Re: [Kernel-packages] [Bug 1883676] Re: ZFS performance drops suddenly

2020-07-14 Thread Andrey Gelman
observed on more than one machine, both small and large (the large was on AWS). Thanks, Andrey Gelman On Mon, Jul 13, 2020 at 5:45 PM Colin Ian King <1883...@bugs.launchpad.net> wrote: > It would be interesting in knowing the following data: > > 1. How much memory does the machine h

[Kernel-packages] [Bug 1883676] [NEW] ZFS performance drops suddenly

2020-06-16 Thread Andrey Gelman
Public bug reported: Run Phoronix Flexible IO / Random write benchmark. After running the benchmark repeatedly multiple times (occasionally it can be 30 minutes or 8 hours), the performance drops suddenly. The only way (I know of) to get back to high performance is reboot. --- $ for i in $

Re: [Kernel-packages] [Bug 1742418] Re: Stuck attempting to acess "/proc/sys/kernel/nmi_watchdog" file

2018-01-10 Thread Andrey Gelman
Hi ! Indeed this fixes the issue: -- # cat /proc/sys/kernel/nmi_watchdog 0 -- Thank you ! Andrey Gelman On Wed, Jan 10, 2018 at 11:15 PM, Joseph Salisbury < joseph.salisb...@canonical.com> wrote: > This may be a duplicate of bug 1741934, which was fixed by the 4.4.0-109 > ker

[Kernel-packages] [Bug 1742418] [NEW] Stuck attempting to acess "/proc/sys/kernel/nmi_watchdog" file

2018-01-10 Thread Andrey Gelman
Public bug reported: I has always been able to both read and write "/proc/sys/kernel/nmi_watchdog" file. After the recent kernel update (4.4.0-108-generic, updated on 10-Jan-2018) the computer merely gets stuck on these commands. Ctrl-C cannot interrupt. ProblemType: Bug DistroRelease: Ubuntu 1

[Kernel-packages] [Bug 1539729] Re: amd_freq_sensitivity cannot be loaded

2016-03-09 Thread Andrey Gelman
Have tested the issue with the upcoming Xenial release (kernel 4.4) - no changes. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1539729 Title: amd_freq_sensitivity cannot be loaded Sta

[Kernel-packages] [Bug 1539729] [NEW] amd_freq_sensitivity cannot be loaded

2016-01-29 Thread Andrey Gelman
Public bug reported: Hardware: AMD Phenom(tm) II X6 1100T amd_freq_sensitivity.ko driver cannot be loaded nor automatically upon boot, neither manually: $ modprobe amd_freq_sensitivity modprobe: ERROR: could not insert 'amd_freq_sensitivity': No such device $ sudo modprobe -f amd_freq_sensitivi