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[dm-devel] LVM on Intel IQ31244 board



Hi,
    when I use lvm on my IQ31244 board, I can't create pv.
build lvm and device-mapper like this:
device-mapper-1.02.07:
./configure --host=armv5l-linux --prefix=/opt/buildfs
make all install
lvm2.2.02.06:
./configure --host=armv5l-linux --prefix=/opt/buildfs
make all install

linux kernel 2.6.15

when I check the metadata on disk,  but no label data, 
add sync() in _io function like:
		n = should_write ?
		    write(fd, buffer, (size_t) where->size - total) :
		    read(fd, buffer, (size_t) where->size - total);
		sync();
the metadata on disk ok(dd out to another file), but the dev_read function read
data and calculate CRC data failure.
this is the output:

root iop:~# dd if=/dev/zero of=/dev/sda1 bs=8K count=1
1+0 records in
1+0 records out
8192 bytes (8.2 kB) copied,  seconds,  MB/s
root iop:~# pvcreate /dev/sda1 -vv
      Setting global/locking_type to 1
      Setting global/locking_dir to /var/lock/lvm
      File-based locking enabled.
      Locking /var/lock/lvm/P_orphans 
dev_read from /dev/sda1 offset : 0x0 len : 2048
      /dev/sda1: No label detected
      /dev/sda1: size is 488397105 sectors
dev_read from /dev/sda1 offset : 0x3a38b10000 len : 4
      metadata/pvmetadatasize not found in config: defaulting to 255
      metadata/pvmetadatacopies not found in config: defaulting to 1
      /dev/sda1: size is 488397105 sectors
dev_write to /dev/sda1 offset : 0x1000 len : 1
    Set up physical volume for "/dev/sda1" with 488396721 available sectors
      Scanning for labels to wipe from /dev/sda1
dev_read from /dev/sda1 offset : 0x0 len : 2048
    Zeroing start of device /dev/sda1
dev_write to /dev/sda1 offset : 0x0 len : 2048
      Writing physical volume data to disk "/dev/sda1"
write mda header to /dev/sda1:
1bc73560204c564d3220785b35412572
304e2a3e010000000010000000000000
00f00200000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
dev_write to /dev/sda1 offset : 0x1000 len : 512
  pe size : 3a38af6200
write label data to /dev/sda1:
4c4142454c4f4e450100000000000000
750a9468200000004c564d3220303031
536e5a68365269314c666f763531694a
6859706232666b5564394b47427a3044
0062af383a0000000000030000000000
00000000000000000000000000000000
00000000000000000010000000000000
00f00200000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
      /dev/sda1: Writing label to sector 1
dev_write to /dev/sda1 offset : 0x200 len : 512
  Physical volume "/dev/sda1" successfully created
      Unlocking /var/lock/lvm/P_orphans
root iop:~# pvdisplay /dev/sda1 -vv
      Setting global/locking_type to 1
      Setting global/locking_dir to /var/lock/lvm
      File-based locking enabled.
    Using physical volume(s) on command line
dev_read from /dev/sda1 offset : 0x0 len : 2048
read label data from /dev/sda1:
4c4142454c4f4e450100000000000000
750a9468200000004c564d3220303031
4c02f2bef4cf0a40050000003b080000
00000000d80c0f400015000005000000
0062af383a0000000000030000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
0010000090ff1440ffffffff005b0700
cc740940ffffffff000000000b000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
000000006c1f1540e0250a4090ff1440
a81c154000b001400000000001000000
d4110a403000000000000000295b0700
2a5b0700d0120a4090ff144084270a40
295b07002f00000000000000ec08f2be
000000006c1f154058f0074000000000
050000000000000044f707408008f2be
4c08f2bea4e5f2ff140af2be06000000
00000000000000000000000000000000
00000000000000000000000000000000
ffffffff300000000e5b07004c08f2be
03000000020000000000000000000000
000000000a0000000000000000000000
00000000000000000000000000000000
00000000000000000000000001000000
00000000200000006400000000000000
      Label checksum incorrect on /dev/sda1 - ignoring
      /dev/sda1: No label detected
  No physical volume label read from /dev/sda1
  Failed to read physical volume "/dev/sda1"
root iop:~# 

-----------------------------
Wyatt Kong (孔晗)
Dahua Security Technology Ltd co.
Phone : +86-0571-28939557
Email : kong_han dahuatech com
-----------------------------





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