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

VMware – Patch, If You Need Better ‘Meltdown/Spectre’ Protection..

Thanks – again – to Michal Kubeček, who  has pointed out that there is still a vulnerability in some VMware (vmmon) code, that is not mitigated by Kernel/Compiler retpoline fixes, as it is written in assembler..   ( See comment on … Continue reading

Kernel – 4.17-rc3 Released – Still OK with Latest NVIDIA and VMware..

Kernel 4.17-rc3 is out, and brief details of changes from -rc2 are here:  http://lkml.iu.edu/hypermail/linux/kernel/1804.3/05507.html Tested with NVIDIA 396.18 and VMware 14.1.1 (vmmon and vmnet), and all still compile OK.. Robert Gadsdon.   April 29, 2018. … Continue reading

Kernel – 4.17-rc1 Out – OK with Latest NVIDIA and VMware..

Kernel 4.17-rc1 has been released, and brief details are here:  http://lkml.iu.edu/hypermail/linux/kernel/1804.1/06654.html With the latest code-on-git milestone reached, there is speculation that a version bump to 5.x might be a possibility – but not just yet! The latest NVIDIA driver (396.18) … Continue reading

Kernel – Interim Changes for 4.17 – OK So Far..

Testing the changes submitted to date for Kernel 4.17-rc1, which is – of course – not due out just yet..   Kernel version obtained from https://github.com/torvalds/linux today – April 8. Latest VMware – 14.1.1 – vmnet/vmmon compile OK, and so does … Continue reading

Kernel – 4.16-rc3 Released, and Still no NVIDIA Fix?

Kernel 4.16-rc3 is out, and brief details of post-rc2 changes are here:  http://lkml.iu.edu/hypermail/linux/kernel/1802.3/00500.html I still cannot find any solution proposed for the ‘Unknown symbol swiotlb_map_sg_attrs‘ error with the latest NVIDIA drivers, despite posting brief details on the Developers Forum over … 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

IA64 – The Gentoo saga.. Kernel 4.15-rc9

After a lot of patience(!) I now have a much-hacked version of Gentoo running on the HP RX2600, and have just updated the kernel to 4.15-rc9: ……………… [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical … Continue reading

VMware – 14.1.1 released – OK with Kernel 4.15..

As expected, there is a new release of VMware – 14.1.1 – and brief details are here:  https://docs.vmware.com/en/VMware-Workstation-Pro/14/rn/workstation-1411-release-notes.html This version compiles and loads OK with the latest 4.15-rc kernel – tested with 4.15-rc7, and no longer needs the vmmon series … Continue reading

NVIDIA – Two New Drivers, OK with 4.14.12-rc1 and 4.15-rc6..

Thanks to zezaocapoeia, for spotting the newly released NVIDIA Beta driver 390.12 ( see http://www.nvidia.com/download/driverResults.aspx/128743/en-us )    There is also a new version of the ‘long lived branch’ series – 384.111. I have tested these with Kernel 4.14.12-rc1 and 4.15-rc6, and … Continue reading