[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-10-124-125-119:~# uname -a Linux ip-10-124-124-125 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux root@ip-10-124-125-119:~# cat /sys/block/xvdc/queue/nr_requests 32 root@ip-10-124-125-119:~# echo 64 > /sys/block/xvdc/queue/nr_requests -bash: echo: write error: Invalid argument I am not able to even set a queue size of below 128 now. -- 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/1436319 Title: Unable to increase nr_requests & change I/O scheduler ... Status in linux package in Ubuntu: Confirmed Bug description: 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/nr_requests -bash: echo: write error: Invalid argument However values lower then 129 works. Thanks --- AlsaDevices: total 0 crw-rw 1 root audio 116, 1 Mar 24 06:50 seq crw-rw 1 root audio 116, 33 Mar 24 06:50 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 14.04 Ec2AMI: ami-00a3 Ec2AMIManifest: FIXME Ec2AvailabilityZone: nova Ec2InstanceType: ra.intel.ssd.xl4 Ec2Kernel: aki-0002 Ec2Ramdisk: ari-0002 HibernationDevice: RESUME=UUID=7b7c8950-fe4d-4322-9a60-48dadc7d5eba InstallationDate: Installed on 2014-04-16 (343 days ago) InstallationMedia: IwConfig: Error: [Errno 2] No such file or directory Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: OpenStack Foundation OpenStack Nova Package: linux (not installed) PciMultimedia: ProcEnviron: SHELL=/bin/bash TERM=vt100 PATH=(custom, no user) LANG=en_US.UTF-8 XDG_RUNTIME_DIR= ProcFB: 0 cirrusdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-33-generic root=UUID=afee8cc2-d9a0-4f30-8454-94e974e89bf4 ro console=tty1 console=ttyS0 ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.16.0-33-generic N/A linux-backports-modules-3.16.0-33-generic N/A linux-firmware 1.127.11 RfKill: Error: [Errno 2] No such file or directory Tags: trusty ec2-images Uname: Linux 3.16.0-33-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 01/01/2011 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnOpenStackFoundation:pnOpenStackNova:pvr2013.2.2:cvnBochs:ct1:cvr: dmi.product.name: OpenStack Nova dmi.product.version: 2013.2.2 dmi.sys.vendor: OpenStack Foundation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1436319/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[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/queue/scheduler none This is still not fixed. -- 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/1436319 Title: Unable to increase nr_requests change I/O scheduler ... Status in linux package in Ubuntu: Confirmed Bug description: 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/nr_requests -bash: echo: write error: Invalid argument However values lower then 129 works. Thanks --- AlsaDevices: total 0 crw-rw 1 root audio 116, 1 Mar 24 06:50 seq crw-rw 1 root audio 116, 33 Mar 24 06:50 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 14.04 Ec2AMI: ami-00a3 Ec2AMIManifest: FIXME Ec2AvailabilityZone: nova Ec2InstanceType: ra.intel.ssd.xl4 Ec2Kernel: aki-0002 Ec2Ramdisk: ari-0002 HibernationDevice: RESUME=UUID=7b7c8950-fe4d-4322-9a60-48dadc7d5eba InstallationDate: Installed on 2014-04-16 (343 days ago) InstallationMedia: IwConfig: Error: [Errno 2] No such file or directory Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: OpenStack Foundation OpenStack Nova Package: linux (not installed) PciMultimedia: ProcEnviron: SHELL=/bin/bash TERM=vt100 PATH=(custom, no user) LANG=en_US.UTF-8 XDG_RUNTIME_DIR=set ProcFB: 0 cirrusdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-33-generic root=UUID=afee8cc2-d9a0-4f30-8454-94e974e89bf4 ro console=tty1 console=ttyS0 ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.16.0-33-generic N/A linux-backports-modules-3.16.0-33-generic N/A linux-firmware 1.127.11 RfKill: Error: [Errno 2] No such file or directory Tags: trusty ec2-images Uname: Linux 3.16.0-33-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 01/01/2011 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnOpenStackFoundation:pnOpenStackNova:pvr2013.2.2:cvnBochs:ct1:cvr: dmi.product.name: OpenStack Nova dmi.product.version: 2013.2.2 dmi.sys.vendor: OpenStack Foundation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1436319/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[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 subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1436319 Title: Unable to increase nr_requests change I/O scheduler ... Status in linux package in Ubuntu: Confirmed Bug description: 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/nr_requests -bash: echo: write error: Invalid argument However values lower then 129 works. Thanks --- AlsaDevices: total 0 crw-rw 1 root audio 116, 1 Mar 24 06:50 seq crw-rw 1 root audio 116, 33 Mar 24 06:50 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: DistroRelease: Ubuntu 14.04 Ec2AMI: ami-00a3 Ec2AMIManifest: FIXME Ec2AvailabilityZone: nova Ec2InstanceType: ra.intel.ssd.xl4 Ec2Kernel: aki-0002 Ec2Ramdisk: ari-0002 HibernationDevice: RESUME=UUID=7b7c8950-fe4d-4322-9a60-48dadc7d5eba InstallationDate: Installed on 2014-04-16 (343 days ago) InstallationMedia: IwConfig: Error: [Errno 2] No such file or directory Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: OpenStack Foundation OpenStack Nova Package: linux (not installed) PciMultimedia: ProcEnviron: SHELL=/bin/bash TERM=vt100 PATH=(custom, no user) LANG=en_US.UTF-8 XDG_RUNTIME_DIR=set ProcFB: 0 cirrusdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-33-generic root=UUID=afee8cc2-d9a0-4f30-8454-94e974e89bf4 ro console=tty1 console=ttyS0 ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.16.0-33-generic N/A linux-backports-modules-3.16.0-33-generic N/A linux-firmware 1.127.11 RfKill: Error: [Errno 2] No such file or directory Tags: trusty ec2-images Uname: Linux 3.16.0-33-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 01/01/2011 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnOpenStackFoundation:pnOpenStackNova:pvr2013.2.2:cvnBochs:ct1:cvr: dmi.product.name: OpenStack Nova dmi.product.version: 2013.2.2 dmi.sys.vendor: OpenStack Foundation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1436319/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
