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Have you tested and found the latest 2.6.22 kernel (post rev. 280):
a) Successful on the LSPro/Live (full distro boot). 42%  42%  [ 11 ]
b) Unsuccessful on the LSPro/Live. 12%  12%  [ 3 ]
c) Successful on the Kurobox Pro (full distro boot). 15%  15%  [ 4 ]
d) Unsuccessful on the Kurobox Pro. 0%  0%  [ 0 ]
e) Successful on the Terastation Pro v2. 0%  0%  [ 0 ]
f) Unsuccessful on the Terastation Pro v2. 0%  0%  [ 0 ]
g) Have no idea how to build the kernel. :-) 31%  31%  [ 8 ]
Total votes: 26
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PostPosted: Fri Aug 03, 2007 10:19 am 
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jonli447 wrote:
@luca, I'll look at the xfs a bit more tomorrow. You may be right though, that this is an incorrect magic issue.

I don't think it's an incorrect magic issue, I think that the block number is bogus (hence the incorrect magic, which is the problem that xfs reports). Where this bogusness comes from, I don't know, but I think it could bite you even for a freshly created filesystem, or eventually for other filesystem types.

Quote:
The original code did mess with the offsets a bit (I think by +1), anyhow, we'll see.

I diffed vanilla 2.6.12.6 and 2.6.12_lsp.1.7.8 and there's no difference in the xfs code (except for an extra, commented oud, printk). There is an extra magic (which, as you say, is one more than the standard one) for ext2/ext3, but that's the magic for the superblock (while the magic that xfs complains about is the magic of a block) and it doesn't affect xfs.


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PostPosted: Fri Aug 03, 2007 12:38 pm 
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I have a little question about the goal of the kernel : Is it to make a kernel 100% compatible with the "stock" LS pro kernel or to make a kernel that could go into the vanilla kernel ?

My feeling is that it's a mix of both solutions (ie : make some drivers that may be merged in the vanilla kernel and keep
buffalo's specific stuff to keep 100% compatibility with buffalo's kernel). This would means that, when the Marvell drivers will be merged into the vanilla kernel, we will have to apply a patch to enable the buffalo's specific parts (MICON V2 & co).

Could you tell me if I'm right or wrong ? :D
Sylver

_________________
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PostPosted: Fri Aug 03, 2007 1:15 pm 
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@luca, tbh, you gotta tough little bug, that places "hide -n- seek". :) The only real way to truly get this down, is to verify the behavior on both "freshly" formatted hdd's (includes deleting the partition tables completely) as well as checking the entire older boxes. The best way to really check, is to then run dd to grab all the bytes of sda2. I'll admit, I'm a bit stumped, as I'm still unable to come across anything resembling your problem.

Here's something you can do for me however, since you are not in a position to format sda2. Can you at least give me a) the type of drive, and b) the distro you are using, and c) what versions of the kernel you have tried. It'll give me (or another) a better way to retrace your steps.

@Sylver - the goal is really to get the kernel vanilla ready, similar to lyakh's patches for the ppc linkstations/kuros. lb_worm, is currently rewriting much of the buffalo software, including the micon v2 software, in order for it to be mainline ready (still in alpha stage, he has not released the code yet). Such "Buffalo" code will become board specific objects (i.e. linkstation_cont.c, something like that).

Of course, re-doing the buffalo software will take some time, and until that is ready, we of course will just use what buffalo has provided. The current philosophy however, is to remove as much Buffalo code as possible from the "vanilla" kernel, and to keep the Buffalo code limited to drivers/buffalo as much as possible. You'll notice, that much of the Buffalo/Marvell code has been stripped, though much work has been put forward to make sure the kernel still "works". :-P Hope this helps to clarify.

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PostPosted: Fri Aug 03, 2007 1:48 pm 
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jonli447 wrote:
The best way to really check, is to then run dd to grab all the bytes of sda2.

