium1 as accepted keywords,
but I don't know how they differ from merced. On a side note, I don't
know what's the difference between the mckinley and itanium2 keywords
(I'm currently rebuilding my whole Gentoo system using
-mtune=itanium2, since I'm running Madison CPUs on my zx6000).
Émeric
2013/7/30 Lennert Van Alboom <lenn...@vanalboom.org>:
> On Sun, Jul 28, 2013 at 06:15:39PM +0100, Will Deacon wrote:
>> On Sun, Jul 28, 2013 at 05:06:41PM +0100, Will Deacon wrote:
>> > My *hunch* is that this is compiler related. Given the speed of my machine,
>> > does anybody know where I can find a cross-compiler matching the version
>> > used to build the Squeeze kernel (gcc version 4.4.5 (Debian 4.4.5-8))? I
>> > tried
>> > cross-compiling the Squeeze kernel sources with a more recent toolchain
>> > (4.6.3) and the resulting image also caused a hard reset -- hence the
>> > hunch,
>> > although it's also possible that I just screwed up the kernel config.
>>
>> Ok, after some more experimentation, this is looking more and more like
>> a compiler problem. Using 4.6.3, I *can* build a bootable kernel from the
>> Squeeze sources but only if I hack the kernel Makefile to pass -O1 instead
>> of -O2 or -Os.
>
> Aha - interesting. This might be the same issue as the one I'm seeing on HPVM
> on zx6000 (rx2600) with wheezy (coredump & VM hard reset).
>
> I can test any new iso easily - if it boots to the installer it's fine - but
> installing it will probably be a problem still since the scsi driver was
> dropped or is broken :-)
>
>
> Lennert
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