[Expired for linux (Ubuntu Bionic) because there has been no activity
for 60 days.]
** Changed in: linux (Ubuntu Bionic)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1778717
Title:
Ubuntu 18.04 guest hangs during diskio stress
Status in dellserver:
Invalid
Status in linux package in Ubuntu:
Expired
Status in linux source package in Bionic:
Expired
Status in linux source package in Cosmic:
Won't Fix
Bug description:
Setup - A Dell EMC 14th Gen AMD server, with ESXi 6.7 as host and
Ubuntu 18.04 (latest updates) guest.
Guest has 3 data disks apart from the boot disk. All these disks are exposed
through "ParaVirtual SCSI controller" from the host ESXi 6.7.
Run diskio stress on all the 3 data disks for overnight.
Guest goes unresponsive (even ping fails) in between.
Only way to recover is to reset the guest.
Logs do not indicate much on this error.
Rarely we get a crash on the Guest-screen. Attaching 2 screenshots of
different hits.
We have tried mainline kernel v4.18-rc-2 and have hit the issue there
as well.
Changing the SCSI controller to "LSI Logic SAS adapter" helps and we
have not seen any crash/hang here.
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