Category Archives: Hacks

Kernel – 4.9-rc2 Breaks VMware and NVIDIA – Patch for NVIDIA..

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Updated the test system to Kernel 4.9-rc2, and both VMware (12.5.0) and NVIDIA (370.28 and 375.10) failed to compile.. Fedora 25 (Workstation Edition) Kernel 4.9.0-rc2 on an x86_64 (ttyS0) ………….. # uname -a Linux rgtest 4.9.0-rc2 #1 SMP Sun Oct 23 20:33:10 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux NVIDIA compile fail: ………….. /home/rgadsdon/kernel/NVIDIA-Linux-x86_64-370.28/kernel/nvidia/os-mlock.c:120:55: error: passing argument 5 … Continue reading →

ARM64 – Odroid C2 – Hack to Fix Ethernet Hangs..

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I had been constantly frustrated by the Odroid C2 meson8b-dwmac Ethernet ‘hang’ problem, which has persisted over (at least..) eight different ‘patched kernel’ versions that I have tested..    The network link hung/stopped after a short time at full (1000Mbps) speed, and also – sometimes after a bit longer – at reduced (100Mbps) speed.. The driver does show … Continue reading →

ARM64 – Odroid C2 – New MMC Driver, Ethernet / USB Still Broken..

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After some of the code for the C2 has been removed from various git repositories, there is a new 4.9-rc1-based tree at https://git.kernel.org/cgit/linux/kernel/git/khilman/linux-amlogic.git/?h=v4.10/integ , which now includes the ‘new’ rewritten MMC driver. To select this, choose ‘Amlogic S905/GX* SD/MMC Host Controller support (MMC_MESON_GX)‘ in the kernel config.. …… Fedora 24 (Workstation Edition) Kernel 4.9.0-rc1-c2 on an aarch64 … Continue reading →

X86_64 – UP Board – Updated to 4.8, With Sound..

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Updated the Intel ‘Cherry Trail’ UP Board to Kernel 4.8.2: Fedora 25 (Workstation Edition) Kernel 4.8.2-up on an x86_64 (ttyS0) …… [root@rgup ~]# uname -a Linux rgup 4.8.2-up #1 SMP Sat Oct 15 13:16:45 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux ……… [root@rgup ~]# ll /dev/snd total 0 drwxr-xr-x 2 root root 60 Oct 15 13:23 by-path crw-rw—- … Continue reading →

ARM64 – Odroid C2 – Boots with Patched 4.8-rc4 – Ethernet Issues..

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Decided to try the Odroid C2 with the latest Kernel, and recently-released patches for MMC support.. Used the (patched) version of 4.8-rc4 from here:  https://github.com/ioft/linux/tree/c2    Thanks to umiddelb for producing this, which incorporates the (e)MMC support patches, and also includes patches providing the latest version of the dwmac_meson8b Ethernet driver, and associated mods to the device tree … Continue reading →

X86_64 – UP Board – ‘Cherry Trail’ – Sound – Working..

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The only missing OS component on the new UP Board (x5-Z8350) was that sound (HDMI) was not present..    After a bit of digging, I found some patches for Kernel 4.5, and a later patched kernel version that was supposed to work.. I tried the patched version of 4.7.0 from here:  https://github.com/plbossart/sound/tree/byt-cht-hdmi-v4.7  but found that the compile failed: … Continue reading →

KERNEL – 4.8-rc1 Out – Breaks VMware and NVIDIA – and Fixes..

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Kernel 4.8-rc1 is out, and brief details are here:   http://lkml.iu.edu/hypermail/linux/kernel/1608.0/04804.html VMware 12.1.1 – with the previous 4.6/4.7 patches, fails to compile vmmon: /tmp/modconfig-gfkQLR/vmmon-only/linux/hostif.c: In function ‘HostIF_EstimateLockedPageLimit’: /tmp/modconfig-gfkQLR/vmmon-only/linux/hostif.c:1597:47: error: ‘NR_ANON_PAGES’ undeclared (first use in this function) Further research revealed that NR_ANON_PAGES has been changed to NR_ANON_MAPPED in 4.8, and so the fix is quite simple.. In ~/vmmon-only/linux/hostif.c, around … Continue reading →

ARM64 – Hikey to Kernel 4.7 – and Polkitd Fix..

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Managed to update the Hikey ARM64 SoC to the latest kernel – 4.7 Final. Fedora 24 (Twenty Four) Kernel 4.7.0 on an aarch64 (ttyAMA0) ………………………. # uname -a Linux rghikey 4.7.0 #1 SMP PREEMPT Sun Jul 24 19:53:54 EDT 2016 aarch64 aarch64 aarch64 GNU/Linux On boot, and when the network initialised, polkitd segfaulted again, the same as … Continue reading →

KERNEL – 4.7 Released – OK with Patched VMware and NVIDIA..

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Kernel 4.7 has been released – slightly later than usual – and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/1607.3/00150.html $ uname -a Linux rglinux-i7 4.7.0 #1 SMP Sun Jul 24 14:34:37 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux Neither VMware nor NVIDIA have drivers that work with this kernel version, but the 4.7-rc patched versions of VMware 12.1.1 and NVIDIA … Continue reading →

NVIDIA – Latest Driver – Still Fails with Kernel 4.7..

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Kernel 4.7-rc7 is out, and 4.7 Final should be next, but the latest NVIDIA driver released – 367.35 – still fails to compile with 4.7-rc7..     The patch for 367.xx still works OK…  Details here:  http://rglinuxtech.com/?p=1750 In case you need to create an executable (NVxx.xxx.run) incorporating the patch, details on how to do this are in an older … Continue reading →