i can not understand one thing Andreas Dilger wrote: >If you had one that previously worked, then start with that one and >work forwards until it stops working (maybe dividing the kernel version >numbers in half for each try to narrow it down quicker). > i maked the VG and the LV's under 2.4.9-xfs lvm-1.0.1rc1 but i had the XFS- mount problem with it and JFS had no problems and i upgraded to 2.4.10-pre2-xfs lvm-1.0.1rc2 and had no problems with JFS and XFS i tried with 2.4.9-ac5 lvm-1.0 and vanila 2.4.9 lvm-1.0.1rc1 with all these kernels it seemd that the LVM is working but i couldn't format the LV with reiserfs and ext2 mke2fs and mkreiserfs simply segfaults without errors >If you have never had this working properly, try some early kernel like >2.4.5 and see if it works. If not then I suspect you have a RAM problem, >and you may want to swap/remove SIMM/DIMMs to see if you can isolate it. > i can not understand why do you think that i could have RAM problems if i had RAM problems why would XFS and JFS working without problem and mke2fs and mkreiserfs segfaulting > >There is a whole document in linux/Documentation/, like Oops-tracing.txt, >BUG-HUNTING, etc. > i'll take a look at it > >Nobody HAS to help you with this problem (and it seems the Sistina >folks are quiet on this issue) because you are not paying them anything. >That is one of the good/bad features of Linux - you can _usually_ get >free support for a problem, but you may have to do it yourself too. > >Cheers, Andreas > i know that and i really appreciate that you are trying to help me