[OpenAFS-devel] Re: [CSL #301175] openafs-1.4.1 kernel panics

[Joe Buehler]

thomas@cs.wisc.edu wrote:

> The 2.4.21 kernel host is a mail server, dual Xeon with 8GB of memory.
> The messages are:
> 
> afs_osi_Alloc: Can't vmalloc 4524 bytes.
> crget: No more memory for creds!
> Unable to handle kernel NULL pointer dereference at virtual
> address 00000000

We have been seeing the same problem since installing 1.4.1 on RedHat 9
machines running 2.4.20-35.9smp.  I would appreciate any help in fixing
this -- it takes down the cluster that has all our RW-only volumes
on it.

May 26 00:05:38 brain kernel: afs_osi_Alloc: Can't vmalloc 4524 bytes.
May 26 00:05:38 brain kernel: crget: No more memory for creds!
May 26 00:05:38 brain kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000
May 26 00:05:38 brain kernel:  printing eip:
May 26 00:05:38 brain kernel: f9004940
May 26 00:05:38 brain kernel: *pde = 00000000
May 26 00:05:38 brain kernel: Oops: 0002
May 26 00:05:38 brain kernel: smbfs nfsd nfs lockd sunrpc lp parport drbd libafs-2.4.20-35.9smp.mp autofs e1000 e100 bonding3
bonding2 bonding1 bonding ipt_state ip_conntrack iptable_filte
May 26 00:05:38 brain kernel: CPU:    1
May 26 00:05:38 brain kernel: EIP:    0060:[<f9004940>]    Tainted: PF
May 26 00:05:38 brain kernel: EFLAGS: 00010282
May 26 00:05:38 brain kernel:
May 26 00:05:38 brain kernel: EIP is at osi_Panic [libafs-2.4.20-35.9smp.mp] 0x20 (2.4.20-35.9smp)
May 26 00:05:38 brain kernel: eax: 00000021   ebx: cf01e000   ecx: 00000001   edx: f61e4000
May 26 00:05:38 brain kernel: esi: f226901e   edi: 00000000   ebp: f903fda0   esp: cf01fe50
May 26 00:05:38 brain kernel: ds: 0068   es: 0068   ss: 0068
May 26 00:05:38 brain kernel: Process cfservd (pid: 4001, stackpage=cf01f000)
May 26 00:05:38 brain kernel: Stack: f902aba0 442c32c1 00000292 442c32c1 000007d9 00000001 00000001 f900f7a4
May 26 00:05:38 brain kernel:        f902aba0 442c32c1 00000292 442c32c1 cf01e000 cf01e000 cf01e000 f900f85f
May 26 00:05:38 brain kernel:        00000001 00000001 f226901e f9015c77 c03d5c00 f4489d80 cd8f36ec cf01e000
May 26 00:05:38 brain kernel: Call Trace:   [<f902aba0>] .rodata.str1.32 [libafs-2.4.20-35.9smp.mp] 0x5160 (0xcf01fe50))
May 26 00:05:38 brain kernel: [<f900f7a4>] crget [libafs-2.4.20-35.9smp.mp] 0xe4 (0xcf01fe6c))
May 26 00:05:38 brain kernel: [<f902aba0>] .rodata.str1.32 [libafs-2.4.20-35.9smp.mp] 0x5160 (0xcf01fe70))
May 26 00:05:38 brain kernel: [<f900f85f>] crref [libafs-2.4.20-35.9smp.mp] 0xf (0xcf01fe8c))
May 26 00:05:38 brain kernel: [<f9015c77>] afs_linux_permission [libafs-2.4.20-35.9smp.mp] 0x17 (0xcf01fe9c))
May 26 00:05:38 brain kernel: [<c015fbdf>] permission [kernel] 0x4f (0xcf01febc))
May 26 00:05:38 brain kernel: [<f9014840>] afs_linux_lookup [libafs-2.4.20-35.9smp.mp] 0x0 (0xcf01fec8))
May 26 00:05:38 brain kernel: [<c01600a6>] link_path_walk [kernel] 0x76 (0xcf01fecc))
May 26 00:05:38 brain kernel: [<c01609d9>] path_lookup [kernel] 0x39 (0xcf01ff0c))
May 26 00:05:38 brain kernel: [<c0160d29>] __user_walk [kernel] 0x49 (0xcf01ff1c))
May 26 00:05:38 brain kernel: [<c015beaf>] vfs_lstat [kernel] 0x1f (0xcf01ff38))
May 26 00:05:38 brain kernel: [<c0208ff7>] sys_recv [kernel] 0x37 (0xcf01ff64))
May 26 00:05:38 brain kernel: [<c015c50b>] sys_lstat64 [kernel] 0x1b (0xcf01ff70))
May 26 00:05:38 brain kernel: [<c0209788>] sys_socketcall [kernel] 0x168 (0xcf01ff80))
May 26 00:05:38 brain kernel: [<c012854f>] sys_time [kernel] 0x1f (0xcf01ffa4))
May 26 00:05:38 brain kernel: [<c01098cf>] system_call [kernel] 0x33 (0xcf01ffc0))
May 26 00:05:38 brain kernel:
May 26 00:05:38 brain kernel:
May 26 00:05:38 brain kernel: Code: c6 05 00 00 00 00 00 83 c4 1c c3 90 8d 74 26 00 b8 aa cb 02
-- 
Joe Buehler