Hello,
Is it possible to determine if _native_ isel is available from userspace
somehow? So far my searches on the web and within kernel (headers)/glibc
were fruitless (aux vectors, cpu_user_features), few people people (Hollis
Blanchard, Richard Henderson) suggested PPC_FEATURE_ARCH_2_06, but
Po
On Sat, 22 Sep 2012, Segher Boessenkool wrote:
> > Is it possible to determine if _native_ isel is available from userspace
> > somehow?
>
> Just try to execute one and catch the SIGILL?
>
Unfortunately my kernel emulates ISEL for me in this case, so i don't
get any SIGILLs.
--
mailto:av1...@
On Sat, 22 Sep 2012, Gabriel Paubert wrote:
> On Sat, Sep 22, 2012 at 02:12:42PM +0400, malc wrote:
> > On Sat, 22 Sep 2012, Segher Boessenkool wrote:
> >
> > > > Is it possible to determine if _native_ isel is available from userspace
> > > > somehow?
&
On Sun, 23 Sep 2012, Benjamin Herrenschmidt wrote:
> On Sat, 2012-09-22 at 21:08 +0200, Segher Boessenkool wrote:
> > > Thanks for suggestion, but i'd rather not play with heuristics.
> >
> > Have a look at /sys/kernel/debug/powerpc/emulated_instructions/ then?
>
> Userspace should *NEVER* rely
On Tue, 25 Sep 2012, Benjamin Herrenschmidt wrote:
> On Mon, 2012-09-24 at 18:55 -0500, Scott Wood wrote:
> > The ISA says that isel is "Category: Phased-In (sV2.06)" -- are there
> > any 2.06 chips that don't have it?
>
> I believe "malc" is i
On Wed, 7 Jan 2009, malc wrote:
> On Wed, 7 Jan 2009, Benjamin Herrenschmidt wrote:
>
> >
> > > As you wish :) I've written some ad-hoc stuff in the failing path which
> > > manually triggers sysrq and then sends the klogctl output via network
>
Hello,
Benjamin Herrenschmidt asked to re-report this issue to linuxppc-dev and
here it is.
[original LKML message http://lkml.org/lkml/2008/12/21/105]
Synopsis
Plain/non-root userspace application which doesn't interface with
any weird out-of/in-tree drivers manages to lock-up a PS3 machine
ru
On Thu, 25 Dec 2008, Benjamin Herrenschmidt wrote:
On Wed, 2008-12-24 at 03:08 +0300, m...@pulsesoft.com wrote:
Ken Moffat writes:
On Tue, Dec 23, 2008 at 06:04:45AM +0300, m...@pulsesoft.com wrote:
[..snip..]
Thanks for the reference, but i'm sure, now more than ever, that bad
memory h
On Mon, 5 Jan 2009, Michael Ellerman wrote:
On Sun, 2008-12-28 at 03:45 +0300, malc wrote:
On Thu, 25 Dec 2008, Benjamin Herrenschmidt wrote:
On Wed, 2008-12-24 at 03:08 +0300, m...@pulsesoft.com wrote:
Ken Moffat writes:
On Tue, Dec 23, 2008 at 06:04:45AM +0300, m...@pulsesoft.com wrote
On Tue, 6 Jan 2009, Benjamin Herrenschmidt wrote:
On Mon, 2009-01-05 at 19:34 +0300, malc wrote:
Before this change (atleast) mono_handle_native_sigsegv was executed
(before machine locks-up hard) after the change this code path is
never touched.
The fact that machine locks up hard and not
On Wed, 7 Jan 2009, Benjamin Herrenschmidt wrote:
As you wish :) I've written some ad-hoc stuff in the failing path which
manually triggers sysrq and then sends the klogctl output via network
and here it is:
Allright, something's unclear to me. What do you mean by the system goes
down then ?
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