[Bug 1719579] Re: [Ubuntu 18.04] [libvirt] virsh restore fails from state file saved in /var/tmp folder using virsh save

2018-09-04 Thread Anish Gupta
Christian,

Seeing following errors on our end as well - fyi


Create/delete of our XXL Guest vm.

Sep  1 08:54:54 my-system libvirtd[4126]: 2018-09-01 15:54:54.426+: 4126: 
error : virNetSocketReadWire:1811 : End of file while reading data: 
Input/output error
Sep  1 08:54:55 my-system libvirtd[4126]: 2018-09-01 15:54:55.009+: 4126: 
error : virNetSocketReadWire:1811 : End of file while reading data: 
Input/output error
Sep  1 08:54:55 my-system libvirtd[4126]: 2018-09-01 15:54:55.177+: 4126: 
error : virNetSocketReadWire:1811 : End of file while reading data: 
Input/output error
Sep  1 08:54:55 my-system libvirtd[4126]: 2018-09-01 15:54:55.325+: 4126: 
error : virNetSocketReadWire:1811 : End of file while reading data: 
Input/output error
Sep  1 08:54:56 my-system libvirtd[4126]: 2018-09-01 15:54:56.936+: 4126: 
error : qemuMonitorIORead:610 : Unable to read from monitor: Connection reset 
by peer
Sep  1 08:55:09 my-system libvirtd[4126]: 2018-09-01 15:55:09.503+: 4202: 
error : virProcessKillPainfully:401 : Failed to terminate process 48500 with 
SIGKILL: Device or resource busy
Sep  1 08:55:16 my-system libvirtd[4126]: 2018-09-01 15:55:16.959+: 4201: 
error : virSecurityDACSetOwnershipInternal:619 : unable to set user and group 
to '0:0' on 
'/var/lib/libvirt/images/dgx2vm-labSat0847-16g0-15_dgx-kvm-image-4.0.0~180823-22df0e.1.qcow2':
 No such file or directory
Sep  1 08:55:16 my-system libvirtd[4126]: 2018-09-01 15:55:16.959+: 4201: 
error : virSecurityDACSetOwnershipInternal:619 : unable to set user and group 
to '0:0' on '/raid/dgx-kvm/vol-dgx2vm-labSat0847-16g0-15': No such file or 
directory
Sep  1 09:22:11 my-system libvirtd[4126]: 2018-09-01 16:22:11.098+: 4203: 
error : virProcessKillPainfully:401 : Failed to terminate process 64980 with 
SIGKILL: Device or resource busy
Sep  1 09:22:11 my-system libvirtd[4126]: 2018-09-01 16:22:11.099+: 4126: 
error : qemuMonitorIO:719 : internal error: End of file from qemu monitor
Sep  1 09:22:26 my-system libvirtd[4126]: 2018-09-01 16:22:26.110+: 51440: 
error : virProcessKillPainfully:401 : Failed to terminate process 64980 with 
SIGKILL: Device or resource busy


thanks,
Anish

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Title:
  [Ubuntu 18.04] [libvirt] virsh restore fails from state file saved in
  /var/tmp folder using virsh save

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[Bug 1789659] Re: libvirt-daemon error "virHashSearch:727 : Hash operation not allowed during iteration"

2018-09-04 Thread Anish Gupta
Christian,

We are also seeing these errors on our Guests:

Sep  1 14:40:31 libvirtd[40608]: 2018-09-01 21:40:31.960+: 40662:
error : virHashSearch:727 : Hash operation not allowed during iteration

..

Sep  1 17:59:58 libvirtd[4181]: 2018-09-02 00:59:58.703+: 4181: error : 
virNetlinkEventCallback:700 : nl_recv returned with error: No buffer space 
available
..

Looking for BIONIC SRU that has this fix.


thanks,
Anish

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Title:
   libvirt-daemon error "virHashSearch:727 : Hash operation not allowed
  during iteration"

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[Bug 1797177] [NEW] virsh console hangs for the first time

2018-10-10 Thread Anish Gupta
Private bug reported:

PROBLEM:
Only when a non-GPU (CPU) VM is launched using our tools, the Guest OS 
image, creates a VM, however connecting over console doesn’t work.