Well, that's how I'm trying to debug the partition with xfs_db, I don't like to mess with the live partition of my web/mail/ldap/storage server ;-)
Quote:
I'll admit, I'm a bit stumped, as I'm still unable to come across anything resembling your problem.

I understand that, however I still think there's something iffy here which could bite us in the back when we least expect it

Quote:
Here's something you can do for me however, since you are not in a position to format sda2. Can you at least give me a) the type of drive, and b) the distro you are using, and c) what versions of the kernel you have tried. It'll give me (or another) a better way to retrace your steps.


the drive
Code:
Intergrated Sata device found
scsi0 : Marvell SCSI to SATA adapter
scsi1 : Marvell SCSI to SATA adapter
  Vendor: SAMSUNG   Model: SP2504C           Rev: VT10
  Type:   Direct-Access                      ANSI SCSI revision: 03
SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
SCSI device sda: drive cache: write back
 sda: sda1 sda2 sda4 < sda5 sda6 >
Attached scsi disk sda at scsi1, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0,  type 0


The distro is freelink, the partitions have been resized using this tutorial (more or less). The current partitions are as follows:

Code:
Disk /dev/sda: 250.0 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1          25      200781   83  Linux
/dev/sda2              26         391     2939895   83  Linux
/dev/sda4             392       30401   241055325    5  Extended
/dev/sda5             392         428      297171   82  Linux swap / Solaris
/dev/sda6             429       30401   240758091   83  Linux


The kernels I tried are only the one that came with freelink, my own kernel (same as the one from freelink but basically using the stock config, cross compiled with the 2005q3-2 codesourcery cross toolchain), then I tried lb_worm's 2.6.22, 2.6.21 and yours, all with the same result, so I didn't really use them.


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PostPosted: Fri Aug 03, 2007 3:21 pm 
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Now, for your testing pleasure ;-), I prepared a "sanitized" image that exhibits the problem. The image has been prepared by mounting the sda2 image, removing everything except sbin, then fill the free space with zero (so I don't leave there any sensitive information and the image is highly compressible, from 3Gbytes down to 3Mbytes).
The problem doesn't depend on the disk, because I tested it by mounting the image over nfs:

Code:
login[585]: root login  on `ttyS0'

sh-2.05b# ifconfig eth0 192.168.10.5 up
sh-2.05b#pwd
/root
sh-2.05b# mkdir remote
sh-2.05b# mkdir mnt
sh-2.05b# mount -t nfs -o nolock 192.168.10.30:/home/luca/lspro remote
sh-2.05b# mknod /dev/loop0 b 7 0
sh-2.05b# mount -t xfs -o loop remote/sda2-sanitized.img mnt
Filesystem "loop0": Disabling barriers, not supported by the underlying device
XFS mounting filesystem loop0
sh-2.05b# ls mnt
sbin
sh-2.05b# ls mnt/sbin
0x0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Filesystem "loop0": XFS internal error xfs_da_do_buf(2) at line 2086 of file fs/xfs/xfs_da_btree.c.  Caller 0xc0160380
[<c00277b0>] (dump_stack+0x0/0x14) from [<c016c224>] (xfs_error_report+0x54/0x64)
[<c016c1d0>] (xfs_error_report+0x0/0x64) from [<c016c290>] (xfs_corruption_error+0x5c/0x68)
[<c016c234>] (xfs_corruption_error+0x0/0x68) from [<c01601b8>] (xfs_da_do_buf+0x590/0x6c4)
 r6:c0160380 r5:00000000 r4:c7d9c438
[<c015fc28>] (xfs_da_do_buf+0x0/0x6c4) from [<c0160380>] (xfs_da_read_buf+0x34/0x3c)
[<c016034c>] (xfs_da_read_buf+0x0/0x3c) from [<c0166674>] (xfs_dir2_leaf_getdents+0x4c4/0x8fc)
[<c01661b0>] (xfs_dir2_leaf_getdents+0x0/0x8fc) from [<c0162928>] (xfs_dir_getdents+0x108/0x138)
[<c0162820>] (xfs_dir_getdents+0x0/0x138) from [<c01904e0>] (xfs_readdir+0x64/0x7c)
[<c019047c>] (xfs_readdir+0x0/0x7c) from [<c019ba04>] (xfs_file_readdir+0x10c/0x25c)
 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
[<c019b8f8>] (xfs_file_readdir+0x0/0x25c) from [<c00939fc>] (vfs_readdir+0x70/0xa4)
[<c009398c>] (vfs_readdir+0x0/0xa4) from [<c0093a9c>] (sys_getdents64+0x6c/0xc0)
 r8:c0023774 r7:c0536da0 r6:00001000 r5:000800d0 r4:00000000
[<c0093a30>] (sys_getdents64+0x0/0xc0) from [<c0022f80>] (ret_fast_syscall+0x0/0x2c)
 r7:000000d9 r6:000800b0 r5:00000000 r4:000800b0
sh-2.05b#


