(Please Cc me on any replies, I'm not on the list.) Hi, 2.6.17-rc1 on amd64 (dual-core, with SMP enabled) gives me: [ 36.829054] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 [ 36.835091] md: bitmap version 4.39 [ 36.839010] md: linear personality registered for level -1 [ 36.847169] md: raid0 personality registered for level 0 [ 36.855434] md: raid1 personality registered for level 1 [ 36.863676] md: raid10 personality registered for level 10 [ 36.871507] raid5: automatically using best checksumming function: generic_sse [ 36.898420] generic_sse: 5938.000 MB/sec [ 36.902697] raid5: using function: generic_sse (5938.000 MB/sec) [ 36.909737] md: raid5 personality registered for level 5 [ 36.915052] md: raid4 personality registered for level 4 [ 36.990294] raid6: int64x1 1833 MB/s [ 37.058190] raid6: int64x2 2497 MB/s [ 37.126118] raid6: int64x4 2154 MB/s [ 37.194059] raid6: int64x8 1619 MB/s [ 37.261962] raid6: sse2x1 2359 MB/s [ 37.329866] raid6: sse2x2 3183 MB/s [ 37.397781] raid6: sse2x4 3405 MB/s [ 37.401564] raid6: using algorithm sse2x4 (3405 MB/s) [ 37.406668] md: raid6 personality registered for level 6 [ 37.726168] md: bind<dm-0> [ 37.729096] md: bind<dm-1> [ 37.742155] md: bind<dm-2> [ 37.745266] md: bind<dm-3> [ 47.736121] BUG: soft lockup detected on CPU#1! [ 47.740655] [ 47.740655] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 47.748483] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 47.758681] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 47.769352] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 47.778304] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 47.787981] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 47.797294] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 47.808192] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 47.817030] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 47.824421] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 47.833605] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 47.844313] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 47.854032] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 47.863675] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 47.871171] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 47.879082] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 47.887012] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 47.896239] <ffffffff8021817e>{ia32_sysret+0} [ 57.727463] BUG: soft lockup detected on CPU#1! [ 57.732020] [ 57.732020] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 57.739860] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 57.750049] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 57.760667] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 57.769647] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 57.779342] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 57.788688] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 57.799570] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 57.808355] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 57.815791] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 57.824940] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 57.835724] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 57.845367] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 57.855034] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 57.862530] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 57.870450] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 57.878397] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 57.887633] <ffffffff8021817e>{ia32_sysret+0} [ 67.718805] BUG: soft lockup detected on CPU#1! [ 67.723353] [ 67.723354] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 67.731193] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 67.741452] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 67.752089] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 67.761041] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 67.770711] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 67.780031] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 67.790930] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 67.799731] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 67.807151] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 67.816317] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 67.827007] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 67.836725] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 67.846378] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 67.853908] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 67.861871] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 67.869817] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 67.879080] <ffffffff8021817e>{ia32_sysret+0} [ 77.710148] BUG: soft lockup detected on CPU#1! [ 77.714685] [ 77.714686] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 77.722545] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 77.732778] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 77.743447] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 77.752409] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 77.762113] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 77.771425] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 77.782349] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 77.791127] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 77.798527] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 77.807676] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 77.818384] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 77.828059] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 77.837701] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 77.845190] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 77.853135] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 77.861083] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 77.870336] <ffffffff8021817e>{ia32_sysret+0} [ 87.701492] BUG: soft lockup detected on CPU#1! [ 87.706010] [ 