Layerscape UE detected and no EDAC panic

2018-12-05 Thread Tracy Smith
> I can't help you on that. I never tried to force errors by grounding the > signals. You have read the driver. Do you see panic? The idea is to > report the error and let upper layer to decide what to do. Sometimes > limping forward is better than reset or panic. Again, it is not driver's >

Layerscape UE detected and no EDAC panic

2018-12-05 Thread Tracy Smith
> I can't help you on that. I never tried to force errors by grounding the > signals. You have read the driver. Do you see panic? The idea is to > report the error and let upper layer to decide what to do. Sometimes > limping forward is better than reset or panic. Again, it is not driver's >

Layerscape behavior when a UE is detected

2018-12-05 Thread Tracy Smith
>> Question 4) If so, will a panic ever be called if there is a hardware >> uncorrectable memory failure? >No. It is up to upper layer of EDAC driver. Layerscape driver only reports CEs >and UEs. Just to be clear, the upper layer of the EDAC driver will or will not panic when a UE is detected

Layerscape behavior when a UE is detected

2018-12-05 Thread Tracy Smith
>> Question 4) If so, will a panic ever be called if there is a hardware >> uncorrectable memory failure? >No. It is up to upper layer of EDAC driver. Layerscape driver only reports CEs >and UEs. Just to be clear, the upper layer of the EDAC driver will or will not panic when a UE is detected

Patrol scrub questions

2018-12-05 Thread Tracy Smith
>Single-bit errors are corrected by memory controller without involving >software. Sorry for being verbose, but I need to explain the reason for the questions below since I need to determine if a memory scrub is required on layerscape and why. There are multiple layers to the problem of ECC.

Patrol scrub questions

2018-12-05 Thread Tracy Smith
>Single-bit errors are corrected by memory controller without involving >software. Sorry for being verbose, but I need to explain the reason for the questions below since I need to determine if a memory scrub is required on layerscape and why. There are multiple layers to the problem of ECC.

Re: edac driver injection of uncorrected errors & utils

2018-12-05 Thread Tracy Smith
, 2018 at 5:44 PM Borislav Petkov wrote: > > On Wed, Nov 28, 2018 at 04:14:24PM -0600, Tracy Smith wrote: > > Is there another way of creating an uncorrected error without crashing > > Linux using the layerscape driver? I would like to see a UE error > > collected withou

Re: edac driver injection of uncorrected errors & utils

2018-12-05 Thread Tracy Smith
, 2018 at 5:44 PM Borislav Petkov wrote: > > On Wed, Nov 28, 2018 at 04:14:24PM -0600, Tracy Smith wrote: > > Is there another way of creating an uncorrected error without crashing > > Linux using the layerscape driver? I would like to see a UE error > > collected withou

Re: edac driver injection of uncorrected errors & utils

2018-11-28 Thread Tracy Smith
carry the error. Since multi-bit errors are not > correctable. I don't expect Linux to work properly with these errors. > > York > > > On 11/28/18 1:11 PM, Tracy Smith wrote: > > Thanks York. Why will injecting multi-bit errors crash linux? Is this > > the case only for layerscape?

Re: edac driver injection of uncorrected errors & utils

2018-11-28 Thread Tracy Smith
carry the error. Since multi-bit errors are not > correctable. I don't expect Linux to work properly with these errors. > > York > > > On 11/28/18 1:11 PM, Tracy Smith wrote: > > Thanks York. Why will injecting multi-bit errors crash linux? Is this > > the case only for layerscape?

Re: The white man - Who he is. A Discussion

2018-02-24 Thread Tracy Smith
Please block this junk email Sent from my iPhone > On Feb 24, 2018, at 9:49 AM, thetruthstandsbefor...@firemail.cc wrote: > > Alot of folks have been wondering: why are things they way that they are? > Many have been pondering this notion. All things have roots: you, me, we all > do, but when

Re: The white man - Who he is. A Discussion

2018-02-24 Thread Tracy Smith
Please block this junk email Sent from my iPhone > On Feb 24, 2018, at 9:49 AM, thetruthstandsbefor...@firemail.cc wrote: > > Alot of folks have been wondering: why are things they way that they are? > Many have been pondering this notion. All things have roots: you, me, we all > do, but when