note that I had to recompile the kernel with nfs support built in, since there's no insmod in EM mode..

Of course the same image under 2.6.12 (and on my i386 laptop) has no problem.

@jonli447, as I said the image is 3Mbytes (beware, it expands to 3Gbytes), where should I send it?


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PostPosted: Fri Aug 03, 2007 3:26 pm 
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can`t you post it directly here?

i don`t know if there is a limit for file posting though...

EDIT: upload it here. i granted your user the permissions for uploading files in the developers-corner. limit is 5 MB.

_________________
LS1 (2.6 kernel, foonas svn1062, 750 GB, UBoot 1.2) & LS Pro (FreeLink/jtymod/GenLink, changes all the time)
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PostPosted: Fri Aug 03, 2007 3:45 pm 
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mindbender wrote:
can`t you post it directly here?

I'd prefer to send it directly to jonli477, lb_worm or you: I'm not 100% sure that all sensitive information is gone or there's something still there.


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PostPosted: Fri Aug 03, 2007 3:53 pm 
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kk. i enabled attaching files in PMs as well for you.

send it to jonli447

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Thx to all donators!


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PostPosted: Fri Aug 03, 2007 4:13 pm 
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mmh, extension bz2 not allowed, it doesn't matter anyway: I sent him a link so he can download it directly from my lspro ;-)


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PostPosted: Fri Aug 03, 2007 6:17 pm 
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You could just change the extention and let him know in the text that he need to change it back to bz2. I am pretty sure zip one of the allowed extensions or jpeg.

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PostPosted: Fri Aug 03, 2007 7:34 pm 
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The only similar issue (apparently difficult to reproduce and unsolved) I could find is
(it's the same thread, but threading is broken on that archive, on each subthread you can read the follow ups either with the top right "next in thread" link or with the bottom "current thread" box).


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PostPosted: Fri Aug 03, 2007 11:13 pm 
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FWIW I installed on my laptop kernel 2.6.20.14 (distro patched) and 2.6.21.5 (vanilla) and with both had no problem listing sbin in that image. (I tried those 2 because they're already packaged, so it was a relatively quick test).


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PostPosted: Sat Aug 04, 2007 11:13 am 
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I am back :) Back to Japan and forgot my ethernet card for the laptop. Down to akiba and 2000Yen later I am back on-line.

@jon: Have not forgotten the kernel, will try and upload soon. Only have my Kuro with me but I have set it up now for kernel builds; built new one okay. Will try and follow some of this new postings and update soon.

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PostPosted: Sat Aug 04, 2007 1:42 pm 
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side not here, got the 2.6.22 kernel running on my kuropro :). Just copied my LS-GL uimage onto it and boot'd no probs.