WAR: 
A ‘virsh reset/reboot’ or ‘ssh in to VM; followed by reboot’ brings back 
console over ‘virsh console’

STEPS to Reproduce:

Login to DGX-2
ssh dgxuser@10.31.229.162  (DGXrox!)
Launch a CPU VM
nvidia-vm [ –-domain  ] -–gpu-index 0 –-gpu-count 0
 
virsh console<< hangs
 
BTW:DGX-2 User Guide, https://docs.nvidia.com/dgx/pdf/dgx2-user-guide.pdf, 
chapter 11 discusses nvidia-vm tool.
 
Path to our Guest OS image:

/var/lib/nvidia/kvm/images$ ls -la
total 4396108
drwxr-xr-x 2 root root   4096 Oct  3 13:32 .
drwxr-xr-x 4 root root   4096 Oct  3 20:24 ..
lrwxrwxrwx 1 root root 19 Oct  3 13:32 dgx-kvm-image -> 
dgx-kvm-image-4-0-2
lrwxrwxrwx 1 root root 41 Oct  3 13:32 dgx-kvm-image-4-0-2 -> 
dgx-kvm-image-4.0.2~180918-d47d38.1.qcow2
-r--r--r-- 1 libvirt-qemu kvm  4501602304 Sep 19 18:35 
dgx-kvm-image-4.0.2~180918-d47d38.1.qcow2
 
 
RCA done so far:
   Problem is with our Guest OS images, haven’t seen with Stock ubuntu or 
cloudinit images
   We traced it back to couple of months ago, where it used to work.
   Also, not an issue when we launch GPU based VMs
   Verified CONFIG_FHANDLE is configured inside the VM (with the image )
   
  root@cpuVM:/boot# grep FHANDLE /boot/config-4.15.0-29-generic 
   CONFIG_FHANDLE=y
 
Initially, the following times out
root@cpuVM:/boot# systemctl enable serial-getty@ttyS0.service
root@cpuVM:/boot# systemctl start serial-getty@ttyS0.service   << times out
A dependency job for serial-getty@ttyS0.service failed. See 'journalctl -xe' 
for details.
 
root@cpuVM:/boot# journalctl -xe

-- The start-up result is RESULT.
Oct 09 11:04:24 cpuVM sudo[1330]:   nvidia : TTY=pts/0 ; PWD=/boot ; USER=root 
; COMMAND=/bin/bash
Oct 09 11:04:24 cpuVM sudo[1330]: pam_unix(sudo:session): session opened for 
user root by nvidia(uid=0)
Oct 09 11:04:39 cpuVM systemd[1]: Reloading.
Oct 09 11:06:14 cpuVM systemd[1]: dev-ttyS0.device: Job dev-ttyS0.device/start 
timed out.
Oct 09 11:06:14 cpuVM systemd[1]: Timed out waiting for device dev-ttyS0.device.
-- Subject: Unit dev-ttyS0.device has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
-- 
-- Unit dev-ttyS0.device has failed.

** Affects: libvirt (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: kvm

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Title:
  virsh console  hangs for the first time

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[Bug 1789659] Re: libvirt-daemon error "virHashSearch:727 : Hash operation not allowed during iteration"

2018-09-27 Thread Anish Gupta
Does this also fix comment#8 ?

thanks,
Anish

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Title:
   libvirt-daemon error "virHashSearch:727 : Hash operation not allowed
  during iteration"

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[Bug 1794997] Re: virNetlinkEventCallback:700 : nl_recv returned with error: No buffer space available

2019-06-25 Thread Anish Gupta
Govinda,

Is this still an issue? If yes, can you reopen the bug ..
If not, advise next steps ...


thanks,
Anish

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Title:
  virNetlinkEventCallback:700 : nl_recv returned with error: No buffer
  space available

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