OK, this is my meesage that I wrote to kernel's netdev list:
https://www.mail-archive.com/netdev@vger.kernel.org/msg223827.html
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https://bugs.launchpad.net/bugs/1755268
** Summary changed:
- Kernel panic when using KVM and Mellanox OFED driver (bonding and sriov
enabled)
+ Kernel panic when using KVM and mlx4_en driver (when bonding and sriov
enabled)
** Description changed:
# System information #
- # uname -a
- Linux m5c37
Additional I've also tested latest hwe kernel (4.13.0-37-generic) and
build-in driver, the same problem here:
[ 1011.070739] kvm [16361]: vcpu0, guest rIP: 0x810644d8 disabled
perfctr wrmsr: 0xc2 data 0x
[ 1011.528347] cache_from_obj: Wrong slab cache. kmalloc-256 but object
Hi, I can't build new mellanox drivers for new kernel, so I used default
one:
# ethtool -i eno1
driver: mlx4_en
version: 4.0-0
firmware-version: 2.42.5004
expansion-rom-version:
bus-info: :11:00.0
supports-statistics: yes
supports-test: yes
Hi Joseph, thanks for your answer.
Currnetly I have two various hardware configuration:
- HPE ProLiant m710p Server Cartridge (have no this problem)
- HPE ProLiant m710x Server Cartridge (have this problem)
> Did this issue start happening after an update/upgrade?
> Was there a prior kernel
** Attachment added: "Dmesg output (before kernel panic)"
https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1755268/+attachment/5081272/+files/dmesg.txt
** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu)
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I confirm,
It seems that is not overlayfs problem.
The problem occurs only with glusterfs backed storage (on nfs server).
I tested this internal gluster nfs server, and ganesha nfs server,
nfs-kernel-server is not supported by glusterfs.
With nfs-kernel-server and ext4 no any problems. Even
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1665921
Title:
OverlayFS with readonly NFS lower layer. Operation not
apport information
** Attachment added: "dmi.board.asset.tag.gz"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821717/+files/dmi.board.asset.tag.gz
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821713/+files/ProcInterrupts.txt
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** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821712/+files/ProcCpuinfo.txt
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** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821710/+files/JournalErrors.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821711/+files/Lspci.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821714/+files/ProcModules.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821716/+files/WifiSyslog.txt
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** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1665921/+attachment/4821715/+files/UdevDb.txt
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apport information
** Tags added: apport-collected xenial
** Description changed:
Step to reproduse:
- Crete dircetory with other directories and files.
- Chown some files in this directory, set any non-root permissions.
- Export nfs share with 'ro' permissions.
-
Public bug reported:
Step to reproduse:
- Crete dircetory with other directories and files.
- Chown some files in this directory, set any non-root permissions.
- Export nfs share with 'ro' permissions.
- Mount nfs share.
- Mount ovrelayfs with nfs as lowerdir
- Try to
apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797761/+files/ProcModules.txt
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** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797757/+files/JournalErrors.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797763/+files/WifiSyslog.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797759/+files/ProcCpuinfo.txt
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** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797758/+files/Lspci.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797762/+files/UdevDb.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797760/+files/ProcInterrupts.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1652946/+attachment/4797756/+files/CurrentDmesg.txt
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apport information
** Tags added: apport-collected xenial
** Description changed:
### More info:
http://serverfault.com/questions/820689/tcp-handshake-error-syn-and-syn-ack-packets-are-not-recognised/
### Kernel version
```bash
# uname -a
Linux docker-host 4.4.0-31-generic
At the moment I tried to reproduce this error in ubuntu again and I did not
succeed.
But something is clearly wrong. :(
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Title:
Public bug reported:
### More info:
http://serverfault.com/questions/820689/tcp-handshake-error-syn-and-syn-ack-packets-are-not-recognised/
### Kernel version
```bash
# uname -a
Linux docker-host 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
```
###
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