[openib-general] wiki update - howto for Chelsio's T3 RNIC

[Louis Laborde]

Steve Wise wrote:
> All,
> 
> I added a quick "how to" on the wiki for the Chelsio T3 rnic...
> 
> Steve.
> 
> 
> 
> _______________________________________________
> openib-general mailing list
> openib-general at openib.org
> http://openib.org/mailman/listinfo/openib-general
> 
> To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
> 

Steve,

I am trying to bring up Chelsio T3 rnic on IA64 platform following
your "how to".

Everything went fine (svn checkout, patching, building, rebooting)
until I tried to load iw_cxgb3.

Any idea?

Thanks,
Louis

+---------------------------------------------------------+
| Louis LABORDE              e-mail: louis.laborde at hp.com |
| HP Cupertino SISL          phone:        (408) 447-3649 |
+---------------------------------------------------------+


[root at iblp0044 ~]# modprobe iw_cxgb3
Segmentation fault

[root at iblp0044 ~]# dmesg
...
<snip>
...
eth2: Chelsio T320 2x10000BaseX RNIC (rev 0) PCI-X 133MHz/64-bit MSI-X
eth2: 128MB CM, 256MB PMTX, 256MB PMRX
eth3: Chelsio T320 2x10000BaseX RNIC (rev 0) PCI-X 133MHz/64-bit MSI-X
Unable to handle kernel paging request at virtual address 0000000000248000
modprobe[3348]: Oops 8804682956800 [1]
Modules linked in: iw_cxgb3 cxgb3c ib_umad ib_ucm ib_uverbs ib_sa ib_cm ib_mad ib_core cxgb3

Pid: 3348, CPU 0, comm:             modprobe
psr : 00001010081a6018 ifs : 8000000000000183 ip  : [<a0000001003148e0>]    Not tainted
ip is at memset+0x240/0x420
unat: 0000000000000000 pfs : 0000000000000593 rsc : 0000000000000003
rnat: 0000002080000000 bsps: ffffffff80000000 pr  : 0000000005550519
ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70433f
csd : 0000000000000000 ssd : 0000000000000000
b0  : a00000020022f540 b6  : a0000002000d44e0 b7  : a0000002000b9f00
f6  : 1003e0000000000000000 f7  : 1003e6db6db6db6db6db7
f8  : 1003e00000000071b5ed6 f9  : 1003e0000000000000000
f10 : 1003e0000000000020000 f11 : 1003e0000000000000000
r1  : a000000100c80920 r2  : e0000040f98034f8 r3  : a000000100a99f98
r8  : 0000000000248000 r9  : 6db6db6db6db6db7 r10 : 00000000071b5ed6
r11 : 0000000038daf6b0 r12 : e000004043897e30 r13 : e000004043890000
r14 : e0000040f98034f8 r15 : 00000040fa3e8000 r16 : a000000200248000
r17 : a0007fffc7200000 r18 : a000000100a9c220 r19 : a000000100a9c220
r20 : 00000040fffb8000 r21 : 0000000000000010 r22 : 0000000000000800
r23 : 0000000000000007 r24 : 0000000000248000 r25 : 00000040fc020000
r26 : a000000202248000 r27 : 0000000000248010 r28 : 0000000000288000
r29 : e0000040fc020000 r30 : 0000000000000000 r31 : 00000000000007ff

Call Trace:
  [<a000000100010b50>] show_stack+0x50/0xa0
                                 sp=e0000040438979c0 bsp=e0000040438912a8
  [<a000000100011420>] show_regs+0x820/0x840
                                 sp=e000004043897b90 bsp=e000004043891260
  [<a000000100035990>] die+0x1d0/0x2e0
                                 sp=e000004043897b90 bsp=e000004043891218
  [<a000000100754de0>] ia64_do_page_fault+0x8e0/0xa00
                                 sp=e000004043897bb0 bsp=e0000040438911b8
  [<a00000010000b880>] ia64_leave_kernel+0x0/0x280
                                 sp=e000004043897c60 bsp=e0000040438911b8
  [<a0000001003148e0>] memset+0x240/0x420
                                 sp=e000004043897e30 bsp=e0000040438911a0
  [<a00000020022f540>] open_rnic_toe+0x140/0x620 [iw_cxgb3]
                                 sp=e000004043897e30 bsp=e000004043891148
  [<a000000200120800>] t3c_register_client+0x140/0x1e0 [cxgb3c]
                                 sp=e000004043897e30 bsp=e000004043891118
  [<a0000002000884a0>] iwch_init_module+0xc0/0x100 [iw_cxgb3]
                                 sp=e000004043897e30 bsp=e000004043891100
  [<a0000001000c1eb0>] sys_init_module+0x250/0x520
                                 sp=e000004043897e30 bsp=e000004043891088
  [<a00000010000b6e0>] ia64_ret_from_syscall+0x0/0x20
                                 sp=e000004043897e30 bsp=e000004043891088
  [<a000000000010640>] ia64_ivt+0xffffffff00010640/0x400
                                 sp=e000004043898000 bsp=e000004043891088
  BUG: modprobe/3348, lock held at task exit time!
  [a000000200129440] {t3cdev_db_lock}
.. held by:          modprobe: 3348 [e000004043890000, 116]
... acquired at:               t3c_register_client+0x30/0x1e0 [cxgb3c]