Hello ChengEn, Du ,
Thanks for the test Kernel.
I can no longer find a problem with this Kernel and NFS client.
I also think that the kernel has fixed the problem.
Best regards,
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What I have noticed now only occurs at NFS clients, not with the NFS
server.
NFS Client Server that create a large amount of simultaneous accesses have the
problem.
NFS Client Server that create few accesses do not have the problem.
We have now booted our web servers on an older kernel version a
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651922/+files/ProcModules.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651921/+files/WifiSyslog.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651924/+files/UdevDb.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651925/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651923/+files/acpidump.txt
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https://bugs.launchpad.net/bugs/20
apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651915/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651920/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651918/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651917/+files/ProcModules.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651913/+files/Lspci.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651919/+files/UdevDb.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651916/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651912/+files/ProcEnviron.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651911/+files/CurrentDmesg.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651914/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651910/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651909/+files/CRDA.txt
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Ti
apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651908/+files/ProcCpuinfo.txt
** Description changed:
After updating on the kernel
5.4.0-144.161 at Ubuntu 18 and
5.15.0-67.74 at Ubuntu 20,
we have a 100% CPU outlation
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651906/+files/Lspci.txt
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apport information
** Attachment added: "Lspci-vt.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651907/+files/Lspci-vt.txt
** Tags added: bionic
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/2009325/+attachment/5651905/+files/CurrentDmesg.txt
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apport information
** Tags added: apport-collected focal
** Description changed:
After updating on the kernel
5.4.0-144.161 at Ubuntu 18 and
5.15.0-67.74 at Ubuntu 20,
we have a 100% CPU outlation and 20 to 30 Mbit traffic to the clients for our
NFS servers.
All clients are extr
Public bug reported:
After updating on the kernel
5.4.0-144.161 at Ubuntu 18 and
5.15.0-67.74 at Ubuntu 20,
we have a 100% CPU outlation and 20 to 30 Mbit traffic to the clients for our
NFS servers.
All clients are extremely slow when it comes to access to the NFS
resources.
Restart and use
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