james lee jleecanadacom testing patch top todays cvs patch didnt help following results tests testing setup 1 created devmd0 4 scsi disks 2 created lvm volume group vg devmd0 3 created lvm logical volume vol1 vg 4 created xfs fs command mkfsxfs f sunit8swidth8 devvgvol1 metadatadevvgvol1 isize256 agcount8 agsize32767 blks data bsize4096 blocks262136 imaxpct25 sunit1 swidth1 blks unwritten0 naming version 2 bsize4096 log internal log bsize4096 blocks1200 version1 sunit1 blks realtime none extsz65536 blocks0 rtextents0 test results 1 mount quota enabled occasional kernel oops attached file oops1 2 mount without quota enabled occasional kernel oops attached file oops2 3 mount without quota enabled md device degraded mode always kernel oops attached file oops3 thanks jlee original message eric sandeen james lee cc sent tuesday august 13 2002 303 pm subject kernel bug filemapc843 hi guys treat md lvm somewhat specially wonder case md masking fact youre using lvm might problem starts try patch cause lvm md treated see helps probably final solution might offer hints thanks eric linuxfsxfspagebufpage_buf_lockingc_124 tue aug 13 140518 2002 linuxfsxfspagebufpage_buf_lockingc tue aug 13 135937 2002 1987 1967 pagebuf_target_blocksizetarget page_cache_size majordev md_major majordev evms_major targetpbr_flags pbr_aligned_only targetpbr_flags pbr_sector_only else majordev lvm_blk_major targetpbr_flags pbr_sector_only else mon 20020812 0140 james lee wrote hi im also exactly problem tested 2419xfschecked sgis cvs aug 10 redhat 72 kernel userland tools compiled gcc 29166 following result tests scsidisks xfs ok scsidisks raid5 xfs ok scsidisks lvm xfs ok scsidisks raid0 lvm xfs ok scsidisks raid1 lvm xfs ok scsidisks raid5 lvm xfs kernel bug filemapc843 problem always reproducible following shell script binsh mkraid devmd0 vgcreate volumegroup devmd0 lvcreate l1g ntestvolume volumegroup mkfsxfs f size32m devvolumegrouptestvolume mount xfs devvolumegrouptestvolume mnt onoatimenodiratimeusrquotagrpquota whenever run script mount command always generates kernel oops insert delay following mount goes well eric sandeen xfs linux httposssgicomprojectsxfs sandeensgicom sgi inc 6516833102 begin 666 oops1dat m5s5db rc0n3dm9sa31tdg7t96t8we871e9obtw v8 m39l340lo65t6ue6uowsnxqndv8bxtcyb 3wt6n6ubvp6yfwm871ivxn mip87s6ue1h870aeqo9rm871c5s1h92k97n96p m86yduo95l97aaa6uowsut5l9cr6ds8 m63xi1dq1uz ppc0vf5ah8sy969b e8gz mpvw9t 96xb p p qb 5dh p p 97i mbc6p5c8r 5d3h9c5ff9fc e8g z p p q m97pbf6d3dy id2ma8rq3 e1r86erctc4x2 g96u9ei mwe75e9s7we8618g5fsev8p mi49s7we861s8blxcx5a8v4pcb960tqx9g8vuo6yt m9gk37t96u8vllsrsx0vd93lp3b90vqufqo8vm mg92ltbwx p p 25 iv1er 8s qfd98 m5ncup86es0vs9f9f9f9f5a5e8wi5e8w0vd93lp m3b91cqufqo8vmg92lt8rwx ch sc ao0h65s2dl65a iv1er 8s q mfd935ncup86es4qs9sa31tdg7t96tvetq6t82efb5d mc9sufudufet3l6uabg9706r92a8vul86enh8s s83d m30e8wz p pv 961xb p p p ie9s m7vumstsbrb e1r86ercf3y2 9s7wm7wu mw1a8vae8vlk8sdo34pi49s7vuo6yt m9gk9cbsp e1r86ercss9b8b 9s7we861s8bls8bc mx5a8v4pcss pqx9g iv1er 8s qfd9d5ncup86es0ysdl65c iv1er 8s qfd95ncup86es1csr 0p mp5a iv1er 8s qfd945ncup86es1espp0h65s2d0vd93lp3b94tqufqo8vmg92luw mx 93h w q ie r 7t54lppbcr8f1fb 6ylvk7wa9v4kc8os m94cr8f1eb 6ylvk7wa9v4k38os b 3 z 6 pw 65b iv1er 8s q mfd935ncup86es4ws iv1er 8s qfd m93d5ncup86es4ysr 5e87l5e87ihbw87n6yg2nw08f49sa31tdg7t96t8we871e9obtw v8 m39l340lh6qeuesen1e9wa95duo9486qw87es mef5r871e9sufudufet3l6uowst3t m3t3t3t3t3t0ik6usad969a6qt0h ulp6us5t8rxms6uowsuh5xqa6ys1h92o m1ivyshv5rf5l51raf6qe6pfz0s0iig9aed mp97af0z p 0u5b pd54h qip3b m90vet 3ft1a6yt96057if95f875l9go2kh p p38 me9z p p pf5s3h8sca8se9dz5fee96p 96pb p p p2 5sh968pf9a9z p3e m2ma8rq3 e1r86erctc4x2 g96u m9eiwe75e9s7we861s8blr2c mx5a8v4pcb91eqx9g8vuo6yt9gkv5es8qx5a m8v4pccbqx9g6ug0koc e1r86erct968r mb enf9s7we861 iv1er 8s qfd9d5ncup86e ms0ysdl65c iv1er 8s qfd95n mcup86es1csr 0pp5a iv1er 8s qfd945nc mup86es1espp0h65s2d0vd93lp3b94tqu mfqo8vmg92luwx 93h w q ie r 7t54lppbcr8f1fb 6ylvk m7wa9v4kc8os do94cr8f1eb 6ylvk7wa9v4k38o ms b 3 z 6 pw m65b iv1er 8s qfd935ncup86es4ws iv1er 8s qfd93d5ncup86es4ysr 5e87l5e87i mh3t3t3t3t3t3t3t3t3t3t3t3t3t3t 3t3t3t0h end sat 17 aug 2002 031238 0400 kernel bug filemapc843