0!
Thanks everyone for your help in tracking down the bug & to Aneesh for
finding a fix :-)
Cordially,
--
Romain Dolbeau
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
index 15b75005bc34..516db8a2e6ca 100644
--- a/arch/powerpc/in
es, ...).
> The only weirdness I could notice is that my swap space wasn't mounted.
No surprise, I think the on-disk format for the swap space hardwire
the page size. There's even a '-p' option to 'mkswap' to specify a
page size when creating the swap space.
Cordially,
--
Romain Dolbeau
crash happens _before_ nouveau is loaded
(it seems to me I'm still on the OpenFirmware framebuffer, font change
occurs later).
Unfortunately I don't have a PCIe OpenFirmware ATI card to test the
theory further.
(... well I _do_ have a Sun XVR-300 ... technically it fits the bill ... )
Cordially,
--
Romain Dolbeau
ber I only needed "gcc-powerpc64-linux-gnu" and
dependencies. My '.config' is Debian's 5.3 plus default values for
changes - with the exception of 4 KiB pages.
I've also uploaded the working kernel with 4 KiB pages DEB here:
<http://dl.free.fr/otB1KMEMR>, as it
oto0033.jpg>
Cordially,
--
Romain Dolbeau
of my depth here. I can try some kernel
(build, runtime) options and/or patch, but someone will have to tell
me what to try,
as I have no ideas.
Cordially & Happy New Year!
--
Romain Dolbeau
to Aneesh - did you try 64k pages on your G5, or only 4k?
In the second case, could you try with 64k to see if you can reproduce
the crash?
To Jeroen - is your iMac booting with 4k or 64k pages? Same question
for the crashing G5, though I assume the answer is going to be 64k
there.
Thanks & cordially,
--
Romain Dolbeau
Perhaps even the binary...
Thanks & cordially,
--
Romain Dolbeau
atchdog seems to rely on a SMP symbol, and once I
disabled it, the MM subsystem was missing some 'numa' symbols.
Cordially,
--
Romain Dolbeau
multiprocessors?
Could you share the screen/log of the crash?
For my G5 with 5.5rc1 I have one, but the photo is terrible:
<http://www.dolbeau.name/dolbeau/files/Photo0031.jpg>
Timestamps overlap, as after the 'crash' (backtrace) there was
more messages from the (S)ATA subsystem.
Cordially,
--
Romain Dolbeau
sion_history>
--
Romain Dolbeau
Hello,
Le sam. 16 nov. 2019 à 17:34, Romain Dolbeau a écrit :
> So it seems to me that 0034d395f89d9c092bb15adbabdca5283e258b41
> introduced the bug that crashes the PowerMac G5
There's been some commits in that subsystem, so I tried again; as of
6794862a16ef41f753abd75c03a152836e
Le dim. 10 nov. 2019 à 11:45, Romain Dolbeau a écrit :
> Any suggestion, advice, or patch to try welcome :-)
>From my bisect, I figured that
0034d395f89d9c092bb15adbabdca5283e258b41 was the likely culprit, but
that the bug was masked by the printk() issues that were fixed later:
;, using default
values for oldconfig, starting with the config file from Debian at the
beginning, cross-gcc is 8.3 from buster, tested on a G5 Quad).
Any suggestion, advice, or patch to try welcome :-)
Thanks in advance& cordially,
--
Romain Dolbeau
ppc64_bisect.log.gz
Description: GNU Zip compressed data
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