Since this bug was already released I handling the panic fix at
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1891931.
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Thanks for the detailed instructions, Dexuan. "ignore_loglevel
no_console_suspend" was the missing piece for me.
I'm still running tests but so far the results are good with the
reverted commit.
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Detailed steps to repro the issueo on Azure:
1. Create a VM with the image "Ubuntu Server 20.04 LTS - Gen1". Any VM size
should be fine. Here I use "Standard E4-2ds_v4 (2 vcpus, 32 GiB memory)".
2. Add an extra disk of 64GB to the VM via Azure portal.
3. Login the VM via ssh and check the
Hi Marcelo, yes, please revert
0a14dbaa0736 ("video: hyperv_fb: Fix hibernation for the deferred IO feature").
No other change is needed.
In the future, when a4ddb11d297e is included, 0a14dbaa0736 should also
be included.
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To reproduce the issue, I created a Ubuntu 20.04 VM on Azure (the kernel
version was "5.4.0-1022-azure #22-Ubuntu"), and I ran "echo disk >
/sys/power/state" in the VM and then checked the Azure serial console of
the VM and found the warning in commen #8 and suspending couldn't finish
normally (it
Dexuan. can you give the steps to reproduce the issue. I couldn't
reproduce it on a local hyper-v guest.
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https://bugs.launchpad.net/bugs/1880032
Title:
Hi, Dexuan.
Do you agree in reverting this commit?
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Title:
[linux-azure] Enable Hibernation on The 18.04 and 20.04 5.4
Unluckily this commit breaks hibernation:
0a14dbaa0736 ("video: hyperv_fb: Fix hibernation for the deferred IO feature"):
https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/focal/commit/?h=Ubuntu-azure-5.4.0-1022.22=0a14dbaa0736a6021c02e74d42cf3a7ca5438da6
The kernel here
Unluckily this commit breaks hibernation:
0a14dbaa0736 ("video: hyperv_fb: Fix hibernation for the deferred IO feature"):
https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-azure/+git/focal/commit/?h=Ubuntu-azure-5.4.0-1022.22=0a14dbaa0736a6021c02e74d42cf3a7ca5438da6
We should
This bug was fixed in the package linux-azure - 5.4.0-1022.22
---
linux-azure (5.4.0-1022.22) focal; urgency=medium
* focal/linux-azure: 5.4.0-1022.22 -proposed tracker (LP: #1887060)
[ Ubuntu: 5.4.0-42.46 ]
* focal/linux: 5.4.0-42.46 -proposed tracker (LP: #1887069)
*
This bug was fixed in the package linux-azure - 5.4.0-1020.20
---
linux-azure (5.4.0-1020.20) focal; urgency=medium
* focal/linux-azure: 5.4.0-1020.20 -proposed tracker (LP: #1885048)
* linux-azure: Update SGX version to version LD_1.33 (LP: #1881338)
- SAUCE: linux-azure:
** Changed in: linux-azure (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
[linux-azure] Enable
Cover letter for the patchset: https://lists.ubuntu.com/archives/kernel-
team/2020-June/110613.html
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Title:
[linux-azure]
The following patches weren't necessary because they were already
applied via upstream stable updates:
f2c33ccacb2d PCI/PM: Always return devices to D0 when thawing
Via https://bugs.launchpad.net/bugs/1858427
2351f8d295ed PM: hibernate: Freeze kernel threads in software_resume()
Via
** Also affects: linux-azure (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-azure (Ubuntu Focal)
Status: New => In Progress
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-azure (Ubuntu)
Status: New => Confirmed
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FYI: the patch "net/mlx5: Fix crash upon suspend/resume" is in v5.7 now
(i.e. today's latest mainline):
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.7=8fc3e29be9248048f449793502c15af329f35c6e
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There is another important bug fix for hibernation:
net/mlx5: Fix crash upon suspend/resume
(https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=8fc3e29be9248048f449793502c15af329f35c6e).
So far the fix is only present in the net.git tree, but I expect it will
be in the
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