Arm-dev

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686 discussions

Re: [Arm-dev] Raspberry Pi3 kernel (Was: Wrong permissions on /etc/sysconfig/network-scripts)
by (GalaxyMaster) 24 May '16

24 May '16

Fabian, On Sat, May 21, 2016 at 10:05 PM, Fabian Arrotin <arrfab(a)centos.org> wrote: > On 21/05/16 09:57, (GalaxyMaster) wrote: > I guess we can rebuild the kernel by changing the initial patch then. Yes, this is exactly what I did to confirm that SELinux is indeed usable. > I also had a quick look at the rpi kernel source tree and it seems they > rebased to 4.4.x so wondering if that's not a good time to also bump to > that release. Yes, they made the rpi-4.4.y branch to be their main branch. I also compared the difference between rpi and kernel.org branches and the effort required to backport this to the current CentOS7 upstream kernel. Although it is not huge (around 10MB of patches) it would require a week of my time to do so and I don't have a week right now. So I guess I'm fine with using rpi-* as upstream for now. Additionally, I looked at the spec file for the kernel we are building and it's a bit dirty (e.g. it does some post-install tweaking and creates files which are not tracked by the package management). I am going to create a kernel package with the latest kernel from rpi-4.4.y with a cleaner spec file. Will share a link to my GitHub repository once it's done. > To answer your question about el7 default : it doesn't support armhfp by > default (as there is no upstream EL7 kernel for this) , and even el7 > aarch64 deviates from the 3.10.0 kernel. I am fully aware of how RedHat maintains their stable kernel trees and of their backport strategy. What I meant was that if we want to be as close as possible to CentOS7 we should have taken the upstream package from EL7 and applied the armhfp support on top of it. Anyway, as I mentioned above, it's a full week work and I don't have enough time to do it right now. > That's also the reason why we call the armhfp release "CentOS 7 > userland", because kernel differs from the CentOS 7 x86_64 (see > https://wiki.centos.org/SpecialInterestGroup/AltArch/Arm32#head-447eb2193fd…) Thanks for the link (once we rebuild Pi3 kernel with the adjusted value we could update SELinux status on that page). -- (GM)

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[question] CentOS 7 Installer ISO generating
by Lomovtsev, Vadim 24 May '16

24 May '16

Hi all, With the original ISO and updated kernel using VA length set to 48 bits we got an issue wit polkitd crash because of mozjs can't work with 48 bits VA. There is an open bug https://bugzilla.mozilla.org/show_bug.cgi?id=1143022 but there are not much updates. So I applied patch for mozjs, recreate rpm and tested it - works well, no crashes observed. For my setup I need to have it installed automatically at system deployment phase using installer ISO. Now every time I need to update mozjs rpm manually along with kernel rpm. I've tried to repack existing ISO with my rpms (updating packages repository) but in this case anaconda fails to proceed installation due to rpms signing checks of something like that. It looks like I need to recreate whole ISO from scratch, or properly update repodata for packages (simple createrepo is not enough) isn't it? I believe that I need to use CentOS deployed at armv8 system and use lorax to create an ISO , is that right or it could be built in cross-compiler environment? We also will need to add some extra packages for KVM support and this could help us also. WBR, Vadim

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WiFi firmware
by (GalaxyMaster) 24 May '16

24 May '16

All, Is there a reason why the firmware binary for the WiFi driver is not included into the kernel-firmware package? The reason I'm asking is that initially I thought there is a licensing issue, but I've checked the license and there are no issues there. Also the same license covers the following binary we are installing: === [root@centos-rpi3 ~]# ls -l /lib/firmware/brcm/brcmfmac43455-sdio.bin -rw-r--r--. 1 root root 488193 Nov 20 2015 /lib/firmware/brcm/brcmfmac43455-sdio.bin [root@centos-rpi3 ~]# rpm -qf /lib/firmware/brcm/brcmfmac43455-sdio.bin linux-firmware-20150904-43.git6ebf5d5.el7.noarch [root@centos-rpi3 ~]# === I'll try to update the linux-firmware repository [http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/tre…] with the firmware for our chip, however, I guess it would be quite a long process, so I suggest to temporarily build a sub-package (say, linux-firmware-brcmfmac43430) out of our kernel SRPM, so users would get WiFi out of the box. What do you think? -- (GM)

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Gnome or KDE on Centos
by Seth Stevenson 24 May '16

24 May '16

I know some were looking into installing a gui for the raspberry pi. I havn't found any instructions on how to do it. Is it possible, and has anyone done it? Thanks for your help. -- Seth Stevenson

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Re: [Arm-dev] aarch64 internal compiler error
by Mark Verlinde 24 May '16