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PostPosted: Sat Aug 04, 2007 11:40 pm 
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Alas, I got some XFS panic and had to umount /mnt/disk1
Code:
0x0: c4 b1 c5 9f 20 c4 b0 48 52 41 c3 87 3a 20 25 73
Filesystem "sda6": XFS internal error xfs_da_do_buf(2) at line 2086 of file fs/xfs/xfs_da_btree.c.  Caller 0xc012dc4c
[<c00277b0>] (dump_stack+0x0/0x14) from [<c0139af0>] (xfs_error_report+0x54/0x64)
[<c0139a9c>] (xfs_error_report+0x0/0x64) from [<c0139b5c>] (xfs_corruption_error+0x5c/0x68)
[<c0139b00>] (xfs_corruption_error+0x0/0x68) from [<c012da84>] (xfs_da_do_buf+0x590/0x6c4)
 r6:c012dc4c r5:00000000 r4:c2800418
[<c012d4f4>] (xfs_da_do_buf+0x0/0x6c4) from [<c012dc4c>] (xfs_da_read_buf+0x34/0x3c)
[<c012dc18>] (xfs_da_read_buf+0x0/0x3c) from [<c0133f40>] (xfs_dir2_leaf_getdents+0x4c4/0x8fc)
[<c0133a7c>] (xfs_dir2_leaf_getdents+0x0/0x8fc) from [<c01301f4>] (xfs_dir_getdents+0x108/0x138)
[<c01300ec>] (xfs_dir_getdents+0x0/0x138) from [<c015dd44>] (xfs_readdir+0x64/0x7c)
[<c015dce0>] (xfs_readdir+0x0/0x7c) from [<c0169268>] (xfs_file_readdir+0x10c/0x25c)
 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
[<c016915c>] (xfs_file_readdir+0x0/0x25c) from [<c00939fc>] (vfs_readdir+0x70/0xa4)
[<c009398c>] (vfs_readdir+0x0/0xa4) from [<c0093a9c>] (sys_getdents64+0x6c/0xc0)
 r8:c0023774 r7:c6490580 r6:00001000 r5:0002f3a8 r4:00000000
[<c0093a30>] (sys_getdents64+0x0/0xc0) from [<c0022f80>] (ret_fast_syscall+0x0/0x2c)
 r7:000000d9 r6:4012f06c r5:00022ce8 r4:0002f378
0x0: 69 6b 20 74 61 6e fd 74 fd 63 fd 00 60 25 73 27
Filesystem "sda6": XFS internal error xfs_da_do_buf(2) at line 2086 of file fs/xfs/xfs_da_btree.c.  Caller 0xc012dc4c
[<c00277b0>] (dump_stack+0x0/0x14) from [<c0139af0>] (xfs_error_report+0x54/0x64)
[<c0139a9c>] (xfs_error_report+0x0/0x64) from [<c0139b5c>] (xfs_corruption_error+0x5c/0x68)
[<c0139b00>] (xfs_corruption_error+0x0/0x68) from [<c012da84>] (xfs_da_do_buf+0x590/0x6c4)
 r6:c012dc4c r5:00000000 r4:c2800418
[<c012d4f4>] (xfs_da_do_buf+0x0/0x6c4) from [<c012dc4c>] (xfs_da_read_buf+0x34/0x3c)
[<c012dc18>] (xfs_da_read_buf+0x0/0x3c) from [<c0133f40>] (xfs_dir2_leaf_getdents+0x4c4/0x8fc)
[<c0133a7c>] (xfs_dir2_leaf_getdents+0x0/0x8fc) from [<c01301f4>] (xfs_dir_getdents+0x108/0x138)
[<c01300ec>] (xfs_dir_getdents+0x0/0x138) from [<c015dd44>] (xfs_readdir+0x64/0x7c)
[<c015dce0>] (xfs_readdir+0x0/0x7c) from [<c0169268>] (xfs_file_readdir+0x10c/0x25c)
 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
[<c016915c>] (xfs_file_readdir+0x0/0x25c) from [<c00939fc>] (vfs_readdir+0x70/0xa4)
