RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
More food for thought. https://mobile.twitter.com/pwnallthethings/status/947978927284383744 --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The

RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
Sorry, cpuid. --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The need of the many outweighs the greed of the few. --- -Original Message-

Re: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Kurt Jaeger
Hi! > You can see if your cpu supports pcid using cpuinfo from ports. portfind cpuinfo finds sysutils/p5-Linux-Cpuinfo, but this does not provide a cpuinfo command ? -- p...@opsec.eu+49 171 3101372 2 years to go !

Re: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
On January 2, 2018 4:56:48 PM PST, Michael Butler wrote: >On 01/02/18 19:20, Cy Schubert wrote: >> This Linux commit gives us a hint. >> >> https://lkml.org/lkml/2017/12//27/2 > >Sadly, the articles I've read to date make no mention of which Intel >silicon revs are

Re: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Michael Butler
On 01/02/18 19:20, Cy Schubert wrote: > This Linux commit gives us a hint. > > https://lkml.org/lkml/2017/12//27/2 Sadly, the articles I've read to date make no mention of which Intel silicon revs are vulnerable. However, the use of the PCID feature, which is only available on more recent CPUs,

RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
On January 2, 2018 4:24:55 PM PST, Cy Schubert wrote: >https://mobile.twitter.com/grsecurity/status/948170302286172160?p=v > >--- >Sent using a tiny phone keyboard. >Apologies for any typos and autocorrect. >Also, this old phone only supports top post. Apologies. > >Cy

RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
--- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The need of the many outweighs the greed of the few. --- -Original Message- From: Zaphod

RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
https://mobile.twitter.com/grsecurity/status/948170302286172160?p=v --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The need of the many outweighs

RE: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Cy Schubert
This Linux commit gives us a hint. https://lkml.org/lkml/2017/12//27/2 --- Sent using a tiny phone keyboard. Apologies for any typos and autocorrect. Also, this old phone only supports top post. Apologies. Cy Schubert or The need of the many

Re: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Warner Losh
The register article says the specifics are under embargo still. That would make it hard for anybody working with Intel to comment publicly on the flaw and any mitigations that may be underway. It would be unwise to assume that all the details are out until the embargo lifts. Warner On Jan 2,

Re: Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Zaphod Beeblebrox
>From the information that was leaked by AMD claiming that their processors didn't have the flaws, it would seem any OS in which the kernel occupies the same address space as the userland would be vulnerable. The AMD post implied that Intel's speculative execution of code did not check the

Intel CPU design flaw - FreeBSD affected?

2018-01-02 Thread Michael Butler
Has any impact assessment been made as to FreeBSD's exposure or mitigation strategies? 'Kernel memory leaking' Intel processor design flaw forces Linux, Windows redesign - The Register Other OSes will need an update, performance hits loom A fundamental design flaw in Intel's processor chips has

Re: rpi2 head -r327485 (e.g.): rpi2 leaves one "CPU n" always idle for some boots

2018-01-02 Thread Mark Millard
On 2018-Jan-2, at 11:48 AM, Mark Millard wrote: > I've seen this over many versions of head for months > but have never managed to find a way to force it to > happen. It just shows up once and a while. > > Thus, I'm just dumping out some top and kernel information > here for reference. I've

rpi2 head -r327485 (e.g.): rpi2 leaves one "CPU n" always idle for some boots

2018-01-02 Thread Mark Millard
I've seen this over many versions of head for months but have never managed to find a way to force it to happen. It just shows up once and a while. Thus, I'm just dumping out some top and kernel information here for reference. I've used: openssl speed 1>/dev/null 2>&1 & openssl speed 1>/dev/null

Re: panic: invalid bcd 194

2018-01-02 Thread Matthias Apitz
On Tuesday, 2 January 2018 16:26:31 CET, Kurt Jaeger wrote: Hi! I've added one more printf to see what is coming as year from BCD. The code is attached below and bcd.year comes out as 24 (decimal) which is 0x18. I.e. it seems that the year from 2018 is stored in hex as 0x18,

Re: panic: invalid bcd 194

2018-01-02 Thread Kurt Jaeger
Hi! > I've added one more printf to see what is coming as year from BCD. The code > is attached below and bcd.year comes out as 24 (decimal) which is 0x18. I.e. > it > seems that the year from 2018 is stored in hex as 0x18, or? It's actually BCD code:

Re: panic: invalid bcd 194

2018-01-02 Thread Matthias Apitz
El día martes, enero 02, 2018 a las 02:00:20p. m. +0100, Matthias Apitz escribió: > # cp /usr/obj/usr/src/sys/GENERIC/kernel /boot/kernel/kernel > > The kernel boots fine as: > > FreeBSD c720-r314251 12.0-CURRENT FreeBSD 12.0-CURRENT #2 r314251M: Tue Jan > 2 12:53:31 CET 2018

Re: Problem with C11 _Atomic

2018-01-02 Thread Konstantin Belousov
On Tue, Jan 02, 2018 at 03:17:14PM +0100, Pierre DAVID wrote: > On Mon, Jan 01, 2018 at 11:09:07PM +0200, Konstantin Belousov wrote: > >clang issues a calls to libatomic, which we do not provide. > >As a workaround, use the following command to compile. The resulting > >binary works on all

Re: more fallout from removal of lint

2018-01-02 Thread Shawn Webb
On Mon, Jan 01, 2018 at 05:14:00PM -0800, Don Lewis wrote: > Since lint was removed from 12.0-CURRENT, it is not possible to build > 11.1-STABLE on a 12.0-CURRENT host, but I was able to work around that > by copying /usr/bin/true to /usr/bin/lint. Unfortunately, that trick > doesn't work when

Re: Problem with C11 _Atomic

2018-01-02 Thread Pierre DAVID
On Mon, Jan 01, 2018 at 11:09:07PM +0200, Konstantin Belousov wrote: On Mon, Jan 01, 2018 at 09:47:40PM +0100, Pierre DAVID wrote: Hi, I'm on a recent current: FreeBSD biceps.ma.maison 12.0-CURRENT FreeBSD 12.0-CURRENT #2 r327239: Wed Dec 27 18:25:46 CET 2017

Re: panic: invalid bcd 194

2018-01-02 Thread Matthias Apitz
El día lunes, enero 01, 2018 a las 05:02:42p. m. -0700, Ian Lepore escribió: > Okay, I've created a pair of patches for this.  The first adds some > common support routines usable by all RTC drivers with BCD hardware. >  The second one converts the atrtc driver to use those routines.  The >

Re: panic: invalid bcd 194

2018-01-02 Thread Rodney W. Grimes
> On Mon, 2018-01-01 at 09:54 +0100, Matthias Apitz wrote: > > El d?a domingo, diciembre 31, 2017 a las 10:19:50a. m. -0700, Ian Lepore > > escribi?: > > > > > > > > > > > > > I will let the C720 over night under power while sitting in the boot > > > > menu, > > > > maybe this will fix the