24 May '16

Glad to report; the thing that concerns me: There is no problem building a vanilla samba with (centos 7) gcc 4.85 on armv7lh nor x86_64. It fails on aarch64. I don't use the fedora sprm, that's just a simple way to reproduce. Anyway, i am sorted out.; it could very well be a personal quirck of my setup. Thanx for bringing centos to aarch64! > > Thanks for the heads-up on this. The fedora folks will sometimes have > toolchain expectations built or patched into their src.rpms so this > isn't entirely unusual, however it's quite possible that the samba folks > have expectations and it would require patching to use an older gcc. > > On 05/19/2016 04:55 PM, Mark Verlinde wrote: > > hello, > > > > To spin up a nspawn container with a vanilla samba as an ad-dc controller I had a go on compiling samba latest stable. Building a vanilla samba 4.4.3 for aarch64 does not succeed due to an internal compiler error. > > > > I know I ‘am swimming on my own here, still severe enough to share it on this list. > > Especially as it builds just fine on X86_64 and armv7hfp – and- > > succeeded to build it against Centos 7 with ggc 5.1.1 form fedora repository’s. > > > > Building on an Odriod C2 running on a “debian” 3.14.67 kernel > > > > (part of) Build log using standard gcc 4.8.5: > > ../source3/smbd/notify.c: In function 'change_notify_create': > > ../source3/smbd/notify.c:297:1: internal compiler error: in fixup_reorder_chain, at cfgrtl.c:3336 > > > > Simplest way to reproduce is building samba 4.3.0-0.1.rc4 from fedora sources: > > http://ftp.nluug.nl/ftp/pub/os/Linux/distr/fedora/linux/releases/23/Everyth… > > > > _______________________________________________ > > Arm-dev mailing list > > Arm-dev(a)centos.org > > https://lists.centos.org/mailman/listinfo/arm-dev > > > > -- > Jim Perrin > The CentOS Project | http://www.centos.org > twitter: @BitIntegrity | GPG Key: FA09AD77 > _______________________________________________ > Arm-dev mailing list > Arm-dev(a)centos.org > https://lists.centos.org/mailman/listinfo/arm-dev >

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aarch64 internal compiler error
by Mark Verlinde 23 May '16

23 May '16

hello, To spin up a nspawn container with a vanilla samba as an ad-dc controller I had a go on compiling samba latest stable. Building a vanilla samba 4.4.3 for aarch64 does not succeed due to an internal compiler error. I know I ‘am swimming on my own here, still severe enough to share it on this list. Especially as it builds just fine on X86_64 and armv7hfp – and- succeeded to build it against Centos 7 with ggc 5.1.1 form fedora repository’s. Building on an Odriod C2 running on a “debian” 3.14.67 kernel (part of) Build log using standard gcc 4.8.5: ../source3/smbd/notify.c: In function 'change_notify_create': ../source3/smbd/notify.c:297:1: internal compiler error: in fixup_reorder_chain, at cfgrtl.c:3336 Simplest way to reproduce is building samba 4.3.0-0.1.rc4 from fedora sources: http://ftp.nluug.nl/ftp/pub/os/Linux/distr/fedora/linux/releases/23/Everyth…

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Re: [Arm-dev] Silly question about expanding the root directory, wifi?
by Alan Corey 16 May '16

16 May '16

> WRT the resize of the root partition .. it is very simple to just resize > it when you write it to the sd card with fdisk as soon as you are done > on the machine where it is already mounted. I guess it depends what you're using. I tried expanding one with a live CD Gparted once and it was a disaster. I had started using it though, thinking it had already been resized. I usually don't know the right block size to use with dd so I use Win32DiskImager to write images, and I have no partition table editor for Windows. I suppose it could be unmounted safely enough but you should change the partition table before you start using it? Then again with splitfs that doesn't matter.

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Maybe I missed something... LibXslt-devel?
by Ed Anderson 16 May '16

16 May '16

Ok, I'm trying to build pacemaker and all its toys. The problem is, I need libxslt-devel to get it all compiled. The problem is I can't find libxslt-devel in any of the Userland distros for amrhfp. Any leads? ideas? Thanks! -E -- Digital Mechanic

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Re: [Arm-dev] Silly question about expanding the root directory, wifi?
by Alan Corey 16 May '16

16 May '16

I just wanted to confirm that this is a problem. I have mostly 64 and 128 GB cards but I'll rob a 32 from a camera if it might work. I've tried it about 4 times and it always panics. Last time I was connected by ssh from another box and did a cat of the instructions then copied and pasted to make sure I had it exactly right. Same thing. I'm using CentOS-Userland-7-armv7hl-Minimal-1602-RaspberryPi3.img.xz I tried taking a few pictures of the screen with a camera if it would be useful but it's probably not that hard to reproduce. So I went straight to the mailing list archives. Also it's not recognizing the built-in wifi I think, but I haven't found it in dmesg. It doesn't show in ifconfig. In some other place I read something about the /root/README giving instructions on how to download firmware for it, but it's not in the README I've got. I run a static wired LAN that's not connected to the internet. DHCP over wireless gets to a phone tether and that's the only way to the internet. I've never tried Centos before, used to run Redhat sometimes about 12 years ago. Mostly I use OpenBSD on i386, on my Pi I've also tried Raspbian, FreeBSD, NetBSD. -- Credit is the root of all evil. - AB1JX

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Re: [Arm-dev] Silly question about expanding the root directory, wifi?
by Alan Corey 15 May '16

15 May '16

> For wifi, I confirm that the following image > (http://mirror.centos.org/altarch/7/isos/armhfp/CentOS-Userland-7-armv7hl-Mi…) > has the /root/README file. I got it from http://buildlogs.centos.org/centos/7/isos/armhfp/CentOS-Userland-7-armv7hl-… But the /root/README is about something else. I googled and found the firmware on a Fedora site, same file names. I put the 1603 (instead of 1602) in my download queue and made a note to check there for a new version before downloading. It might be a week or so.

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