Re: Crowdfunding a small but important powerpc bugfix

2023-10-11 Thread Luke Kenneth Casson Leighton
On Wednesday, October 11, 2023, Stan Johnson wrote: > Hello, > > Please post a link that indicates whether the GHC Haskell Compiler > license is compatible with the GPL. I haven't been able to find anything > online regarding compatibility. I would be interested in any license > issues before

Re: Xorg segfaults on iMac G3 with Rage 128 Pro

2023-05-08 Thread Luke Kenneth Casson Leighton
On Monday, May 8, 2023, Ben Westover wrote: > Is this something I can fix, or does modern Xorg just need more VRAM? try 640x480 and/or 16bpp. l. -- --- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68

Re: Xorg segfaults on iMac G3 with Rage 128 Pro

2023-04-18 Thread Luke Kenneth Casson Leighton
On Tuesday, April 18, 2023, Ben Westover wrote: > Hello, > > On 4/16/23 10:18 PM, Paul Wise wrote: >> >> There is also the case where you launch Xorg via gdb and then run it. >> >> $ gdb `which Xorg` >> (gdb) run >> (gdb) bt full > > Perfect! I was able to get a full backtrace, which

Draft SVP64 and SFFS OpenPOWER Foundation ISA Working Group RFCs

2023-04-10 Thread Luke Kenneth Casson Leighton
(please distribute widely to all FOSSHW Power-related mailing lists, but reply to libre-soc-isa - many many thanks for patience and understanding) the Libre-SOC Project's NLnet-funded work of the past three years has reached the point where it's time to submit RFCs to the OpenPOWER Foundation

Re: Is a Raptor Blackbird (or other Power machine) a good general-purpose desktop?

2023-03-23 Thread Luke Kenneth Casson Leighton
On Thursday, March 23, 2023, Linux User #330250 wrote: > I also see BE disappearing from lots and lots of software. My assumption > is that it simply isn't viable anymore, as most users and developers > have moved on. except in Japan, India, China, and anywhere else in the world where the main

Re: Is a Raptor Blackbird (or other Power machine) a good general-purpose desktop?

2023-03-22 Thread Luke Kenneth Casson Leighton
On Wednesday, March 22, 2023, Linux User #330250 wrote: > On the other hand, I don't really see performant and cheap (for desktop > systems) systems on the market that aren't mainstream x86 (Intel and > AMD). Letting those now older alternatives go (that were mostly servers > to begin with) is

Re: Is a Raptor Blackbird (or other Power machine) a good general-purpose desktop?

2023-03-21 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Tue, Mar 21, 2023 at 9:32 PM Linux User #330250 wrote: > I was looking at those projects in the past, but there are two problems: > 1. They are way too expensive in terms of a performance to price ratio. > 2. They

Re: Tracking a bug on POWER10

2023-03-09 Thread Luke Kenneth Casson Leighton
On Friday, March 10, 2023, Paul Wise wrote: > On Thu, 2023-03-09 at 11:05 +0100, Mathieu Malaterre wrote: > >> I vaguely remember someone mentioning a service where one could ssh >> onto ppc64el machines. I need access to a POWER10 machine to track a >> bug. platti.d.o is POWER8 AFAIK. > > This

Tracking a bug on POWER10

2023-03-09 Thread Luke Kenneth Casson Leighton
On Thursday, March 9, 2023, Mathieu Malaterre wrote: > Hi there, > > I vaguely remember someone mentioning a service where one could ssh > onto ppc64el machines. university of oregon's "hub" via the OpenPOWER Foundation. if that's of interest i can introduce you to erik and sameer, you will need

Re: libre firmware and Raptor Computing devices?

2022-08-24 Thread Luke Kenneth Casson Leighton
On Wed, Aug 24, 2022 at 12:10 PM Paul Wise wrote: > > Project Ortega is the libre firmware for the BCM5719. Update through fwupd > > Personally I very much dislike fwupd/LVFS as a place to distribute > firmware from, since it is designed for proprietary vendor firmware. and critically relies on

Re: libre firmware and Raptor Computing devices?

2022-08-23 Thread Luke Kenneth Casson Leighton
On Wednesday, August 24, 2022, Paul Wise wrote: > Hi all, > > On the open firmware Debian wiki page, I note that Raptor Computing > ppc64el devices have libre Ethernet firmware but that this firmware is > not yet available in Debian. I read elsewhere that Raptor devices also > have a libre boot

Re: Altivec in baseline for ppc64?

