Hello all. I've created what Philippe thinks is a good patch for this issue as
well as looked at other cases of clobbered bits in the MSR as it relates to
vsx, spe, and altivec. I have checked in a patch on our interim 4.14 IPIPE
work which is not yet public. It looks trivial to backport this to
On Wednesday, April 25, 2018 12:49:53 PM EDT Philippe Gerum wrote:
> The fix makes a lot of sense, thanks. This bug slipped under the radar
> for years likely because enabling the ppc fpu in kernel context mainly
> happens when fixing up alignment issues, which rt apps tend to avoid in
> the first
On 04/25/2018 10:54 AM, Jouko Haapaluoma wrote:
> On Mon, Apr 02, 2018 at 12:56:39PM +, Sagi Maimon wrote:
>> Hi all,
>> I am working with: Powerpc e300 SOC.
>> I am using: xenomai-2.6.4 version
>>
>> I am experiencing this exception on my Linux :
>> Unrecoverable FP Unavailable Exception 801 a
] Unrecoverable FP Unavailable Exception 801
On Mon, Apr 02, 2018 at 12:56:39PM +, Sagi Maimon wrote:
> Hi all,
> I am working with: Powerpc e300 SOC.
> I am using: xenomai-2.6.4 version
>
> I am experiencing this exception on my Linux :
> Unrecoverable FP Unavailable Excepti
On Mon, Apr 02, 2018 at 12:56:39PM +, Sagi Maimon wrote:
> Hi all,
> I am working with: Powerpc e300 SOC.
> I am using: xenomai-2.6.4 version
>
> I am experiencing this exception on my Linux :
> Unrecoverable FP Unavailable Exception 801 at c0003858
> Oops: Unrecoverable FP Unavailable Excepti
On Wednesday, April 4, 2018 11:42:08 AM EDT Sagi Maimon wrote:
> Thanks for your reply.
> You are right, but unfortunately in my ssytem it happens on the Linux side:
> The Linux kernel code that fixes the alignment during align exception (600)
> works most of the time, but sometimes during the alig
Maimon
Cc: Lennart Sorensen ; xenomai@xenomai.org
Subject: Re: [Xenomai] Unrecoverable FP Unavailable Exception 801
On Wednesday, April 4, 2018 8:57:31 AM EDT Sagi Maimon wrote:
> HI,
> I did it only from Linux side.
> I can try doing it from xenomai side too.
> Please explain how would
On Wednesday, April 4, 2018 8:57:31 AM EDT Sagi Maimon wrote:
> HI,
> I did it only from Linux side.
> I can try doing it from xenomai side too.
> Please explain how would it help to investigate the problem?
>
If the problem does not occur in a regular linux thread, but only occurs in a
xenomai-s
n D. (GSFC-582.0)[Embedded Flight Systems, Inc]
; xenomai@xenomai.org
Subject: Re: [Xenomai] Unrecoverable FP Unavailable Exception 801
On Wed, Apr 04, 2018 at 12:57:31PM +, Sagi Maimon wrote:
> HI,
> I did it only from Linux side.
> I can try doing it from xenomai side too.
> Pleas
On Wed, Apr 04, 2018 at 12:57:31PM +, Sagi Maimon wrote:
> HI,
> I did it only from Linux side.
> I can try doing it from xenomai side too.
> Please explain how would it help to investigate the problem?
As far as I recall the kernel alignment fixup is only allowed from linux
mode since it uses
, April 04, 2018 15:55
To: Sagi Maimon ; Lennart Sorensen
Cc: xenomai@xenomai.org
Subject: RE: [Xenomai] Unrecoverable FP Unavailable Exception 801
Can you trigger alignment exception both from a regular Linux user thread and a
xenomai user thread?
From
Systems,
Inc]
Cc: xenomai@xenomai.org
Subject: RE: [Xenomai] Unrecoverable FP Unavailable Exception 801
As far as I know The system doesn't use kernel threads that use the FPU (but it
is a huge system, so I hard to be sure)
What I know for sure, is that some processes on user space use d
;Alignment
Exception (600)", just for testing.
-Original Message-
From: Xenomai [mailto:xenomai-boun...@xenomai.org] On Behalf Of Lennart Sorensen
Sent: Tuesday, April 03, 2018 21:32
To: Steven Seeger
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Unrecoverable FP Unavailable Exception 8
Correct :-)
-Original Message-
From: Xenomai [mailto:xenomai-boun...@xenomai.org] On Behalf Of Steven Seeger
Sent: Tuesday, April 03, 2018 21:34
To: Lennart Sorensen
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] Unrecoverable FP Unavailable Exception 801
On Tuesday, April 3, 2018 2:31
On Tuesday, April 3, 2018 2:31:38 PM EDT Lennart Sorensen wrote:
> On Tue, Apr 03, 2018 at 09:57:52AM -0400, Steven Seeger wrote:
> > I'm a little curious about the fact that the address this occurred at is
> > 0xc0003858, which suggests it's kernel code. As Philippe asked, what
> > version of the
On Tue, Apr 03, 2018 at 09:57:52AM -0400, Steven Seeger wrote:
> I'm a little curious about the fact that the address this occurred at is
> 0xc0003858, which suggests it's kernel code. As Philippe asked, what version
> of the ipipe are you using? Also, what is your exact CPU? The e300c2 does not
On Monday, April 2, 2018 10:54:54 AM EDT Sagi Maimon
wrote:
> Hi all,
> I am working with: Powerpc e300 SOC.
> I am using: xenomai-2.6.4 version
>
> I am experiencing this exception on my Linux :
> Unrecoverable FP Unavailable Exception 801 at c0003858
> Oops: Unrecoverable FP Unavailable Excep
On Mon, Apr 02, 2018 at 12:56:39PM +, Sagi Maimon wrote:
> Hi all,
> I am working with: Powerpc e300 SOC.
> I am using: xenomai-2.6.4 version
>
> I am experiencing this exception on my Linux :
> Unrecoverable FP Unavailable Exception 801 at c0003858
> Oops: Unrecoverable FP Unavailable Excepti
On 04/02/2018 02:56 PM, Sagi Maimon wrote:
> Hi all,
> I am working with: Powerpc e300 SOC.
> I am using: xenomai-2.6.4 version
The key information is: which I-pipe version.
>
> I am experiencing this exception on my Linux :
> Unrecoverable FP Unavailable Exception 801 at c0003858
> Oops: Unreco
Hi all,
I am working with: Powerpc e300 SOC.
I am using: xenomai-2.6.4 version
I am experiencing this exception on my Linux :
Unrecoverable FP Unavailable Exception 801 at c0003858
Oops: Unrecoverable FP Unavailable Exception, sig: 6 [#1]
This happens during "alignment exception" (600)
I found t
20 matches
Mail list logo
