[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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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1758305
T
I'm using the default that comes with 18.04
uname -svr
Linux 4.15.0-15-generic #16-Ubuntu SMP Wed Apr 4 13:58:14 UTC 2018
The same IOMMU=pt
$ grep iommu /etc/default/grub
GRUB_CMDLINE_LINUX="iommu=pt"
Fixed 4.14.* on 17.10 (I didn't try the default 4.13.* kernel)
Last tested on 4.14.33-041433-g
Comment #4 didn't say which kernel version is in use.
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Title:
Panic during SyS_reboot
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Please see comment #4
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Title:
Panic during SyS_reboot
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Can you try v4.17 mainline? I guess the issue is solved in mainline.
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Title:
Panic during SyS_reboot
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The system in question here used to panic in numerous ways until I started
using iommu=pt
Now it appears to be stable.
The BIOS setting for IOMMU is "auto".
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.16 kernel[