87.706011] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 87.713853] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 87.724015] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 87.734626] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 87.743595] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 87.753291] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 87.762586] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 87.773502] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 87.782303] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 87.789723] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 87.798862] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 87.809579] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 87.819264] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 87.828959] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 87.836438] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 87.844373] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 87.852294] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 87.861548] <ffffffff8021817e>{ia32_sysret+0} [ 97.696829] BUG: soft lockup detected on CPU#1! [ 97.701351] [ 97.701352] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 97.709160] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 97.719321] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 97.729977] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 97.738962] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 97.748614] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 97.757979] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 97.768843] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 97.777646] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 97.785045] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 97.794204] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 97.804953] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 97.814597] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 97.824248] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 97.831779] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 97.839715] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 97.847644] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 97.856854] <ffffffff8021817e>{ia32_sysret+0} [ 107.688172] BUG: soft lockup detected on CPU#1! [ 107.692746] [ 107.692747] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 107.700624] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 107.710812] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 107.721491] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 107.730504] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 107.740147] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 107.749485] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 107.760350] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 107.769153] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 107.776561] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 107.785719] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 107.796460] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 107.806129] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 107.815806] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 107.823337] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 107.831266] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 107.839238] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 107.848493] <ffffffff8021817e>{ia32_sysret+0} [ 117.679515] BUG: soft lockup detected on CPU#1! [ 117.684064] [ 117.684064] Call Trace: <IRQ> <ffffffff80247e68>{softlockup_tick+218} [ 117.691923] <ffffffff8022f59f>{update_process_times+66} <ffffffff80212ffa>{smp_local_timer_interrupt+35} [ 117.702137] <ffffffff80213614>{smp_apic_timer_interrupt+65} <ffffffff8020a106>{apic_timer_interrupt+98} <EOI> [ 117.712834] <ffffffff8028ad41>{mpage_writepages+730} <ffffffff802495bd>{find_get_pages+91} [ 117.721821] <ffffffff8024fd99>{pagevec_lookup+23} <ffffffff8025096d>{invalidate_mapping_pages+183} [ 117.731498] <ffffffff80212c8d>{smp_call_function+48} <ffffffff880c44e3>{:md_mod:do_md_run+664} [ 117.740853] <ffffffff880c5923>{:md_mod:md_ioctl+353} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 117.751710] <ffffffff880c68c0>{:md_mod:md_ioctl+4350} <ffffffff80280120>{__d_lookup+173} [ 117.760546] <ffffffff80277555>{do_lookup+99} <ffffffff8027ef84>{dput+33} [ 117.767946] <ffffffff802c8786>{blkdev_driver_ioctl+91} <ffffffff802c8e94>{blkdev_ioctl+1690} [ 117.777088] <ffffffff880c4fad>{:md_mod:md_open+44} <ffffffff8039e667>{__mutex_lock_interruptible_slowpath+816} [ 117.787829] <ffffffff8039ea47>{__mutex_lock_slowpath+751} <ffffffff80270944>{check_disk_change+29} [ 117.797506] <ffffffff880c4fdb>{:md_mod:md_open+90} <ffffffff8039e2e6>{__mutex_unlock_slowpath+403} [ 117.807253] <ffffffff8027170f>{do_open+653} <ffffffff80270cfd>{bdget+274} [ 117.814740] <ffffffff802709f8>{block_ioctl+25} <ffffffff8027ae59>{do_ioctl+33} [ 117.822668] <ffffffff8027b0f8>{vfs_ioctl+597} <ffffffff8027b16a>{sys_ioctl+89} [ 117.830668] <ffffffff80292346>{do_ioctl32_pointer+9} <ffffffff80291ed4>{compat_sys_ioctl+627} [ 117.839904] <ffffffff8021817e>{ia32_sysret+0} [ 123.802707] raid5: device dm-3 operational as raid disk 3 [ 123.808102] raid5: device dm-2 operational as raid disk 2 [ 123.813515] raid5: device dm-1 operational as raid disk 1 [ 123.818932] raid5: device dm-0 operational as raid disk 0 [ 123.824632] raid5: allocated 4262kB for md1 [ 123.828873] raid5: raid level 5 set md1 active with 4 out of 4 devices, algorithm 2 [ 123.836541] RAID5 conf printout: [ 123.839818] --- rd:4 wd:4 fd:0 [ 123.842973] disk 0, o:1, dev:dm-0 [ 123.846376] disk 1, o:1, dev:dm-1 [ 123.849777] disk 2, o:1, dev:dm-2 [ 123.853187] disk 3, o:1, dev:dm-3 [ 123.888070] md: bind<dm-10> [ 123.913148] md: bind<dm-11> [ 123.927897] raid1: raid set md0 active with 2 out of 2 mirrors After that, everything keeps working as normal. Any ideas? /* Steinar */ -- Homepage: http://www.sesse.net/ - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html