WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer()

WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer()

[Alexander Beregalov]

Hi

I try to run btrfs (Linus's-git + btrfs-unstable) on sparc64:

device fsid 1f5369b18fa4bb4-8268533a4c733861 devid 1 transid 9 /dev/sdb1
------------[ cut here ]------------
WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer+0x134/0x144()
Modules linked in:
Call Trace:
 [000000000045067c] warn_on_slowpath+0x4c/0x6c
 [00000000005e39d0] write_extent_buffer+0x134/0x144
 [00000000005e7ff4] btrfs_read_sys_array+0x4c/0x330
 [00000000005b76a0] open_ctree+0xb3c/0x1250
 [000000000058ce1c] btrfs_get_sb+0x254/0x498
 [00000000004b3a64] vfs_kern_mount+0x44/0xa4
 [00000000004b3b20] do_kern_mount+0x30/0xcc
 [00000000004c8cd8] do_mount+0x78c/0x7d8
 [00000000004e56ec] compat_sys_mount+0x21c/0x26c
 [0000000000406154] linux_sparc_syscall32+0x34/0x40
---[ end trace 5e8d2fdd33a1d24e ]---


Then
I see many indentical messages while running dbench:

Kernel unaligned access at TPC[5b2a98] btrfs_csum_final+0x44/0x50

Re: WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer()

[Chris Mason]

On Fri, 2008-11-21 at 00:50 +0300, Alexander Beregalov wrote:
> Hi
> 
> I try to run btrfs (Linus's-git + btrfs-unstable) on sparc64:
> 

On sparc64, you'll have to set the sectorsize to your page size.  What
is the output from mkfs.btrfs?

-chris

> device fsid 1f5369b18fa4bb4-8268533a4c733861 devid 1 transid 9 /dev/sdb1
> ------------[ cut here ]------------
> WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer+0x134/0x144()
> Modules linked in:
> Call Trace:
>  [000000000045067c] warn_on_slowpath+0x4c/0x6c
>  [00000000005e39d0] write_extent_buffer+0x134/0x144
>  [00000000005e7ff4] btrfs_read_sys_array+0x4c/0x330
>  [00000000005b76a0] open_ctree+0xb3c/0x1250
>  [000000000058ce1c] btrfs_get_sb+0x254/0x498
>  [00000000004b3a64] vfs_kern_mount+0x44/0xa4
>  [00000000004b3b20] do_kern_mount+0x30/0xcc
>  [00000000004c8cd8] do_mount+0x78c/0x7d8
>  [00000000004e56ec] compat_sys_mount+0x21c/0x26c
>  [0000000000406154] linux_sparc_syscall32+0x34/0x40
> ---[ end trace 5e8d2fdd33a1d24e ]---
> 
> 
> Then
> I see many indentical messages while running dbench:
> 
> Kernel unaligned access at TPC[5b2a98] btrfs_csum_final+0x44/0x50
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Re: WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer()

[Alexander Beregalov]

2008/11/21 Chris Mason <chris.mason@oracle.com>:
> On Fri, 2008-11-21 at 00:50 +0300, Alexander Beregalov wrote:
>> Hi
>>
>> I try to run btrfs (Linus's-git + btrfs-unstable) on sparc64:
>>
>
> On sparc64, you'll have to set the sectorsize to your page size.  What
> is the output from mkfs.btrfs?

fs created label (null) on /dev/sdb1
        nodesize 8192 leafsize 8192 sectorsize 8192 size 19.00GB
Btrfs v0.16-20-g49bc666


Page size is 8kb

Re: WARNING: at fs/btrfs/extent_io.c:3546 write_extent_buffer()

[Alexander Beregalov]

2008/11/21 Alexander Beregalov <a.beregalov@gmail.com>:
> 2008/11/21 Chris Mason <chris.mason@oracle.com>:
>> On Fri, 2008-11-21 at 00:50 +0300, Alexander Beregalov wrote:
>>> Hi
>>>
>>> I try to run btrfs (Linus's-git + btrfs-unstable) on sparc64:
>>>
>>
>> On sparc64, you'll have to set the sectorsize to your page size. =C2=
=A0What
>> is the output from mkfs.btrfs?
>
> fs created label (null) on /dev/sdb1
> =C2=A0 =C2=A0 =C2=A0 =C2=A0nodesize 8192 leafsize 8192 sectorsize 819=
2 size 19.00GB
> Btrfs v0.16-20-g49bc666
>
>
> Page size is 8kb
>

Hi Chris

The warning still persists
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