I had same error of sda: WRITE SAME failed. Manually zeroing. when running the dio tests of LTP test suite on my ubuntu .
on other terminal of the guest I had error displayed as below : sda: WRITE SAME failed. Manually zeroing. and in dmesg also the error was collected , I will be pasting only part of the dmesg, type=1006 audit(1389258733.373:16): pid=1675 uid=0 old auid=4294967295 new auid=1000 old ses=4294967295 new ses=2 res=1 sda: WRITE SAME failed. Manually zeroing. type=1006 audit(1389264359.283:17): pid=29045 uid=0 old auid=4294967295 new auid=1000 old ses=4294967295 new ses=3 res=1 root@ubuntu:/opt/ltp# previous to dio test , I ran fsx and filecpas tests from LTP suite. -- 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1266737/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
