Re: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath
24.04 has default 0.9.4. Have not seen issue with it On Thu, Apr 24, 2025 at 12:35 PM andres moreno <[email protected]> wrote: > We’ve decided to complete skip Ubuntu 22.04 and we upgraded our system > to Ubuntu 24.04. We didn’t encountered any problems since then. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2066286 > > Title: > Multipath 0.8.8 reports High CPU usage when having Lun's using > Multipath > > Status in multipath-tools package in Ubuntu: > Incomplete > Status in multipath-tools source package in Focal: > Invalid > Status in multipath-tools source package in Jammy: > Triaged > > Bug description: > When Multipath 0.8.8 to 0.9.3 is used with Ubuntu20.04 and especially > with 22.04, showing High CPU usage for systemd and multipathd > processes, making node unresponsive. Multipath 0.9.4 works just fine. > But as there is no official multipath package for 0.9.4 with Ubuntu > 20.04/22.04, need to compile. > > The ask here is to have 0.9.4 available for Ubuntu 20.04 / 22.04. > Currently its available for 23.x versions. > > I was able to use the Mantic package repo and install with 22.04 and > make it work. > > > Redhat fixed the same issue and below is the link, > > Redhat Bug description: https://access.redhat.com/solutions/7059978 > > May be below is the code path having issue > Seems this impacting 0.8.8 till 0.9.3. > > https://github.com/opensvc/multipath-tools/pull/31/commits/38851dcaafe31073655761228db7f09ffc5a9a58 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066286 Title: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath
That's what I did too earlier On Thu, Apr 24, 2025 at 8:40 AM Juan Morete <[email protected]> wrote: > I installed multipath-tools package and the dependencies in 22.04 from > 24.04 repo and it worked... > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2066286 > > Title: > Multipath 0.8.8 reports High CPU usage when having Lun's using > Multipath > > Status in multipath-tools package in Ubuntu: > Incomplete > Status in multipath-tools source package in Focal: > Invalid > Status in multipath-tools source package in Jammy: > Triaged > > Bug description: > When Multipath 0.8.8 to 0.9.3 is used with Ubuntu20.04 and especially > with 22.04, showing High CPU usage for systemd and multipathd > processes, making node unresponsive. Multipath 0.9.4 works just fine. > But as there is no official multipath package for 0.9.4 with Ubuntu > 20.04/22.04, need to compile. > > The ask here is to have 0.9.4 available for Ubuntu 20.04 / 22.04. > Currently its available for 23.x versions. > > I was able to use the Mantic package repo and install with 22.04 and > make it work. > > > Redhat fixed the same issue and below is the link, > > Redhat Bug description: https://access.redhat.com/solutions/7059978 > > May be below is the code path having issue > Seems this impacting 0.8.8 till 0.9.3. > > https://github.com/opensvc/multipath-tools/pull/31/commits/38851dcaafe31073655761228db7f09ffc5a9a58 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066286 Title: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath
We are still having issue with the new build provided. But the 0.9.4 from mantic just works fine Regards, Ninoy From: [email protected] on behalf of Mitchell Dzurick <[email protected]> Sent: Thursday, May 23, 2024 6:10:23 PM To: [email protected] Subject: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath ** Merge proposal linked: https://code.launchpad.net/~mitchdz/ubuntu/+source/multipath-tools/+git/multipath-tools/+merge/466356 -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/2066286 Title: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath Status in multipath-tools package in Ubuntu: Incomplete Status in multipath-tools source package in Focal: Invalid Status in multipath-tools source package in Jammy: Triaged Bug description: When Multipath 0.8.8 to 0.9.3 is used with Ubuntu20.04 and especially with 22.04, showing High CPU usage for systemd and multipathd processes, making node unresponsive. Multipath 0.9.4 works just fine. But as there is no official multipath package for 0.9.4 with Ubuntu 20.04/22.04, need to compile. The ask here is to have 0.9.4 available for Ubuntu 20.04 / 22.04. Currently its available for 23.x versions. I was able to use the Mantic package repo and install with 22.04 and make it work. Redhat fixed the same issue and below is the link, Redhat Bug description: https://access.redhat.com/solutions/7059978 May be below is the code path having issue Seems this impacting 0.8.8 till 0.9.3. https://github.com/opensvc/multipath-tools/pull/31/commits/38851dcaafe31073655761228db7f09ffc5a9a58 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066286 Title: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath
