[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests & change I/O scheduler ...

Hi there, Is there an update with this bug? I am hitting it, or something very similar with 16.04 on EC2 with Xen EBS volumes. root@ip-10-124-125-119:~# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=16.04 DISTRIB_CODENAME=xenial DISTRIB_DESCRIPTION="Ubuntu 16.04.1 LTS" root@ip-10-124-1

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests & change I/O scheduler ...

admin@test:~$ uname -a Linux test 4.1.0-040100rc6-lowlatency #201506010235 SMP PREEMPT Mon Jun 1 02:39:09 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux root@test:/home/admin# echo 129 > /sys/block/vda/queue/nr_requests bash: echo: write error: Invalid argument root@test:/home/admin# cat /sys/block/vda/

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests & change I/O scheduler ...

The v4.1-rc6 upstream kernel is now available. Can you test that kernel and see if this bug still exists? It can be downloaded from: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.1-rc6-unstable/ -- You received this bug notification because you are a member of Kernel Packages, which is sub

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests...

uname -a Linux test 4.0.0-04rc5-generic #201503230035 SMP Mon Mar 23 04:36:26 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux cat /sys/block/vda/queue/scheduler none ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests...

echo 129 > /sys/block/vda/queue/nr_requests bash: echo: write error: Invalid argument ** Summary changed: - Unable to increase nr_requests... + Unable to increase nr_requests & Change The I/O Scheduler ... ** Summary changed: - Unable to increase nr_requests & Change The I/O Scheduler ... + Una

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests...

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix th

[Kernel-packages] [Bug 1436319] Re: Unable to increase nr_requests...

apport information ** Tags added: apport-collected ec2-images trusty ** Description changed: Anyone know why ubuntu utopic/trusty doesn’t allow to change nr_requests and I/O scheduler for instance that is running on the cloud running openstack havana? echo 129 > /sys/block/vda/queue/n