** Package changed: kernel-package (Ubuntu) => linux (Ubuntu)
** Also affects: ubuntu-power-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-power-systems
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: ubuntu-power-systems
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/2076147
Title:
L2 Guest hung during LTP Tests. Back trace of paca->saved_r1
(0xc000000c1bc8bb00) (possibly stale) @ new_slab
Status in The Ubuntu-power-systems project:
New
Status in linux package in Ubuntu:
New
Bug description:
== Comment: #0 - SEETEENA THOUFEEK <[email protected]> - 2024-08-06
00:20:57 ==
+++ This bug was initially created as a clone of Bug #206372 +++
---Problem Description---
L2 Guest hung during LTP Tests. Back trace of paca->saved_r1
(0xc000000c1bc8bb00) (possibly stale) @ new_slab (edit)
---uname output---
NA
---Additional Hardware Info---
NA
Contact Information = na
---Debugger Data---
NA
---Patches Installed---
NA
---Steps to Reproduce---
Tests running: SLS(io,base)
LPAR Config:
============
PHYP Environment: PowerVM
LPAR Hostname/IP: 10.33.2.107
Rootvg Filesystem: xfs
Network Interface: Shiner-T
vNIC/SR-IOV Config: n/a
IO Type: SAN
IO Disk Type: raw
Multipath Enabled: No
-------------------------------------------------------------------------------------
DUMP Config:
============
KDUMP configured: Yes
XMON enabled no
DUMP Available: no
Machine Type = na
Userspace rpm: NA
The userspace tool has the following bit modes: NA
Userspace tool obtained from project website: na
Userspace tool common name: NA
*Additional Instructions for na:
-Post a private note with access information to the machine that is currently
in the debugger.
-Attach ltrace and strace of userspace application.
please include this commit in Ubuntu 24.04
upstream commit which is solving these data store lockups:
73bc32875ee9b1881dd780308c6793fe463fe803 mm: hold PTL from the first PTE
while reclaiming a large folio
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