Fedora – F28 Annoyances, and Workarounds..

Running Fedora 28 on the test system, I have encountered the following issues with various applications, and found substitute rpm workarounds..  Usually, these can be installed by downloading them ,and then using # rpm -Uvh……… –force.. Grub-customizer still crashes, but … Continue reading

Kernel – 4.17-rc6 Out – Includes GCC8 Compile Fixes..

Kernel 4.17-rc6 has been released, and details of changes since -rc5 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1805.2/03965.html This version is still OK with the latest VMware (14.1.1) and NVIDIA (396.24) drivers, but also includes fixes for repeated GCC8 / objtool warnings at compile … Continue reading

Kernel – GCC8 / ‘Objtool Warnings’ Patches..

There are now patches available to deal with the host of ‘objtool‘ warnings when compiling the kernel with GCC8: …………………………….. drivers/video/fbdev/core/fbmem.o: warning: objtool: fb_set_var()+0x209: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbmem.o: warning: objtool: do_remove_conflicting_framebuffers()+0xa6: sibling call from … Continue reading

GCC – Update to 8.1.1 – Still Gives Kernel Compile Warnings..

Fedora 28 has GCC 8.1.1 available (currently in ‘updates-testing‘ repo), and I tested this with Kernel 4.17-rc4, to see if there was any improvement in the horde of warnings generated with 8.0.1. In short, there is no real difference: ……………………………… … Continue reading

Fedora – F28 GCC 8 Now OK with Kernel 4.16.7, and fix for Grub-Customizer..

Tried Kernel 4.16.7 on Fedora 28 (GCC 8.0.1), and this now compiles successfully, although still with a lot of ‘warnings’.. I use grub-customizer with each new kernel, and the F28 version of this fails: # grub-customizer Error creating proxy: The … Continue reading

Fedora – 28 Released, but Fails with GCC 8 and Kernel 4.16…

Fedora 28 has been released, but this includes GCC 8 (8.0.1) which – currently – is not capable of compiling Kernel 4.16 as-is (tested with 4.16.6): ……………………………. CC /usr/src/linux-4.16.6/tools/objtool/objtool.o CC /usr/src/linux-4.16.6/tools/objtool/libstring.o CC /usr/src/linux-4.16.6/tools/objtool/str_error_r.o ../lib/str_error_r.c: In function ‘str_error_r’: ../lib/str_error_r.c:25:3: error: passing … Continue reading

Kernel – GCC 8 Tests – Not Quite Ready…

I decided to try updating a crash-and-burn test system to Fedora 28 (early-beta..) as this included GCC 8 (currently 8.0.1), to see how well the Kernel (4.16-rc6) compiled.. There were a lot of warnings generated: …………………… CC [M] drivers/rtc/rtc-pcf8523.o CC … Continue reading

Kernel – GCC and ‘Retpoline’..

The recent summary of Kernel 4.15 mentioned the test for ‘compliant’ versions of GCC which fully support the retpoline mitigation, but only gave an example of non-compliance: With GCC 7.2: ~]$ cat /sys/devices/system/cpu/vulnerabilities/spectre_v2  Vulnerable: Minimal generic ASM retpoline I re-created … Continue reading

VMware – 12.5.8 Released – Still Incompatible..

There has been a new release of Workstation 12.5 – 12.5.8 – and the – rather vague – release notes are here:  https://docs.vmware.com/en/VMware-Workstation-Pro/12.0/rn/workstation-1258-release-notes.html I tested this with a ‘clean’ install on my cash-and-burn system, and basically, it suffers from the … Continue reading

Kernel – 4.13-rc6 Released – Still OK..

Kernel 4.13-rc6 is out, and brief details of changes are here:  http://lkml.iu.edu/hypermail/linux/kernel/1708.2/03592.html As the message mentions, if all goes well, then 4.13 Final should be out in about two weeks time from now.. The release is still OK with the … Continue reading