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[Abdul <abdhalee@xxxxxxxxxx>]

Hello,

Verified this problem with 3.13.0-14-generic OS on a KVM guest running
on Power 8 and the issue is no more reproducible

I tried the mentioned scenarios like 
- apt-get install perl*  
- dio  test run from LTP

Both scenarios were successfull with out any problem or error message in
dmesg

More details:

root@ubuntu:~# dmesg | tail
[   12.026629] type=1400 audit(1393859454.002:8): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/sbin/dhclient" pid=744 comm="apparmor_parser"
[   12.026640] type=1400 audit(1393859454.002:9): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=744 comm="apparmor_parser"
[   12.026647] type=1400 audit(1393859454.002:10): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=744 comm="apparmor_parser"
[   12.027157] type=1400 audit(1393859454.002:11): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=744 comm="apparmor_parser"
[   12.583881] init: plymouth-stop pre-start process (848) terminated with status 1
[   13.361227] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[   13.362023] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   94.161888] random: nonblocking pool is initialized
[  575.930046] audit_printk_skb: 9 callbacks suppressed
[  575.930054] type=1006 audit(1393863692.439:15): pid=9047 uid=0 old auid=4294967295 new auid=1000 old ses=4294967295 new ses=1 res=1
root@ubuntu:~# 

cat diolog
Test Start Time: Mon Mar  3 22:05:30 2014
-----------------------------------------
Testcase                       Result     Exit Value
--------                       ------     ----------
dio01                          PASS       0    
dio02                          PASS       0    
dio03                          PASS       0    
dio04                          PASS       0    
dio05                          PASS       0    
dio06                          PASS       0    
dio07                          PASS       0    
dio08                          PASS       0    
dio09                          PASS       0    
dio10                          PASS       0    
dio11                          PASS       0    
dio12                          PASS       0    
dio13                          PASS       0    
dio14                          PASS       0    
dio15                          PASS       0    
dio16                          PASS       0    
dio17                          PASS       0    
dio18                          PASS       0    
dio19                          PASS       0    
dio20                          PASS       0    
dio21                          PASS       0    
dio22                          PASS       0    
dio23                          PASS       0    
dio24                          PASS       0    
dio25                          PASS       0    
dio26                          PASS       0    
dio27                          PASS       0    
dio28                          PASS       0    

-----------------------------------------------
Total Tests: 28
Total Failures: 0
Kernel Version: 3.13.0-14-generic
Machine Architecture: ppc64le
Hostname: ubuntu

Test Start Time: Mon Mar  3 22:26:35 2014
-----------------------------------------
Testcase                       Result     Exit Value
--------                       ------     ----------
Filecaps                       PASS       0    

-----------------------------------------------
Total Tests: 1
Total Failures: 0
Kernel Version: 3.13.0-14-generic
Machine Architecture: ppc64le
Hostname: ubuntu

root@ubuntu:/opt/ltp/results# cat logfsx
Test Start Time: Mon Mar  3 22:26:59 2014
-----------------------------------------
Testcase                       Result     Exit Value
--------                       ------     ----------
fsx-linux                      PASS       0    

-----------------------------------------------
Total Tests: 1
Total Failures: 0
Kernel Version: 3.13.0-14-generic
Machine Architecture: ppc64le
Hostname: ubuntu

We can close this bug for now, if the issue is seen in future than we
can reopen or raise a separate bug.

Thanks

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1266737

Title:
  error sda: WRITE SAME failed when installing package

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Description:
  ==========
  Was installing perl packages using apt-get install command. I saw WRITE SAME failed displayed during the process.

  Command used : apt-get install perl* 
  on my Ubuntu guest to install all perl packages.

  I saw the message as below
  .
  .
  .
  .
  Setting up perlindex (1.606-1) ...
  Generating index (this may take a while)...sda: WRITE SAME failed. Manually zeroing.
   done.

  it took few seconds to complete  and later on the process continued.

  
  Environment:
  ============

  Host: Power8
  Guest : ubuntu hosted on Power8

  used below qemu command :

  [root@localhost ubuntu_alpha1]# cat kvmg.p8.h
  KERNEL=trusty-server-cloudimg-ppc64el-vmlinuz-generic
  #FSIMAGE=trusty-server-cloudimg-ppc64el.img
  FSIMAGE=trusty-server-cloudimg-ppc64el.img.qcow2
  MEM=8G
  qemu-system-ppc64 \
          -enable-kvm -M pseries -cpu POWER8 -smp cores=4,threads=1 -m $MEM \
          -net nic -net user \
          -device spapr-vscsi -drive file=$FSIMAGE \
          -kernel $KERNEL \
          -append "earlyprintk root=/dev/sda console=hvc0 --no-sessions" \
          -nographic

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