Re: Kernel broken for Apple powerbooks

2020-09-01 Thread John Paul Adrian Glaubitz
On 9/1/20 12:42 PM, Giuseppe Sacco wrote: >> What patch? Did the kernel guys already fix the problem? > > no, the one that disable VMAP_STACK on ppc32 with PMU. And it will be > included in 5.8-stable, as well. Well, just disabling a configuration option is not really a fix though. Adrian --

Re: Kernel broken for Apple powerbooks

2020-09-01 Thread Giuseppe Sacco
Il giorno mar, 01/09/2020 alle 12.17 +0200, John Paul Adrian Glaubitz ha scritto: > Hi Guiseppe! > > On 9/1/20 9:30 AM, Giuseppe Sacco wrote: > > > Let me try it on my on Apple iBook G4 first though. > > > > did you try on your machine? > > Not yet. I wasn't home the past days. Will try it today

Re: Kernel broken for Apple powerbooks

2020-09-01 Thread John Paul Adrian Glaubitz
Hi Guiseppe! On 9/1/20 9:30 AM, Giuseppe Sacco wrote: >> Let me try it on my on Apple iBook G4 first though. > > did you try on your machine? Not yet. I wasn't home the past days. Will try it today. > BTW, it seems this patch will be included > in upstream version 5.9-rc4. What patch? Did the

Re: Kernel broken for Apple powerbooks

2020-09-01 Thread Giuseppe Sacco
Hello Adrian, Il giorno ven, 28/08/2020 alle 15.51 +0200, John Paul Adrian Glaubitz ha scritto: > Hello! > > On 8/28/20 3:41 PM, Giuseppe Sacco wrote: [...] > > Ok, so I will ask for this config change on the standard package > > src:linux using the already opened bug. > > Yes, I posted a propos

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread Lennart Sorensen
On Fri, Aug 28, 2020 at 04:10:10PM +0200, John Paul Adrian Glaubitz wrote: > Not sure whether it's an actual problem because the majority of users with > a 32-bit kernel will be on Mac hardware, so the number of fixed systems > will certainly outweigh the number of systems which can't be debugged.

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread John Paul Adrian Glaubitz
On 8/28/20 3:44 PM, Lennart Sorensen wrote: > Seems like a pretty bad bandaid to turn off a useful debug feature on > all systems just because you enable support for the ADB_PMU. It solves > the problem for the affected apples, but is it worth the cost to all other > 32 bit powerpc systems to make

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread Lennart Sorensen
On Fri, Aug 28, 2020 at 03:14:10PM +0200, Giuseppe Sacco wrote: > Hello, > since two months I am debugging the kernel boot process on an Apple > powerbook because latest Debian kernels do not boot. I already opened a bug > against debian src:linux package[1]. > Finally, I found the problem and I r

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread John Paul Adrian Glaubitz
Hello! On 8/28/20 3:41 PM, Giuseppe Sacco wrote: >> Thanks for tracing this down. I'm not sure, however, whether your bug >> report >> will get any attention there. It's better to post it on the official >> kernel >> mailing list called linuxppc-dev [1] and the kernel bugzilla [2]. > > Yes, I con

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread Giuseppe Sacco
Hello Adrian, Il giorno ven, 28/08/2020 alle 15.25 +0200, John Paul Adrian Glaubitz ha scritto: > Hi Guiseppe! > > On 8/28/20 3:14 PM, Giuseppe Sacco wrote: > > since two months I am debugging the kernel boot process on an Apple > > powerbook because latest Debian kernels do not boot. I already >

Re: Kernel broken for Apple powerbooks

2020-08-28 Thread John Paul Adrian Glaubitz
Hi Guiseppe! On 8/28/20 3:14 PM, Giuseppe Sacco wrote: > since two months I am debugging the kernel boot process on an Apple > powerbook because latest Debian kernels do not boot. I already opened a bug > against debian src:linux package[1]. > Finally, I found the problem and I reported it upstre

Kernel broken for Apple powerbooks

2020-08-28 Thread Giuseppe Sacco
Hello, since two months I am debugging the kernel boot process on an Apple powerbook because latest Debian kernels do not boot. I already opened a bug against debian src:linux package[1]. Finally, I found the problem and I reported it upstream [2]. It seems the fix will require some time, but in t