Jordan Niethe writes:
> On Wed, 2022-08-24 at 22:04 +1000, Michael Ellerman wrote:
>> Jordan Niethe writes:
>> > On Tue, 2022-08-23 at 21:59 +1000, Michael Ellerman wrote:
>> > > The semi-recent changes to MSR handling when entering RTAS (firmware)
>> > > cause crashes on IBM Cell machines. An ex
On Wed, 2022-08-24 at 22:04 +1000, Michael Ellerman wrote:
> Jordan Niethe writes:
> > On Tue, 2022-08-23 at 21:59 +1000, Michael Ellerman wrote:
> > > The semi-recent changes to MSR handling when entering RTAS (firmware)
> > > cause crashes on IBM Cell machines. An example trace:
> ...
> > > diff
Jordan Niethe writes:
> On Tue, 2022-08-23 at 21:59 +1000, Michael Ellerman wrote:
>> The semi-recent changes to MSR handling when entering RTAS (firmware)
>> cause crashes on IBM Cell machines. An example trace:
...
>> diff --git a/arch/powerpc/kernel/rtas_entry.S
>> b/arch/powerpc/kernel/rtas_e
On Tue, 2022-08-23 at 21:59 +1000, Michael Ellerman wrote:
> The semi-recent changes to MSR handling when entering RTAS (firmware)
> cause crashes on IBM Cell machines. An example trace:
>
> kernel tried to execute user page (2fff01a8) - exploit attempt? (uid: 0)
> BUG: Unable to handle kernel
The semi-recent changes to MSR handling when entering RTAS (firmware)
cause crashes on IBM Cell machines. An example trace:
kernel tried to execute user page (2fff01a8) - exploit attempt? (uid: 0)
BUG: Unable to handle kernel instruction fetch
Faulting instruction address: 0x2fff01a8
Oops:
