Bug 42983

Summary: samba problems with very high number of different xattr operations
Product: UCS Reporter: Jens Thorp-Hansen <thorp-hansen>
Component: KernelAssignee: Philipp Hahn <hahn>
Status: CLOSED FIXED QA Contact: Arvid Requate <requate>
Severity: normal    
Priority: P5 CC: ebersbach, gohmann, michelsmidt, salm, scheinig, stoeckigt
Version: UCS 3.2   
Target Milestone: UCS 3.2-8-errata   
Hardware: Other   
OS: Linux   
What kind of report is it?: Bug Report What type of bug is this?: 7: Crash: Bug causes crash or data loss
Who will be affected by this bug?: 3: Will affect average number of installed domains How will those affected feel about the bug?: 5: Blocking further progress on the daily work
User Pain: 0.600 Enterprise Customer affected?: Yes
School Customer affected?: Yes ISV affected?:
Waiting Support: Flags outvoted (downgraded) after PO Review:
Ticket number: 2016091621002544, 2016111721000503 Bug group (optional):
Max CVSS v3 score:
Bug Depends on: 41054    
Bug Blocks: 42984, 43049    

Description Jens Thorp-Hansen univentionstaff 2016-11-17 15:39:30 CET 
We need a backport vor 3.2-8 and 3.3

+++ This bug was initially created as a clone of Bug #41054 +++

UCS Version 4.1-1

Ticket#2015091521000246 #24: "NMI watchdog: BUG: soft lockup – CPU#0 stuck for 22s! [smbd:8822]"

https://bugzilla.kernel.org/show_bug.cgi?id=107301
Comment 1 Stefan Gohmann univentionstaff 2016-11-17 16:39:38 CET 
Philipp, is a backport for UCS 3.2-8-errata possible?
Comment 2 Philipp Hahn univentionstaff 2016-11-20 13:37:01 CET 
r16895 | Bug #42983 linux: Backport no_mbcache

Package: linux
Version: 3.10.104-0.1.215.201611190157
Branch: ucs_3.2-0
Scope: errata3.2-8

r74600 | Bug #42983 linux: Backport no_mbcache

Package: univention-kernel-image
Version: 7.0.0-26.116.201611201019
Branch: ucs_3.2-0
Scope: errata3.2-8

r74601 | Bug #42983 linux: Backport no_mbcache YAML
 linux.yaml
 univention-kernel-image.yaml
Comment 3 Arvid Requate univentionstaff 2016-11-21 16:15:56 CET 
Verified:
* Patch applied during build
* Package update Ok
* remount works
  EXT4-fs (dm-0): re-mounted. Opts: acl,errors=remount-ro,user_xattr,no_mbcache
* Advisories Ok