** Summary changed: - sigaltstack system call unable to send proper return code (error12) + LTP sigaltstack02 test failure -- MINSIGSTKSZ in userspace missmatches kernel (was: sigaltstack system call unable to send proper return code (error12))
-- 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/1267062 Title: LTP sigaltstack02 test failure -- MINSIGSTKSZ in userspace missmatches kernel (was: sigaltstack system call unable to send proper return code (error12)) Status in “eglibc” package in Ubuntu: New Status in “linux” package in Ubuntu: Confirmed Bug description: 9.3.189.114 (root/.pasroot) (Host Machine) Run the follwoing command to go to the guest victim machine from (/var/lib/libvirt/images/jagan/new_ubuntu_alpha1) qemu-system-ppc64 -enable-kvm -M pseries -cpu POWER8 -smp 1 -m 10G -nographic -nodefaults -monitor stdio -serial pty -append "root=/dev/sda" -kernel trusty-server-cloudimg-ppc64el-vmlinuz-generic -device spapr-vscsi -device spapr- vlan,netdev=net0,mac=6c:ae:8b:69:16:15 -netdev bridge,br=virbr0,id=net0 -drive file=trusty-server-cloudimg- ppc64el.img.qcow2 after this command you will get the screen number. example: QEMU 1.6.0 monitor - type 'help' for more information (qemu) char device redirected to /dev/pts/16 (label serial0) Then open another host session and execute the below command # screen /dev/pts/16 (qemu) Here the screen number is /dev/pts/16 -->>Then you will get a blank screen so press ENTER key. The guest machine login: ubuntu/passw0rd Then do --->sudo -i Environment: =========== Host: Power8 Guest : ubuntu hosted on Power8 The issue: ====== sigaltstack system call unable send proper return value. How to run : ======== -->cd /root/ltp-full-20130904/testcases/kernel/syscalls/sigaltstack --> ./sigaltstack02 ==> Getting the below error sigaltstack02 1 TPASS : stgaltstack() fails, Invalid Flag value, errno:22 sigaltstack02 2 TFAIL : sigaltstack() returned 0, expected -1, errno:12 =====>> FAIL <<<test_start>>> tag=sigaltstack02 stime=1386653793 cmdline="sigaltstack02" contacts="" analysis=exit <<<test_output>>> sigaltstack02 1 TPASS : stgaltstack() fails, Invalid Flag value, errno:22 sigaltstack02 2 TFAIL : sigaltstack() returned 0, expected -1, errno:12 <<<execution_status>>> initiation_status="ok" duration=0 termination_type=exited termination_id=1 corefile=no cutime=0 cstime=0 <<<test_end>>> sigaltstack() should fail and set errno to ENOMEM when the size of alternate stack area is less than MINSIGSTKSZ. But here its sigaltstack() is returning 0. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/1267062/+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