2021-07-18 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Sun, Jul 18, 2021 at 4:17 AM Jeffrey Walton wrote: > I never really took notice that IBM captured the projects. But with > your lens it sounds about right. > > ("Captured", as in regulatory capture as seen in the US.

Re: Altivec in baseline for ppc64?

2021-07-17 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Fri, Jul 16, 2021 at 12:09 PM John Paul Adrian Glaubitz wrote: > > On 7/16/21 12:59 PM, Jeffrey Walton wrote: > > Does it have to be one or the other? Can't you have both? > > Well, you could have runtime detection

Re: Altivec in baseline for ppc64?

2021-07-16 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Fri, Jul 16, 2021 at 2:55 PM Lennart Sorensen wrote: > Some years ago I tried to get such runtime detection added for vlc. > Upstream was certainly far from helpful and just about hostile to the > idea of adding

Re: Altivec in baseline for ppc64?

2021-07-15 Thread Luke Kenneth Casson Leighton
On 7/13/21, John Paul Adrian Glaubitz wrote: > I wasn't really a fan of that change but my stance is that we should use > AltiVec > in packages where it makes sense as the majority of the ppc64 port users > will > have a machine that suppport AltiVec. please *do not* do this. we are designing

Fwd: Call for Proposals: DebConf21, Online

2021-05-23 Thread Luke Kenneth Casson Leighton
hi folks quick question, would it be of interest to hear of the plans in Libre-SOC to do an auto-generated (compiled) emulator of VSX instructions, for use in the linux kernel? if you are familiar with paul mackerras's work lib/powerpc/sstep.c which emulates Load-Quad and others from an illegal

Re: VLC on G5 crash : illegal instruction

2021-03-14 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Sun, Mar 14, 2021 at 7:34 PM Jeffrey Walton wrote: > You probably need to go to frame 1 ('f 1' under gdb) and disassemble > ('disass .' or 'disass' followed by a bunch of pages). That will show > the offending

Re: VLC on G5 crash : illegal instruction

2021-03-08 Thread Luke Kenneth Casson Leighton
On Mon, Mar 8, 2021 at 8:50 AM John Paul Adrian Glaubitz wrote: > > On 3/8/21 9:38 AM, Jeffrey Walton wrote: > >> a cursory scan shows no evidence of the use of VSX there. > > > > If needed... I believe it is possible to disable PCRE2's JIT at configure > > time. > > We certainly shouldn't

Re: VLC on G5 crash : illegal instruction

2021-03-07 Thread Luke Kenneth Casson Leighton
On Sunday, March 7, 2021, Riccardo Mottola wrote:. > > > the issue is most probably in libpcre2 or Qt5Core > > #0 0x7fffe9c5fa30 in ?? () > #1 0x702c406c in ?? () from /usr/lib/powerpc64-linux-gnu/l > ibpcre2-16.so.0

Re: enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-03-06 Thread Luke Kenneth Casson Leighton
On Saturday, March 6, 2021, Riccardo Mottola wrote: > Hi Luke, > > > Luke Kenneth Casson Leighton wrote: >> >> just to confirm: that's definitely "setting machine to capabilities that the machine doesn't have, then requesting that feature and gcc 10 says 'ok'"

Re: enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-03-03 Thread Luke Kenneth Casson Leighton
On Tuesday, March 2, 2021, Luke Kenneth Casson Leighton wrote: > > > On Tuesday, March 2, 2021, Riccardo Mottola wrote: > >> actually the original point is even for PPC32, note just PPC64. The >> configure check added by Adrian in Firefox checks if the compiler >&

Re: enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-03-02 Thread Luke Kenneth Casson Leighton
On Tuesday, March 2, 2021, Riccardo Mottola wrote: > actually the original point is even for PPC32, note just PPC64. The > configure check added by Adrian in Firefox checks if the compiler > accepts -maltivec and just enables it in the build. > However, this assumption is not correct and causes

SIMD not present in Libre/Open hardware OpenPOWER implementations [was Re: enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)]

2021-03-02 Thread Luke Kenneth Casson Leighton
changing subject, for reference / background: * Paul Mackerras is working on an experimental branch to add VSX https://github.com/paulusmack/microwatt/blob/vecvsx/decode1.vhdl he was experimenting to see what was needed to get Fedora booting. the internal design is a Finite State Machine.

enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-03-01 Thread Luke Kenneth Casson Leighton
On Monday, March 1, 2021, Gabriel Paubert wrote: > On Mon, Mar 01, 2021 at 12:22:22PM +0000, Luke Kenneth Casson Leighton wrote: >> --- >> crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 >> >> On Mon, Mar 1, 2021 at 8:39 AM Gabriel Paubert wro

Re: enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-03-01 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Mon, Mar 1, 2021 at 8:39 AM Gabriel Paubert wrote: > Beware that VSX is not Altivec. Altivec was called VMX by IBM and > VSX is a superset of Altivec (IIRC). > > G4 and G5 do not have VSX. apologies i tend to lump

enabling/disabling AltiVec in Firefox and derived browsers (ArcticFox)

2021-02-28 Thread Luke Kenneth Casson Leighton
On Monday, March 1, 2021, Riccardo Mottola wrote: > A quick solution would to have this configure as a convenience, but have a way to pass an --enable-altivec and -disable-altivec (or with/without?) parameter to configure. EABI v2.0 rather unfortunately, despite it being optional in the

Re: Arch qualification for buster: call for DSA, Security, toolchain concerns

2018-06-29 Thread Luke Kenneth Casson Leighton
On Fri, Jun 29, 2018 at 12:50 PM, Julien Cristau wrote: > Everyone, please avoid followups to debian-po...@lists.debian.org. > Unless something is relevant to *all* architectures (hint: discussion of > riscv or arm issues don't qualify), keep replies to the appropriate > port-specific mailing

Re: Arch qualification for buster: call for DSA, Security, toolchain concernsj

2018-06-29 Thread Luke Kenneth Casson Leighton
On Fri, Jun 29, 2018 at 12:06 PM, John Paul Adrian Glaubitz wrote: > On 06/29/2018 10:41 AM, Luke Kenneth Casson Leighton wrote: >> On Fri, Jun 29, 2018 at 8:16 AM, Uwe Kleine-König >> wrote: >> >>>> In short, the hardware (development boards) we're currently us

Re: Arch qualification for buster: call for DSA, Security, toolchain concerns

2018-06-29 Thread Luke Kenneth Casson Leighton
On Fri, Jun 29, 2018 at 12:23 PM, Adam D. Barratt wrote: >> i don't know: i'm an outsider who doesn't have the information in >> short-term memory, which is why i cc'd the debian-riscv team as they >> have current facts and knowledge foremost in their minds. which is >> why i included them. >

Re: Arch qualification for buster: call for DSA, Security, toolchain concerns

2018-06-29 Thread Luke Kenneth Casson Leighton
--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 On Fri, Jun 29, 2018 at 10:35 AM, Adam D. Barratt wrote: >> what is the reason why that package is not moving forward? > > I assume you're referring to the dpkg upload that's in proposed-updates > waiting for the

Re: Arch qualification for buster: call for DSA, Security, toolchain concerns

2018-06-29 Thread Luke Kenneth Casson Leighton
On Wed, Jun 27, 2018 at 9:03 PM, Niels Thykier wrote: > armel/armhf: > > > * Undesirable to keep the hardware running beyond 2020. armhf VM >support uncertain. (DSA) >- Source: [DSA Sprint report] [other affected 32-bit architectures removed but still relevant] ... i'm

Re: Arch qualification for buster: call for DSA, Security, toolchain concernsj

2018-06-29 Thread Luke Kenneth Casson Leighton
On Fri, Jun 29, 2018 at 8:16 AM, Uwe Kleine-König wrote: > Hello, > > On Wed, Jun 27, 2018 at 08:03:00PM +, Niels Thykier wrote: >> armel/armhf: >> >> >> * Undesirable to keep the hardware running beyond 2020. armhf VM >>support uncertain. (DSA) >>- Source: [DSA

Re: Bug#399608: fixed in sysvinit 2.88dsf-59.1

2015-05-18 Thread Luke Kenneth Casson Leighton
On Sun, May 17, 2015 at 3:48 PM, Andreas Henriksson andr...@fatal.se wrote: Hello Adrian! Thanks for raising awareness about this issue. If there's anything I can do to help please tell me. That the new util-linux version hasn't been built yet sounds like it can't be avoided as it was just

Re: Experiences on using zram with ARM?

2011-07-18 Thread Luke Kenneth Casson Leighton
zram... there actually exists something called Z-Ram, it was bought by one of the major companies: it's actually 3D (stacked) ram and thus you get a significantly higher memory density. thus, the use of the name zram caused some confusion, that you had access to this quite rare type of RAM memory