LVM file system freezed for about a minute

Hello list,

I've a LVM partition that is in use in size of 500GB.
Kernel: 2.4.26
LVM version: 2.00.15 (2004-04-19)
Library version: 1.00.14-ioctl (2004-04-06) Driver version: 4.1.1

suddenly this file system freezed and gave these errors in dmesg:
what could it be ??

# dmesg
order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
__alloc_pages: 0-order allocation failed (gfp=0x20/0)
VFS: find_free_dqentry(): Data block full but it shouldn't.
VFS: Error -5 occured while creating quota.