Re: next/mmotm unbootable on G5: irqdomain

From: Hugh Dickins
Date: Sun Jul 22 2012 - 10:45:22 EST


On Sun, 22 Jul 2012, Benjamin Herrenschmidt wrote:
> On Sat, 2012-07-21 at 19:47 -0700, Hugh Dickins wrote:
> > I have to revert the patch below from mmotm 2012-07-20-16-30 or
> > next-20120720 in order to boot on the PowerPC G5: otherwise it
> > freezes before switching to the framebuffer console - but I'm
> > not certain where because that initial console doesn't scroll
> > (there are mpic messages at bottom and at top of screen, probably
> > later messages at the top but I don't know the sequence).
>
> Remind me your G5 variant ? (/proc/cpuinfo will do). I'll have a look
> tomorrow (and thanks for testing !).
>
> > commit 94f036a1f242f98cc30700b7676c07270a9c5c27
> > Author: Grant Likely <grant.likely@xxxxxxxxxxxx>
> > Date: Sun Jun 3 22:04:39 2012 -0700
> >
> > irqdomain: eliminate slow-path revmap lookups

Thanks, Ben - here's my /proc/cpuinfo:

processor : 0
cpu : PPC970MP, altivec supported
clock : 2500.000000MHz
revision : 1.1 (pvr 0044 0101)

processor : 1
cpu : PPC970MP, altivec supported
clock : 2500.000000MHz
revision : 1.1 (pvr 0044 0101)

processor : 2
cpu : PPC970MP, altivec supported
clock : 2500.000000MHz
revision : 1.1 (pvr 0044 0101)

processor : 3
cpu : PPC970MP, altivec supported
clock : 2500.000000MHz
revision : 1.1 (pvr 0044 0101)

timebase : 33333333
platform : PowerMac
model : PowerMac11,2
machine : PowerMac11,2
motherboard : PowerMac11,2 MacRISC4 Power Macintosh
detected as : 337 (PowerMac G5 Dual Core)
pmac flags : 00000000
L2 cache : 1024K unified
pmac-generation : NewWorld

Hugh
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