Hi Team,
When kdumping on 4.15.18 kernel in an Azure instance, we observe quite
frequently a stall on the kdump kernel, it gets blocked and soon we see
a stack like the following:
INFO: rcu_sched detected stalls on CPUs/tasks:
1-...!: (0 ticks this GP) idle=488/0/0 softirq=1/1 fqs=0
(detected by
** Changed in: linux-azure-4.15 (Ubuntu)
Status: Fix Committed => Fix Released
** Changed in: linux-azure (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** Changed in: linux-azure (Ubuntu)
Status: In Progress => Fix Released
--
You received this bug notification beca
This bug was fixed in the package linux-azure-4.15 - 4.15.0-1123.136
---
linux-azure-4.15 (4.15.0-1123.136) bionic; urgency=medium
* bionic/linux-azure-4.15: 4.15.0-1123.136 -proposed tracker (LP:
#1939816)
* VM enter into hung status after triggering a crash (LP: #1882623)
-
** Tags removed: verification-needed-bionic
** Tags added: verification-done-bionic
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure-4.15 in Ubuntu.
https://bugs.launchpad.net/bugs/1882623
Title:
VM enter into hung status aft
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag 'verifica
** Also affects: linux-azure-4.15 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-azure-4.15 (Ubuntu)
Status: New => Fix Committed
** Changed in: linux-azure-4.15 (Ubuntu Bionic)
Status: New => Fix Committed
--
You received this bug notification because y
** Changed in: linux-azure (Ubuntu Bionic)
Status: In Progress => Fix Committed
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/1882623
Title:
VM enter into hung status after
** Description changed:
- Create VM on Azure using Canonical UbuntuServer 14.04.5-LTS latest using
- size Standard DS2 v2
+ [Impact]
- Install kexec-tools kdump-tools makedumpfile, configure boot kernel
- parameter crashkernel=512M
+ * When kdumping on trusty/4.15 in an Azure instance, we obser
** Changed in: linux-azure (Ubuntu)
Status: Confirmed => In Progress
** Changed in: linux-azure (Ubuntu)
Assignee: (unassigned) => Guilherme G. Piccoli (gpiccoli)
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-azure (Ubuntu)
Status: New => Confirmed
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bu
Last time I did verification against gallery image, the default kernel version
is 4.4.0-148-generic.
And I tried below kernel, found the kernel linux-image-4.15.0-1042-azure is the
first one which we hit this bug, it is not specific for the esm kernel.
# Kernel Version/Package Result
0
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