[<c009398c>] (vfs_readdir+0x0/0xa4) from [<c0093a9c>] (sys_getdents64+0x6c/0xc0)
 r8:c0023774 r7:c4a88b60 r6:00001000 r5:0002f3a8 r4:00000000
[<c0093a30>] (sys_getdents64+0x0/0xc0) from [<c0022f80>] (ret_fast_syscall+0x0/0x2c)
 r7:000000d9 r6:4012f06c r5:00022ce8 r4:0002f378
0x0: 3d 93 cd cc ec 14 c6 32 f2 5a cc c0 02 d9 33 d9
Filesystem "sda6": XFS internal error xfs_da_do_buf(2) at line 2086 of file fs/xfs/xfs_da_btree.c.  Caller 0xc012dc4c
[<c00277b0>] (dump_stack+0x0/0x14) from [<c0139af0>] (xfs_error_report+0x54/0x64)
[<c0139a9c>] (xfs_error_report+0x0/0x64) from [<c0139b5c>] (xfs_corruption_error+0x5c/0x68)
[<c0139b00>] (xfs_corruption_error+0x0/0x68) from [<c012da84>] (xfs_da_do_buf+0x590/0x6c4)
 r6:c012dc4c r5:00000000 r4:c2800418
[<c012d4f4>] (xfs_da_do_buf+0x0/0x6c4) from [<c012dc4c>] (xfs_da_read_buf+0x34/0x3c)
[<c012dc18>] (xfs_da_read_buf+0x0/0x3c) from [<c0133f40>] (xfs_dir2_leaf_getdents+0x4c4/0x8fc)
[<c0133a7c>] (xfs_dir2_leaf_getdents+0x0/0x8fc) from [<c01301f4>] (xfs_dir_getdents+0x108/0x138)
[<c01300ec>] (xfs_dir_getdents+0x0/0x138) from [<c015dd44>] (xfs_readdir+0x64/0x7c)
[<c015dce0>] (xfs_readdir+0x0/0x7c) from [<c0169268>] (xfs_file_readdir+0x10c/0x25c)
 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
[<c016915c>] (xfs_file_readdir+0x0/0x25c) from [<c00939fc>] (vfs_readdir+0x70/0xa4)
[<c009398c>] (vfs_readdir+0x0/0xa4) from [<c0093a9c>] (sys_getdents64+0x6c/0xc0)
 r8:c0023774 r7:c4ba0720 r6:00001000 r5:0002f3a8 r4:00000000
[<c0093a30>] (sys_getdents64+0x0/0xc0) from [<c0022f80>] (ret_fast_syscall+0x0/0x2c)
 r7:000000d9 r6:4012f06c r5:00022ce8 r4:0002f378
0x0: 13 17 c7 c6 a4 26 87 94 95 4d 36 36 57 10 bb 7c
Filesystem "sda6": XFS internal error xfs_da_do_buf(2) at line 2086 of file fs/xfs/xfs_da_btree.c.  Caller 0xc012dc4c
[<c00277b0>] (dump_stack+0x0/0x14) from [<c0139af0>] (xfs_error_report+0x54/0x64)
[<c0139a9c>] (xfs_error_report+0x0/0x64) from [<c0139b5c>] (xfs_corruption_error+0x5c/0x68)
[<c0139b00>] (xfs_corruption_error+0x0/0x68) from [<c012da84>] (xfs_da_do_buf+0x590/0x6c4)
 r6:c012dc4c r5:00000000 r4:c2800418
[<c012d4f4>] (xfs_da_do_buf+0x0/0x6c4) from [<c012dc4c>] (xfs_da_read_buf+0x34/0x3c)
[<c012dc18>] (xfs_da_read_buf+0x0/0x3c) from [<c0133f40>] (xfs_dir2_leaf_getdents+0x4c4/0x8fc)
[<c0133a7c>] (xfs_dir2_leaf_getdents+0x0/0x8fc) from [<c01301f4>] (xfs_dir_getdents+0x108/0x138)
[<c01300ec>] (xfs_dir_getdents+0x0/0x138) from [<c015dd44>] (xfs_readdir+0x64/0x7c)
[<c015dce0>] (xfs_readdir+0x0/0x7c) from [<c0169268>] (xfs_file_readdir+0x10c/0x25c)
 r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
[<c016915c>] (xfs_file_readdir+0x0/0x25c) from [<c00939fc>] (vfs_readdir+0x70/0xa4)
