XFS segfaulting on xfs_repair

[Marc Boivin <marc.boivin@xxxxxxxxx>]

Hi,

    We’ve been having a hard time with our ifs partition but managed to get it almost back to working conditions. To give you a bit of context we have a LVM sitting on top of 3 RAID 5. The partition is encrypted. We had issues with RAID degradation but now the RAIDs are healthy. 

We ran xfs_repair quite a few times (5 if I’m not mistaken). We are stuck with an error: 

*** glibc detected *** xfs_repair: malloc(): smallbin double linked list corrupted: 0x00007f5dc7642570 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x76d76)[0x7f6149f96d76]
/lib/x86_64-linux-gnu/libc.so.6(+0x7a658)[0x7f6149f9a658]
/lib/x86_64-linux-gnu/libc.so.6(__libc_malloc+0x70)[0x7f6149f9bb90]
xfs_repair[0x42da83]
xfs_repair[0x42db16]
xfs_repair[0x42dd62]
xfs_repair[0x430b74]
xfs_repair[0x4492de]
xfs_repair[0x44e634]
xfs_repair[0x451976]
xfs_repair[0x44c4ba]
xfs_repair[0x41f126]
xfs_repair[0x421e55]
xfs_repair[0x4039d8]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x7f6149f3eead]
xfs_repair[0x403ff9]
======= Memory map: ========
00400000-0047e000 r-xp 00000000 fe:00 1703949                            /sbin/xfs_repair
0067d000-00680000 rw-p 0007d000 fe:00 1703949                            /sbin/xfs_repair
00680000-00681000 rw-p 00000000 00:00 0
01f02000-dbafa000 rw-p 00000000 00:00 0                                  [heap]
7f59bc000000-7f59c03e9000 rw-p 00000000 00:00 0
7f59c03e9000-7f59c4000000 ---p 00000000 00:00 0
7f59c4000000-7f59c8000000 rw-p 00000000 00:00 0
7f59c8000000-7f59c9103000 rw-p 00000000 00:00 0
7f59c9103000-7f59cc000000 ---p 00000000 00:00 0
7f59cc000000-7f59d4000000 rw-p 00000000 00:00 0
7f59d4000000-7f59dc000000 rw-p 00000000 00:00 0
7f59dc000000-7f59e4000000 rw-p 00000000 00:00 0
7f59e4000000-7f59e8000000 rw-p 00000000 00:00 0
7f59e8000000-7f59ec000000 rw-p 00000000 00:00 0
7f59ec000000-7f59f4000000 rw-p 00000000 00:00 0
7f59f4000000-7f59f7fff000 rw-p 00000000 00:00 0
7f59f7fff000-7f59f8000000 ---p 00000000 00:00 0
7f59f8000000-7f59f91ca000 rw-p 00000000 00:00 0
7f59f91ca000-7f59fc000000 ---p 00000000 00:00 0
7f59fc000000-7f59fe063000 rw-p 00000000 00:00 0
7f59fe063000-7f5a00000000 ---p 00000000 00:00 0
7f5a00000000-7f5a04000000 rw-p 00000000 00:00 0
7f5a04000000-7f5a0c000000 rw-p 00000000 00:00 0
7f5a0c000000-7f5a14000000 rw-p 00000000 00:00 0
7f5a14000000-7f5a14b97000 rw-p 00000000 00:00 0
7f5a14b97000-7f5a18000000 ---p 00000000 00:00 0
7f5a18000000-7f5a1c000000 rw-p 00000000 00:00 0
7f5a1c000000-7f5a24000000 rw-p 00000000 00:00 0
