In my opinion I also agree to use deadline scheduler for server kernel
which is also the same problem on the 4.15 kernel, if a server kernel
would still exist.
Under trusty we generally saw good performance with deadline scheduler and on a
recent SSD based deployment with 4.15 I noticed a large p
That issue did seem to be load induced, nothing has changed on the
system side since we did not update any packages. We will update the
kernel to the latest trusty first and if it still persists to either the
xenial kernel or newer
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Logs are attached, apport-collect could not be installed
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
** Attachment added: "apport.linux-image-3.13.0-96-generic.30pmetzp.apport"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1705349/+attachment/4917821/+files/apport
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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Public bug reported:
We see an issue where an IO thread of tgtd violates the hung task timeout and
vmstat reports >20% wait on IO while we are not seeing a issue with the
underlying hardware (iowait and svc time) inside IO stat.
We already limited the kernel parameters
vm.dirty_background_ra
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1681914
Title:
XFS kernel modules still trying to flush device after it's be
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860358/+files/WifiSyslog.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860354/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860355/+files/ProcModules.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860353/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860351/+files/Lspci.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860350/+files/IwConfig.txt
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apport information
** Tags added: apport-collected trusty
** Description changed:
Today I noticed under kernel
3.19.0-25-generic
that it still tries to flush to a non existing block device
[17985825.406716] XFS (sdl): xfs_log_force: error -5 returned.
which is completely re
apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860357/+files/UdevLog.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860352/+files/Lsusb.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860356/+files/UdevDb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1681914/+attachment/4860349/+files/CurrentDmesg.txt
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Public bug reported:
Today I noticed under kernel
3.19.0-25-generic
that it still tries to flush to a non existing block device
[17985825.406716] XFS (sdl): xfs_log_force: error -5 returned.
which is completely removed from the device and udev tree.
I found only XFS processes connected to sdl
FYI, this combination seem to work now:
Kernel 3.13.0-96-generic
i40e NIC Driver 1.4.25
NVM Firmware package 5.04
have not done any extensive testing yet
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FYI I have seen similar issues on 3.18 on a different OS so I assume
this issue is longer persistent than anticipated.
So far I was not able to reproduce in a test environment where I can try
different kernels.
Not sure how we should proceed here
** Changed in: linux (Ubuntu)
Status: Exp
Hi Joseph,
we only stress tested from the beginning with a 4.4 kernel so I can not rule
out if the was introduced past 3.13 or persisted in earlier versions already.
I'll look if I can test this in a smaller scale with a 4.7 kernel, we can not
switch for 4.7 on our current system yet
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691139/+files/UdevDb.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691138/+files/ProcModules.txt
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apport information
** Tags added: apport-collected
** Description changed:
We noticed a XFS metadata corruption once we ran a lot of small write
IOs on SSDs in our OpenStack swift environment:
[1468860.211158] XFS (sdax): Metadata corruption detected at
xfs_attr3_leaf_write_verify+0xd7
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691133/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691135/+files/Lsusb.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691136/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691134/+files/Lspci.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691141/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691140/+files/UdevLog.txt
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https://bugs.launchpad.net/bugs/1596
apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1596550/+attachment/4691137/+files/ProcInterrupts.txt
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** Description changed:
We noticed a XFS metadata corruption once we ran a lot of small write
IOs on SSDs in our OpenStack swift environment:
-
[1468860.211158] XFS (sdax): Metadata corruption detected at
xfs_attr3_leaf_write_verify+0xd7/0xf0 [xfs], block 0x7c99480
[1468860.211195] XF
Public bug reported:
We noticed a XFS metadata corruption once we ran a lot of small write
IOs on SSDs in our OpenStack swift environment:
[1468860.211158] XFS (sdax): Metadata corruption detected at
xfs_attr3_leaf_write_verify+0xd7/0xf0 [xfs], block 0x7c99480
[1468860.211195] XFS (sdax): Unmou
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