[<c009398c>] (vfs_readdir+0x0/0xa4) from [<c0093a9c>] (sys_getdents64+0x6c/0xc0)
 r8:c0023774 r7:c6490580 r6:00001000 r5:0002f3a8 r4:00000000
[<c0093a30>] (sys_getdents64+0x0/0xc0) from [<c0022f80>] (ret_fast_syscall+0x0/0x2c)
 r7:000000d9 r6:4012f06c r5:00022ce8 r4:0002f378
XFS internal error XFS_WANT_CORRUPTED_GOTO at line 1563 of file fs/xfs/xfs_alloc.c.  Caller 0xc01111b0
[<c00277b0>] (dump_stack+0x0/0x14) from [<c0139af0>] (xfs_error_report+0x54/0x64)
[<c0139a9c>] (xfs_error_report+0x0/0x64) from [<c01105d4>] (xfs_free_ag_extent+0xec/0x76c)
[<c01104e8>] (xfs_free_ag_extent+0x0/0x76c) from [<c01111b0>] (xfs_free_extent+0xa0/0xbc)
[<c0111110>] (xfs_free_extent+0x0/0xbc) from [<c011c200>] (xfs_bmap_finish+0xec/0x184)
 r7:c3f47ab8 r6:00000000 r5:000357b8 r4:c4776438
[<c011c114>] (xfs_bmap_finish+0x0/0x184) from [<c0143278>] (xfs_itruncate_finish+0x1fc/0x358)
[<c014307c>] (xfs_itruncate_finish+0x0/0x358) from [<c015d8fc>] (xfs_inactive_free_eofblocks+0x1e4/0x228)
[<c015d718>] (xfs_inactive_free_eofblocks+0x0/0x228) from [<c0161df0>] (xfs_inactive+0x174/0x4c0)
[<c0161c7c>] (xfs_inactive+0x0/0x4c0) from [<c016ea90>] (xfs_fs_clear_inode+0x68/0xb8)
 r8:00000000 r7:c16c5ed0 r6:00000014 r5:c3b6e440 r4:c3b6e458
[<c016ea28>] (xfs_fs_clear_inode+0x0/0xb8) from [<c009af3c>] (clear_inode+0x90/0xec)
 r5:c3b6e460 r4:c3b6e458
[<c009aeac>] (clear_inode+0x0/0xec) from [<c009b274>] (dispose_list+0x68/0xe8)
 r4:c3b6e458
[<c009b20c>] (dispose_list+0x0/0xe8) from [<c009b4c8>] (shrink_icache_memory+0x1d4/0x218)
[<c009b2f4>] (shrink_icache_memory+0x0/0x218) from [<c0071700>] (shrink_slab+0xe8/0x170)
[<c0071618>] (shrink_slab+0x0/0x170) from [<c0071b30>] (kswapd+0x2d0/0x3f4)
[<c0071860>] (kswapd+0x0/0x3f4) from [<c0059004>] (kthread+0x5c/0x94)
[<c0058fa8>] (kthread+0x0/0x94) from [<c004869c>] (do_exit+0x0/0x7c4)
 r6:00000000 r5:00000000 r4:00000000
xfs_force_shutdown(sda6,0x8) called from line 4258 of file fs/xfs/xfs_bmap.c.  Return address = 0xc016f480
Filesystem "sda6": Corruption of in-memory data detected.  Shutting down filesystem: sda6
Please umount the filesystem, and rectify the problem(s)
xfs_force_shutdown(sda6,0x1) called from line 423 of file fs/xfs/xfs_rw.c.  Return address = 0xc016f480
XFS mounting filesystem sda6
Starting XFS recovery on filesystem: sda6 (logdev: internal)
Ending XFS recovery on filesystem: sda6 (logdev: internal)


This is with the Freelink distribution. I've never had corruption issues prior. I will reformat with a fresh filesystem once I recover what I can. xfs_repair segfaults on me.


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