Will ask the QE team to do some regression tests. Please give me some time for doing that. On Tue, May 21, 2024 at 4:10 PM Mitchell Dzurick <[email protected]> wrote: > Are you able to see any improvements in CPU usage with the fix? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2066286 > > Title: > Multipath 0.8.8 reports High CPU usage when having Lun's using > Multipath > > Status in multipath-tools package in Ubuntu: > Incomplete > Status in multipath-tools source package in Focal: > Invalid > Status in multipath-tools source package in Jammy: > Triaged > > Bug description: > When Multipath 0.8.8 to 0.9.3 is used with Ubuntu20.04 and especially > with 22.04, showing High CPU usage for systemd and multipathd > processes, making node unresponsive. Multipath 0.9.4 works just fine. > But as there is no official multipath package for 0.9.4 with Ubuntu > 20.04/22.04, need to compile. > > The ask here is to have 0.9.4 available for Ubuntu 20.04 / 22.04. > Currently its available for 23.x versions. > > I was able to use the Mantic package repo and install with 22.04 and > make it work. > > > Redhat fixed the same issue and below is the link, > > Redhat Bug description: https://access.redhat.com/solutions/7059978 > > May be below is the code path having issue > Seems this impacting 0.8.8 till 0.9.3. > > https://github.com/opensvc/multipath-tools/pull/31/commits/38851dcaafe31073655761228db7f09ffc5a9a58 > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066286 Title: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/multipath-tools/+bug/2066286/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
Re: [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when having Lun's using Multipath
I was able to install. Is this the fix backported to 0.8.8 and the multipath version will be still names 0.8.8-* or will it be like multipath 0.9.4 available with Ubuntu 22.04 root@ninoy-ubuntu-22-04-template:~# apt list multipath\* Listing... Done multipath-tools-boot/jammy 0.8.8-1ubuntu1.22.04.5~jammy1 all multipath-tools/jammy 0.8.8-1ubuntu1.22.04.5~jammy1 amd64 [upgradable from: 0.8.8-1ubuntu1.22.04.4] root@ninoy-ubuntu-22-04-template:~# apt --only-upgrade install multipath-tools Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: kpartx Suggested packages: multipath-tools-boot The following packages will be upgraded: kpartx multipath-tools 2 upgraded, 0 newly installed, 0 to remove and 108 not upgraded. Need to get 414 kB of archives. After this operation, 2,048 B of additional disk space will be used. Do you want to continue? [Y/n] Y Get:1 https://ppa.launchpadcontent.net/mitchdz/lp2066286-multipath-tools-high-cpu-usage/ubuntu jammy/main amd64 kpartx amd64 0.8.8-1ubuntu1.22.04.5~jammy1 [53.8 kB] Get:2 https://ppa.launchpadcontent.net/mitchdz/lp2066286-multipath-tools-high-cpu-usage/ubuntu jammy/main amd64 multipath-tools amd64 0.8.8-1ubuntu1.22.04.5~jammy1 [361 kB] Fetched 414 kB in 1s (288 kB/s) (Reading database ... 74437 files and directories currently installed.) Preparing to unpack .../kpartx_0.8.8-1ubuntu1.22.04.5~jammy1_amd64.deb ... Unpacking kpartx (0.8.8-1ubuntu1.22.04.5~jammy1) over (0.8.8-1ubuntu1.22.04.4) ... Preparing to unpack .../multipath-tools_0.8.8-1ubuntu1.22.04.5~jammy1_amd64.deb ... Unpacking multipath-tools (0.8.8-1ubuntu1.22.04.5~jammy1) over (0.8.8-1ubuntu1.22.04.4) ... Setting up kpartx (0.8.8-1ubuntu1.22.04.5~jammy1) ... Setting up multipath-tools (0.8.8-1ubuntu1.22.04.5~jammy1) ... Could not execute systemctl: at /usr/bin/deb-systemd-invoke line 142. Processing triggers for man-db (2.10.2-1) ... Processing triggers for libc-bin (2.35-0ubuntu3.6) ... Scanning processes... Scanning linux images... Running kernel seems to be up-to-date. No services need to be restarted. No containers need to be restarted. No user sessions are running outdated binaries. No VM guests are running outdated hypervisor (qemu) binaries on this host. root@ninoy-ubuntu-22-04-template:~# apt list multipath\* Listing... Done multipath-tools-boot/jammy 0.8.8-1ubuntu1.22.04.5~jammy1 all multipath-tools/jammy,now 0.8.8-1ubuntu1.22.04.5~jammy1 amd64 [installed] root@ninoy-ubuntu-22-04-template:~# On Tue, May 21, 2024 at 2:35 PM Ninoy Radhakrishnan (he/him) < [email protected]> wrote: > Thank you for the quick help! I will test and let you know > > Regards, > Ninoy > -- > *From:* [email protected] on behalf of > Mitchell Dzurick <[email protected]> > *Sent:* Tuesday, May 21, 2024 2:17:53 PM > *To:* [email protected] > *Subject:* [Bug 2066286] Re: Multipath 0.8.8 reports High CPU usage when > having Lun's using Multipath > > Thank you for the quick reply! > > I'll set Focal to Invalid due to the patch not applying cleanly and > supposedly not being affected by this issue. Let me know if you think > that is wrong. > > I applied the patch to Jammy in my PPA for testing and it applied with > fuzz. I didn't see any major concerns applying it. The package in my PPA > is available at [0], so please test it once you have a chance. > > [0] - > https://launchpad.net/~mitchdz/+archive/ubuntu/lp2066286-multipath- > tools-high-cpu-usage > > ** Also affects: multipath-tools (Ubuntu Jammy) >Importance: Undecided >Status: New > > ** Also affects: multipath-tools (Ubuntu Focal) >Importance: Undecided >Status: New > > ** Changed in: multipath-tools (Ubuntu Focal) >Status: New => Won't Fix > > ** Changed in: multipath-tools (Ubuntu Focal) >Status: Won't Fix => Invalid > > ** Changed in: multipath-tools (Ubuntu Jammy) >Status: New => Triaged > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2066286 > > Title: > Multipath 0.8.8 reports High CPU usage when having Lun's using > Multipath > > Status in multipath-tools package in Ubuntu: > Incomplete > Status in multipath-tools source package in Focal: > Invalid > Status in multipath-tools source package in Jammy: > Triaged > > Bug description: > When Multipath 0.8.8 to 0.9.3 is used with Ubuntu20.04 and especially > with 22.04, showing High CPU usage for systemd and multipathd > processes, making node unresponsive. Multipath 0.9.4 works just fine. > But as there is no official multipath package for 0.9.4 with Ubuntu > 20.04/22.04, need to compile. > > The ask here is to have 0.9.4 available for Ubuntu 20.04 / 22.04. > Currently its available for 23.x versions. > > I was able to use the Mantic package repo and install with 22.04 and > make it work. > > >