7f5a24000000-7f5a28000000 rw-p 00000000 00:00 0
7f5a2c000000-7f5a34000000 rw-p 00000000 00:00 0
7f5a34000000-7f5a3c000000 rw-p 00000000 00:00 0
7f5a40000000-7f5a48000000 rw-p 00000000 00:00 0
7f5a48000000-7f5a50000000 rw-p 00000000 00:00 0
7f5a50000000-7f5a54809000 rw-p 00000000 00:00 0
7f5a54809000-7f5a58000000 ---p 00000000 00:00 0
7f5a58000000-7f5a68000000 rw-p 00000000 00:00 0
7f5a68000000-7f5a7c000000 rw-p 00000000 00:00 0
7f5a80000000-7f5a84000000 rw-p 00000000 00:00 0
7f5a84000000-7f5a8c000000 rw-p 00000000 00:00 0
7f5a8c000000-7f5a94000000 rw-p 00000000 00:00 0
7f5a94000000-7f5a9c000000 rw-p 00000000 00:00 0
7f5aa0000000-7f5aa4000000 rw-p 00000000 00:00 0
7f5aa4000000-7f5aa8000000 rw-p 00000000 00:00 0
7f5aac000000-7f5aaffff000 rw-p 00000000 00:00 0
7f5aaffff000-7f5ab0000000 ---p 00000000 00:00 0
7f5ab0000000-7f5ab4000000 rw-p 00000000 00:00 0
7f5ab4000000-7f5abc000000 rw-p 00000000 00:00 0
7f5abc000000-7f5ac4000000 rw-p 00000000 00:00 0
7f5ac4000000-7f5acc000000 rw-p 00000000 00:00 0
7f5acc000000-7f5acffff000 rw-p 00000000 00:00 0
7f5acffff000-7f5ad0000000 ---p 00000000 00:00 0
7f5ad0000000-7f5ad4000000 rw-p 00000000 00:00 0
7f5ad4000000-7f5adc000000 rw-p 00000000 00:00 0
7f5adc000000-7f5ae4000000 rw-p 00000000 00:00 0
7f5ae8000000-7f5aec000000 rw-p 00000000 00:00 0
7f5aec000000-7f5af0000000 rw-p 00000000 00:00 0
7f5af4000000-7f5af9318000 rw-p 00000000 00:00 0
7f5af9318000-7f5afc000000 ---p 00000000 00:00 0
7f5afc000000-7f5b04000000 rw-p 00000000 00:00 0
7f5b04000000-7f5b0c000000 rw-p 00000000 00:00 0
7f5b0c000000-7f5b14000000 rw-p 00000000 00:00 0
7f5b14000000-7f5b1c000000 rw-p 00000000 00:00 0
7f5b1c000000-7f5b24000000 rw-p 00000000 00:00 0
7f5b24000000-7f5b27fff000 rw-p 00000000 00:00 0
7f5b27fff000-7f5b28000000 ---p 00000000 00:00 0
7f5b28000000-7f5b2bfff000 rw-p 00000000 00:00 0
7f5b2bfff000-7f5b2c000000 ---p 00000000 00:00 0
7f5b2c000000-7f5b30a33000 rw-p 00000000 00:00 0
7f5b30a33000-7f5b34000000 ---p 00000000 00:00 0
7f5b34000000-7f5b3c000000 rw-p 00000000 00:00 0
7f5b3c000000-7f5b44000000 rw-p 00000000 00:00 0
7f5b44000000-7f5b4c000000 rw-p 00000000 00:00 0
7f5b4c000000-7f5b54000000 rw-p 00000000 00:00 0
7f5b54000000-7f5b5c000000 rw-p 00000000 00:00 0
7f5b5c000000-7f5b64000000 rw-p 00000000 00:00 0
7f5b64000000-7f5b68000000 rw-p 00000000 00:00 0
7f5b68000000-7f5b6c000000 rw-p 00000000 00:00 0
7f5b6c000000-7f5b74000000 rw-p 00000000 00:00 0
7f5b74000000-7f5b7c000000 rw-p 00000000 00:00 0
7f5b7c000000-7f5b80000000 rw-p 00000000 00:00 0
7f5b84000000-7f5b8c000000 rw-p 00000000 00:00 0
7f5b8c000000-7f5b94000000 rw-p 00000000 00:00 0
