<br>The patch failed to fix the panic..<br>
<br>
subnetmgr5 login: ib_at: ib_dev_ats_op: dev (c0449800) ib0 already has pending op 2<br>
Unable to handle kernel NULL pointer dereference at virtual address 00000068<br>
printing eip:<br>
c02fee65<br>
*pde = 365a7001<br>
Oops: 0000 [#1]<br>
SMP<br>
Modules linked in: nfsd exportfs lockd autofs4 sunrpc uhci_hcd ehci_hcd hw_random e1000 ext3 jbd sd_mod<br>
CPU: 0<br>
EIP: 0060:[<c02fee65>] Not tainted VLI<br>
EFLAGS: 00010086 (2.6.13)<br>
EIP is at _spin_lock_irqsave+0xa/0x51<br>
eax: 00000064 ebx: 00000286 ecx: f665de6c edx: c037bcd0<br>
esi: 00000064 edi: 00000064 ebp: 00000000 esp: f665de00<br>
ds: 007b es: 007b ss: 0068<br>
Process lt-ucmpost (pid: 3749, threadinfo=f665c000 task=f6478020)<br>
Stack: c01410ed 00000001 00000000 c037bcd0 c0272f87 00000000 000000d0 f665deac<br>
f67abe80 c027f14c c035ef80 c17f8ec0 f665de6c 0c300000 00000064 f665deac<br>
f67abe80 c0284cfa 00000000 0c300000 00000064 000000d0 c02847b8 f67abe80<br>
Call Trace:<br>
[<c01410ed>] __alloc_pages+0x324/0x3f1<br>
[<c0272f87>] ib_get_client_data+0x14/0x54<br>
[<c027f14c>] ib_sa_path_rec_get+0x1b/0x138<br>
[<c0284cfa>] resolve_path+0x8c/0x15b<br>
[<c02847b8>] path_req_complete+0x0/0xf7<br>
[<c02b510e>] rtnetlink_dump_all+0x0/0x9e<br>
[<c02b525e>] rtnetlink_done+0x0/0x3<br>
[<c02851b1>] ib_at_paths_by_route+0xf5/0x10f<br>
[<c02842b3>] same_path_req+0x0/0x95<br>
[<c0285cdd>] ib_uat_paths_by_route+0xef/0x1c4<br>
[<c02b510e>] rtnetlink_dump_all+0x0/0x9e<br>
<br>
<br>
<br>
<br><div><span class="gmail_quote"><br>
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br><br><br><br>---------- Forwarded message ----------<br>From: Sean Hefty <<a href="mailto:mshefty@ichips.intel.com">
mshefty@ichips.intel.com</a>><br>To: Hal Rosenstock <<a href="mailto:halr@voltaire.com">halr@voltaire.com</a>><br>Date: Thu, 01 Sep 2005 09:04:37 -0700<br>Subject: Re: [openib-general] kernel oops<br>Hal Rosenstock wrote:
<br>> Here's a patch for this. Let me know if it works. [I tried it out and it<br>> works for me.] If it does, the next question is how does the pointer get<br>> trashed.<br><br>I don't think that the pointer is getting trashed. The SA was not running, so I
<br>don't think that any route was returned.<br><br>- Sean<br><br><br></blockquote></div><br>