Re: [feature request] Linux should never break, it should rebuild/repair itself automatically

2017-12-01 Thread Tracy Smith
Being nice but this sounds like a contradiction if not an oxymoron. Explain how a kernel or OS can be completely stable while having memory failures, general hardware failures, hacking, etc. C++ is not the best language for writing operating systems. IBM and Apple attempted this with the

Re: [feature request] Linux should never break, it should rebuild/repair itself automatically

2017-12-01 Thread Tracy Smith
Being nice but this sounds like a contradiction if not an oxymoron. Explain how a kernel or OS can be completely stable while having memory failures, general hardware failures, hacking, etc. C++ is not the best language for writing operating systems. IBM and Apple attempted this with the

Re: MikeeUSA -- Notice Bruce Perens has NO response (nor does Moglen). [Was: Re: GrSecurity]

2017-08-03 Thread Tracy Smith
Please take this offline. Sent from my iPad > On Aug 3, 2017, at 3:26 AM, esodnencaocref...@aaathats3as.com wrote: > > Malformed ascii art saying "Don't feed the trolls" > > IE: Can't attack the message, attack the man. > > Because White Men Programmers simply do not know what they do not

Re: MikeeUSA -- Notice Bruce Perens has NO response (nor does Moglen). [Was: Re: GrSecurity]

2017-08-03 Thread Tracy Smith
Please take this offline. Sent from my iPad > On Aug 3, 2017, at 3:26 AM, esodnencaocref...@aaathats3as.com wrote: > > Malformed ascii art saying "Don't feed the trolls" > > IE: Can't attack the message, attack the man. > > Because White Men Programmers simply do not know what they do not

Re: [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA

2017-04-04 Thread Tracy Smith
Apologies, unrelated to MBA. Resent later with a changed subject line. On Tue, Apr 4, 2017 at 1:50 PM, Shivappa Vikas <vikas.shiva...@intel.com> wrote: > > > > On Mon, 3 Apr 2017, Tracy Smith wrote: > >> Hi All, >> >> No JTAG available and need to

Re: [PATCH 4/8] x86/intel_rct/mba: Add MBA structures and initialize MBA

2017-04-04 Thread Tracy Smith
Apologies, unrelated to MBA. Resent later with a changed subject line. On Tue, Apr 4, 2017 at 1:50 PM, Shivappa Vikas wrote: > > > > On Mon, 3 Apr 2017, Tracy Smith wrote: > >> Hi All, >> >> No JTAG available and need to understand why Linux 4.8.3 doesn't boot

X86 4.8 kernel boot questions

2017-04-04 Thread Tracy Smith, CEO
Hi All, The production board I'm using doesn't have a JTAG available, upgrading to 4.8 from 4.1,.and need to understand why Linux 4.8.3 doesn't boot on a x86_64 corei7-64. Boots with no issues with 4.1. Hangs at the last message of u-boot, the typical "Starting kernel." The bootcmd and arguments

X86 4.8 kernel boot questions

2017-04-04 Thread Tracy Smith, CEO
Hi All, The production board I'm using doesn't have a JTAG available, upgrading to 4.8 from 4.1,.and need to understand why Linux 4.8.3 doesn't boot on a x86_64 corei7-64. Boots with no issues with 4.1. Hangs at the last message of u-boot, the typical "Starting kernel." The bootcmd and arguments

Question: Linux changes required for off control board RTC

2017-03-21 Thread Tracy Smith
Hi, not sure if this is the correct venue to post a question, so please forgive and direct me to the correct board or list if not. A custom board implementation using a ARM-8 Cortex A53 NXP LS1043ardb is considering moving the RTC from the control board to an FPGA. Reason is for accuracy of

Question: Linux changes required for off control board RTC

2017-03-21 Thread Tracy Smith
Hi, not sure if this is the correct venue to post a question, so please forgive and direct me to the correct board or list if not. A custom board implementation using a ARM-8 Cortex A53 NXP LS1043ardb is considering moving the RTC from the control board to an FPGA. Reason is for accuracy of