7f5b94000000-7f5b9c000000 rw-p 00000000 00:00 0
7f5b9c000000-7f5ba4000000 rw-p 00000000 00:00 0
7f5ba4000000-7f5bac000000 rw-p 00000000 00:00 0
7f5bac000000-7f5bb4000000 rw-p 00000000 00:00 0
7f5bb4000000-7f5bbc000000 rw-p 00000000 00:00 0
7f5bbc000000-7f5bc4000000 rw-p 00000000 00:00 0
7f5bc4000000-7f5bcbfff000 rw-p 00000000 00:00 0
7f5bcbfff000-7f5bcc000000 ---p 00000000 00:00 0
7f5bcc000000-7f5bd4000000 rw-p 00000000 00:00 0
7f5bd4000000-7f5bdc000000 rw-p 00000000 00:00 0
...
7f5c04000000-7f5c08000000 rw-p 00000000 00:00 0
7f5c08000000-7f5c0bffe000 rw-p 00000000 00:00 0
7f5c0bffe000-7f5c0c000000 ---p 00000000 00:00 0
7f5c0c000000-7f5c10000000 rw-p 00000000 00:00 0
7f5c10000000-7f5c14000000 rw-p 00000000 00:00 0
7f5c14000000-7f5c17fff000 rw-p 00000000 00:00 0
7f5c17fff000-7f5c18000000 ---p 00000000 00:00 0
7f5c18000000-7f5c1c000000 rw-p 00000000 00:00 0
7f5c1c000000-7f5c22964000 rw-p 00000000 00:00 0
7f5c22964000-7f5c24000000 ---p 00000000 00:00 0
7f5c24000000-7f5c2c000000 rw-p 00000000 00:00 0
7f5c2c000000-7f5c34000000 rw-p 00000000 00:00 0
7f5c34000000-7f5c3c000000 rw-p 00000000 00:00 0
7f5c3c000000-7f5c44000000 rw-p 00000000 00:00 0
7f5c44000000-7f5c4c000000 rw-p 00000000 00:00 0
7f5c4c000000-7f5c54000000 rw-p 00000000 00:00 0
7f5c54000000-7f5c5c000000 rw-p 00000000 00:00 0
7f5c5c000000-7f5c64000000 rw-p 00000000 00:00 0
7f5c64000000-7f5c68000000 rw-p 00000000 00:00 0
7f5c68000000-7f5c6c000000 rw-p 00000000 00:00 0
7f5c6c000000-7f5c74000000 rw-p 00000000 00:00 0
7f5c74000000-7f5c78000000 rw-p 00000000 00:00 0
7f5c78000000-7f5c7c000000 rw-p 00000000 00:00 0
7f5c7c000000-7f5c83fff000 rw-p 00000000 00:00 0
7f5c83fff000-7f5c84000000 ---p 00000000 00:00 0
7f5c84000000-7f5c8c000000 rw-p 00000000 00:00 0
7f5c8c000000-7f5c94000000 rw-p 00000000 00:00 0
7f5c94000000-7f5c98000000 rw-p 00000000 00:00 0
7f5c98000000-7f5c9c000000 rw-p 00000000 00:00 0
7f5c9c000000-7f5ca4000000 rw-p 00000000 00:00 0
7f5ca4000000-7f5cac000000 rw-p 00000000 00:00 0
7f5cac000000-7f5cb4000000 rw-p 00000000 00:00 0
7f5cb4000000-7f5cbc000000 rw-p 00000000 00:00 0
7f5cbc000000-7f5cc363d000 rw-p 00000000 00:00 0
7f5cc363d000-7f5cc4000000 ---p 00000000 00:00 0
7f5cc4000000-7f5ccc000000 rw-p 00000000 00:00 0
7f5ccc000000-7f5cd4000000 rw-p 00000000 00:00 0
7f5cd4000000-7f5cd8000000 rw-p 00000000 00:00 0
7f5cd8000000-7f5cdc000000 rw-p 00000000 00:00 0 Abandon

Anything we can do? 

Regards,

Marc

Marc Boivin

Directeur Technologique

418 520-0739, poste 169

marc.boivin@xxxxxxxxx

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