Category Archives: Crash and Burn..

ARM – Kernel 3.19 for Odroid U3 – With Fan Control..

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Updated the Odroid U3 to (patched) Kernel 3.19, from https://github.com/tobiasjakobi/linux-odroid/tree/odroid-3.19.y Thanks to work by tobiasjakobi, this now includes the preliminary patches – updated for 3.19 – for fan control on the Odroid U3, originally posted by Lukasz Majewski at http://www.spinics.net/lists/linux-samsung-soc/msg42259.html So, (on a Fedora 21 system) you can now control the fan, as follows: # echo “0” … Continue reading →

ARM – CuBox i4-Pro to Kernel 3.19-rc7..

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Just updated the CuBox i4-Pro to Kernel 3.19-rc7 – using the standard code from kernel.org.. with device-tree boot using zImage and imx6q-cubox-i.dtb Only tested ‘headless’ access, so far.. Fedora release 21 (Twenty One) Kernel 3.19.0-rc7 on an armv7l (ttymxc0) …………………….. [root@rgcubox ~]# uname -a Linux rgcubox 3.19.0-rc7 #1 SMP Sat Feb 7 13:36:57 EST 2015 armv7l armv7l … Continue reading →

VMware – Backward-Compatible 3.19 Fix..

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After the solution to the Kernel 3.19/vmnet problem mentioned in previous posts, I have produced a fix that includes tests for kernel versions, and works with Kernel 3.19 and with earlier kernel versions.. This is probably not the most elegant code, but it works – I have tested it with VMware 11.0 and Kernels 3.19-rc5 and 3.18.3 … Continue reading →

VMware 11 – Fix for vmnet and Kernel 3.19..

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Thanks to Al Viro, and to coderus on the VMware forum, we now have a solution for vmnet and Kernel 3.19, as follows: In vmnet-only/driver.c (lines 269, 1194, and 1195): Replace instances of f_dentry with f_path.dentry In vmnet-only/userif.c (line 526): Replace    return skb_copy_datagram_iovec(skb, 0, &iov, len); with    struct iov_iter to;    iov_iter_init(&to, READ, &iov, 1, … Continue reading →

ARM – Odroid U3 to 3.19-rc5

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Updated the Odroid U3 to the patched version of 3.19-rc5, from here: https://github.com/tobiasjakobi/linux-odroid/tree/odroid-3.19.y Fedora release 21 (Twenty One) Kernel 3.19.0-rc5 on an armv7l (ttySAC1) ……………….. [root@rgodroid ~]# uname -a Linux rgodroid 3.19.0-rc5 #1 SMP PREEMPT Wed Jan 21 17:11:42 EST 2015 armv7l armv7l armv7l GNU/Linux Fairly stable, but got the occasional BUG: # [ 123.955111] BUG: sleeping … Continue reading →

NVIDIA – New Driver 346.35, Still Fails with 3.19-rc..

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Tested the lates NVIDIA driver (346.35) today, and although it fixes the f_dentry error, the compile still fails with Kernel 3.19-rc4, due to the incompatible GPL problem: FATAL: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol ‘__cachemode2pte_tbl’ /usr/src/linux-3.19-rc4/scripts/Makefile.modpost:90: recipe for target ‘__modpost’ failed It has been pointed out that this can be fixed by simply changing the license … Continue reading →

Kernel 3.19-rc4 – OK on CuBox-i4 Pro.. No fixes yet for NVIDIA and VMware on x86..

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Updated the test system to Kernel 3.19-rc4, and the same comments apply as for -rc3..  Still no fixes for NVIDIA and VMware, yet.. I tried the CuBox-i4 Pro with a ‘standard’ kernel from kernel.org, rather than the ‘patched’ version used previously, and it booted OK.. Fedora release 21 (Twenty One) Kernel 3.19.0-rc4 on an armv7l (ttymxc0) …………. … Continue reading →

Kernel 3.19-rc3, ‘Lockup’ Bug, Latest..

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Updated the test system to Kernel 3.19-rc3, and there is still no fix for VMware (11.0) and the latest NVIDIA (340.65 and 346.22) drivers…     The NVIDIA problem will involve getting around a GPL-incompatible module issue.. FATAL: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol ‘__cachemode2pte_tbl’ 3.19-rc3 installs and runs OK on the CuBox-i4 Pro: $ uname -a Linux … Continue reading →

ARM/Intel – CuBox-i4 Pro to 3.19-rc2, VMware and NVIDIA Still Broken..

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Updated the test (Intel) system, and the Cubox-i4 Pro to Kernel 3.19-rc2.. NVIDIA and VMware still do not compile (see 3.19-rc1 article for details http://rglinuxtech.com/?p=1258) and – so far – there does not seem to be a patch for either.   The NVIDIA GPL code incompatibility issue may be more convoluted to fix ‘legally’.. I tried more code … Continue reading →

More Fun with Audacity…

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This article relates to compilation on the latest Fedora (21) but can also apply to other Distros… The Distro-supplied version of Audacity is typically functionality-challenged, and does not allow working with some of the more up-to-date audio formats, due to US Patent law concerns.. The necessary functionality can be achieved by compiling it yourself, and this is … Continue reading →