A recent round of fixes for another Spectre varient that got backported into
linux 1.19 and reverted in 1.20, then revised, and finally a new version written
caused major CPU slowdowns but was not reported to balloon memory use.
The revised code fixed most of the performance issues by limiting the
On Wed, 5 Dec 2018 14:27:15 -0500, Mike Squires wrote:
>I wonder if it might have something to do with the security updates
>for the various problems like Spectre.
You could disable those mitigations, but they unlikely cause that kind
or performance issue.
Read this thread, IOW this request and _
On Wed, 5 Dec 2018 14:27:15 -0500, Mike Squires wrote:
>My guess is that there is something about the low-latency kernel that
>causes my dual Xeon quad core to slow down dramatically.
You are dual booting between two releases of Ubuntu, one is running ok,
the other does cause performance issues?
Hi,
the described performance issues could also happen, if a disc drive is
broken. Sometimes strange things also happen, if the CMOS
battery is getting low.
Usually, but not necessarily running
sudo smartctl -a /dev/sda
^^^
gives a pointer. Replace "sda" with the d
On Wed, 5 Dec 2018, Mike Squires wrote:
First, it seems that I need at least 768MB and very likely 1GB of memory
on the video board to avoid the problems I had with the 256MB
All-In-Wonder Radeon board I used previously. Displays are two HD
displays; I couldn't display some windows, such as "
First, it seems that I need at least 768MB and very likely 1GB of memory
on the video board to avoid the problems I had with the 256MB
All-In-Wonder Radeon board I used previously. Displays are two HD
displays; I couldn't display some windows, such as "Terminal Emulator",
over the right-hand t
