Below is more information, > What type of CPUs? That's why we ask for /proc/cpuinfo.... + lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 4 NUMA node(s): 4 Vendor ID: AuthenticAMD CPU family: 15 Model: 65 Model name: Dual-Core AMD Opteron(tm) Processor 8218 Stepping: 2 CPU MHz: 2599.855 BogoMIPS: 5199.28 Virtualization: AMD-V L1d cache: 64K L1i cache: 64K L2 cache: 1024K NUMA node0 CPU(s): 0,4 NUMA node1 CPU(s): 1,5 NUMA node2 CPU(s): 2,6 NUMA node3 CPU(s): 3,7 or + lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 4 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 42 Model name: Intel(R) Xeon(R) CPU E31220 @ 3.10GHz Stepping: 7 CPU MHz: 3092.721 BogoMIPS: 6185.44 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 8192K NUMA node0 CPU(s): 0-3 > > > - contents of /proc/mounts: nothing special. Just Fedora-19 autopart > > What are the contents? + cat /proc/mounts rootfs / rootfs rw 0 0 proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0 devtmpfs /dev devtmpfs rw,seclabel,nosuid,size=8201464k,nr_inodes=2050366,mode=755 0 0 securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0 selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0 tmpfs /dev/shm tmpfs rw,seclabel,nosuid,nodev 0 0 devpts /dev/pts devpts rw,seclabel,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /run tmpfs rw,seclabel,nosuid,nodev,mode=755 0 0 tmpfs /sys/fs/cgroup tmpfs rw,seclabel,nosuid,nodev,noexec,mode=755 0 0 cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0 pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0 cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpuacct,cpu 0 0 cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0 cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0 cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0 cgroup /sys/fs/cgroup/net_cls cgroup rw,nosuid,nodev,noexec,relatime,net_cls 0 0 cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0 /dev/mapper/rhel_ibm--ls41--02-root / xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=32,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 configfs /sys/kernel/config configfs rw,relatime 0 0 hugetlbfs /dev/hugepages hugetlbfs rw,seclabel,relatime 0 0 mqueue /dev/mqueue mqueue rw,seclabel,relatime 0 0 debugfs /sys/kernel/debug debugfs rw,relatime 0 0 tmpfs /tmp tmpfs rw,seclabel 0 0 /dev/sda1 /boot xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 /dev/mapper/rhel_ibm--ls41--02-home /home xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 or + cat /proc/mounts rootfs / rootfs rw 0 0 proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 sysfs /sys sysfs rw,seclabel,nosuid,nodev,noexec,relatime 0 0 devtmpfs /dev devtmpfs rw,seclabel,nosuid,size=4054696k,nr_inodes=1013674,mode=755 0 0 securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0 selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0 tmpfs /dev/shm tmpfs rw,seclabel,nosuid,nodev 0 0 devpts /dev/pts devpts rw,seclabel,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 tmpfs /run tmpfs rw,seclabel,nosuid,nodev,mode=755 0 0 tmpfs /sys/fs/cgroup tmpfs rw,seclabel,nosuid,nodev,noexec,mode=755 0 0 cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd 0 0 pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0 cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0 cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpuacct,cpu 0 0 cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0 cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0 cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0 cgroup /sys/fs/cgroup/net_cls cgroup rw,nosuid,nodev,noexec,relatime,net_cls 0 0 cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0 cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0 /dev/mapper/rhel_storageqe--13-root / xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=32,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0 configfs /sys/kernel/config configfs rw,relatime 0 0 tmpfs /tmp tmpfs rw,seclabel 0 0 debugfs /sys/kernel/debug debugfs rw,relatime 0 0 mqueue /dev/mqueue mqueue rw,seclabel,relatime 0 0 hugetlbfs /dev/hugepages hugetlbfs rw,seclabel,relatime 0 0 /dev/mapper/rhel_storageqe--13-home /home xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 /dev/sda1 /boot xfs rw,seclabel,relatime,attr2,inode64,noquota 0 0 > > > - contents of /proc/partitions: nothing special. Just Fedora-19 autopart > > Contents, please. + cat /proc/partitions major minor #blocks name 8 16 71687000 sdb 8 17 71685120 sdb1 8 0 71687000 sda 8 1 512000 sda1 8 2 71173120 sda2 253 0 8257536 dm-0 253 1 52428800 dm-1 253 2 82169856 dm-2 or + cat /proc/partitions major minor #blocks name 8 0 71652960 sda 8 1 512000 sda1 8 2 71139328 sda2 253 0 8142848 dm-0 253 1 42328064 dm-1 253 2 20664320 dm-2 > But what I see here is that there are partitions and LVM, and > everything is using ext4. That's not useful to me. What I'm after is > the output of pvdisplay, vgdisplay and lvdisplay. That's not very > hard... + pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name rhel_ibm-ls41-02 PV Size 67.88 GiB / not usable 0 Allocatable yes (but full) PE Size 4.00 MiB Total PE 17376 Free PE 0 Allocated PE 17376 PV UUID Y2xyqY-0Bcf-4NRi-9fmD-fYCm-XD8a-wtvwX6 --- Physical volume --- PV Name /dev/sdb1 VG Name rhel_ibm-ls41-02 PV Size 68.36 GiB / not usable 0 Allocatable yes (but full) PE Size 4.00 MiB Total PE 17501 Free PE 0 Allocated PE 17501 PV UUID RcT6SU-EP1j-Ig3S-pBD0-21p6-C3W1-ersGf9 + echo + vgdisplay --- Volume group --- VG Name rhel_ibm-ls41-02 System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 2 Act PV 2 VG Size 136.24 GiB PE Size 4.00 MiB Total PE 34877 Alloc PE / Size 34877 / 136.24 GiB Free PE / Size 0 / 0 VG UUID vciDnL-1VvD-Xxx1-caV8-06EH-cZLQ-f9X0vI + echo + lvdisplay --- Logical volume --- LV Path /dev/rhel_ibm-ls41-02/swap LV Name swap VG Name rhel_ibm-ls41-02 LV UUID EgGvG9-XKJ0-sVBq-iQGQ-3jAc-rhbX-ZtCkPK LV Write Access read/write LV Status available # open 2 LV Size 7.88 GiB Current LE 2016 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 --- Logical volume --- LV Path /dev/rhel_ibm-ls41-02/home LV Name home VG Name rhel_ibm-ls41-02 LV UUID RFonzm-OXSb-rVKo-zZRi-YMri-fBC8-GdyRkq LV Write Access read/write LV Status available # open 1 LV Size 78.36 GiB Current LE 20061 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2 --- Logical volume --- LV Path /dev/rhel_ibm-ls41-02/root LV Name root VG Name rhel_ibm-ls41-02 LV UUID AXEjh5-BakC-UwOu-AKjW-7JwD-dsoW-u57ffj LV Write Access read/write LV Status available # open 1 LV Size 50.00 GiB Current LE 12800 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 or + pvdisplay --- Physical volume --- PV Name /dev/sda2 VG Name rhel_storageqe-13 PV Size 67.84 GiB / not usable 4.00 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 17367 Free PE 0 Allocated PE 17367 PV UUID qJGFib-CawR-Dlhz-gXew-aqt4-erPL-LLtCeE + echo + vgdisplay --- Volume group --- VG Name rhel_storageqe-13 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 1 Act PV 1 VG Size 67.84 GiB PE Size 4.00 MiB Total PE 17367 Alloc PE / Size 17367 / 67.84 GiB Free PE / Size 0 / 0 VG UUID 21QGVb-IqM8-DBto-Q1kl-23ql-y28i-ouwb0e + echo + lvdisplay --- Logical volume --- LV Path /dev/rhel_storageqe-13/swap LV Name swap VG Name rhel_storageqe-13 LV UUID jBYJTC-BPds-lfo8-52rJ-MEXR-Chn5-tSChwg LV Write Access read/write LV Status available # open 2 LV Size 7.77 GiB Current LE 1988 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 --- Logical volume --- LV Path /dev/rhel_storageqe-13/home LV Name home VG Name rhel_storageqe-13 LV UUID 3lJRDR-rnNO-7BBf-3Iyy-32ho-Sbnb-qP3Ut1 LV Write Access read/write LV Status available # open 1 LV Size 19.71 GiB Current LE 5045 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2 --- Logical volume --- LV Path /dev/rhel_storageqe-13/root LV Name root VG Name rhel_storageqe-13 LV UUID I2xPqj-Ew0z-NePE-4d7w-nfev-5DMo-fRuFUL LV Write Access read/write LV Status available # open 1 LV Size 40.37 GiB Current LE 10334 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 I never have had a chance to reproduce this just by running xfstests alone, so it looks like there needs to be some fixture of the loads here. I'll try to see if I can craft out a simpler reproducer... CAI Qian -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html