[Kernel-packages] [Bug 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
[Expired for linux (Ubuntu) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu) Status: Incomplete => Expired -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Expired Status in linux source package in Bionic: Expired Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
[Expired for linux (Ubuntu Bionic) because there has been no activity for 60 days.] ** Changed in: linux (Ubuntu Bionic) Status: Incomplete => Expired -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Expired Status in linux source package in Bionic: Expired Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
How about the 4.4 kernel? And are they using a normal HDD/SSD for the root filesystem, or are they using a NVMe of some sort? I'm currently following another bug where the memory test fails reliably when using an NVMe as the root filesystem but passes when a SSD or HDD is used. In that case, 4.4 can pass, but 4.15 and 4.18 fail. -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
A good feedback from partner is "I just update Ubuntu kernel to v4.19 and Memory Stress can got pass result this time." -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
Also, are there prior kernel versions that do no exhibit this bug? -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.19 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 this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.19-rc7 ** Changed in: linux (Ubuntu) Importance: Undecided => High ** Also affects: linux (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Importance: Undecided => High ** Changed in: linux (Ubuntu Bionic) Status: New => Incomplete ** Tags added: kernel-da-key -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
** Attachment added: "sos report when issued showed on console" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+attachment/5197396/+files/sosreport-right-goblin-20181003095301.tar.xz -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: New Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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 1796217] Re: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks"
** Attachment added: "sos report when issued showed on console" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+attachment/5197397/+files/sosreport-right-goblin-20181003095301.tar.xz -- 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/1796217 Title: Qunata server memory stress cause "rcu_sched detected stalls on cpus/tasks" Status in linux package in Ubuntu: New Bug description: We are facing a problem during the certification test. System always stop at below screen while memory stress. In the following re- producing, kernel seems un-normal and it can’t capture above info into the syslog or kernel log, but the console will show same warning as screen shot attachment file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796217/+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
