[OpenAFS] IPUT Bad refCount 0 on inode 0xf8abadb8 in openafs-1.2.11

[Derrick J Brashear]

On Thu, 28 Oct 2004, Troy Benjegerdes wrote:

> I've had this happen twice now on an SMP machine (debian 2.4.27 kernel,
> 1.2.11 openafs packages from debian sarge)
>
> Is this a known bug that's fixed in a newer version? It looks like an
> SMP race condition to me.
>
> IPUT Bad refCount 0 on inode 0xf8abadb8

The below would be more useful if you ran it through ksymoops.
In particular, nothing about the error message in the line above 
is useful; However, it's not fixed in 1.2.x, and may be fixed in 1.3.x.

> Unable to handle kernel paging request at virtual address ffffffff
> printing eip:
> f8973b10
> *pde = 00004063
> *pte = 00000000
> Oops: 0002
> CPU:    1
> EIP:    0010:[<f8973b10>]    Tainted: PF
> EFLAGS: 00010282
> eax: 00000028   ebx: f8abadb8   ecx: 00000002   edx: 00000001
> esi: f89a0c44   edi: f8ab0c94   ebp: d1e34000   esp: d1e35f18
> ds: 0018   es: 0018   ss: 0018
> Process imapd (pid: 1011, stackpage=d1e35000)
> Stack: f89976c0 00000000 f8abadb8 f8983340 d1e34000 f8ab0c04 f89a0c44 f8980168
>       f89976c0 00000000 f8abadb8 f8983340 cbd5d440 cbd5d440 f8abadb8 c015c93b
>       f8abadb8 f8abadb8 00000000 f8ab0c04 c0153d66 cbd5d440 cbd5d440 cbd5d440
> Call Trace:    [<f89976c0>] [<f8983340>] [<f89a0c44>] [<f8980168>] [<f89976c0>]
>  [<f8983340>] [<c015c93b>] [<c0153d66>] [<c0153f1b>] [<c0108efb>]
>
> Code: c6 05 ff ff ff ff 2a 83 c4 1c c3 90 8d 74 26 00 b8 02 8e 99