Hi to whom it may concern,
We are getting on a 6.0.0 (and also on 5.10 up) the following Mellanox
infiniband problem (see below).
Can you please help (this is on a running ia64 cluster).
Regards,
Rudi Gabler
[ 31.915749] Unable to handle kernel NULL pointer dereference
(address 0000000000000010)
[ 31.915749] kworker/u17:0[44]: Oops 11012296146944 [1]
[ 31.915749] Modules linked in: af_packet ib_iser libiscsi
scsi_transport_iscsi nf_tables nfnetlink rpcrdma sunrpc ib_ipoib tg3
libphy ib_mthca fuse configfs dm_round_robin qla2xxx firmware_class
dm_mirror dm_region_hash dm_log dm_multipath efivarfs
[ 31.915749] CPU: 0 PID: 44 Comm: kworker/u17:0 Not tainted
6.0.0-gentoo-ia64 #5
[ 31.915749] Hardware name: hp server BL860c ,
BIOS 04.32
05/21/2013
[ 31.915749] Workqueue: ib-comp-unb-wq ib_cq_poll_work
[ 31.915749] psr : 0000121008522030 ifs : 8000000000000ca1 ip :
[<a00000020036ba21>] Not tainted (6.0.0-gentoo-ia64)
[ 31.915749] ip is at mthca_poll_cq+0xc41/0x1620 [ib_mthca]
[ 31.915749] unat: 0000000000000000 pfs : 0000000000000ca1 rsc :
0000000000000003
[ 31.915749] rnat: 0000000000000000 bsps: 0000000000000000 pr :
0000000000015555
[ 31.915749] ldrs: 0000000000000000 ccv : 0000000000000000 fpsr:
0009804c8a70433f
[ 31.915749] csd : 0000000000000000 ssd : 0000000000000000
[ 31.915749] b0 : a00000020036b290 b6 : a00000020036ade0 b7 :
a00000010000bce0
[ 31.915749] f6 : 1003ee000000106bf1c50 f7 : 1003e61c8864680b583eb
[ 31.915749] f8 : 1003e73ad788c017bed70 f9 : 1003e0000000000015ab9
[ 31.915749] f10 : 1003e000000000000b76a f11 : 1003e0000000000000000
[ 31.915749] r1 : a00000020037b480 r2 : 0000000000000000 r3 :
00000000000000d0
[ 31.915749] r8 : e000000107d85100 r9 : 0000000000000000 r10 :
0000000000000000
[ 31.915749] r11 : 0000000000000000 r12 : e000000100507d40 r13 :
e000000100500000
[ 31.915749] r14 : e000000100ce9e00 r15 : 0000000000000000 r16 :
0000000000000010
[ 31.915749] r17 : 0000000000040000 r18 : 8080808080808080 r19 :
e00000010012cb74
[ 31.915749] r20 : 000000000000012c r21 : 73ad788c017bed70 r22 :
0000040000000000
[ 31.915749] r23 : e000000106bd4c10 r24 : 0000000000010000 r25 :
000000000000ffff
[ 31.915749] r26 : 0000000000000400 r27 : e00000010786b018 r28 :
e000000107d85148
[ 31.915749] r29 : e000000107d852f0 r30 : 0000000400000000 r31 :
e000000107d85314
[ 31.915749]
Call Trace:
[ 31.915749] [<a000000100013170>] show_stack.part.0+0x30/0x50
sp=e000000100507990
bsp=e000000100501430
[ 31.915749] [<a000000100013720>] show_stack+0x30/0xa0
sp=e000000100507990
bsp=e000000100501400
[ 31.915749] [<a000000100014110>] show_regs+0x980/0x990
sp=e000000100507b60
bsp=e0000001005013a8
[ 31.915749] [<a000000100022340>] die+0x180/0x2e0
sp=e000000100507b60
bsp=e000000100501360
[ 31.915749] [<a000000100045a90>] ia64_do_page_fault+0x850/0xa20
sp=e000000100507b60
bsp=e0000001005012d8
[ 31.915749] [<a00000010000c4c0>] ia64_leave_kernel+0x0/0x270
sp=e000000100507b70
bsp=e0000001005012d8
[ 31.915749] [<a00000020036ba20>] mthca_poll_cq+0xc40/0x1620 [ib_mthca]
sp=e000000100507d40
bsp=e0000001005011c8
[ 31.915749] [<a000000100ad0f30>] __ib_process_cq+0xc0/0x210
sp=e000000100507e30
bsp=e000000100501150
[ 31.915749] [<a000000100ad1430>] ib_cq_poll_work+0x40/0x100
sp=e000000100507e30
bsp=e000000100501120
[ 31.915749] [<a000000100081820>] process_one_work+0x3b0/0x4c0
sp=e000000100507e30
bsp=e0000001005010a0
[ 31.915749] [<a000000100081f30>] worker_thread+0x580/0x670
sp=e000000100507e30
bsp=e000000100501008
[ 31.915749] [<a000000100090580>] kthread+0x1d0/0x1f0
sp=e000000100507e30
bsp=e000000100500fb8
[ 31.915749] [<a00000010000c2b0>] call_payload+0x50/0x80
sp=e000000100507e30
bsp=e000000100500fa0
[ 31.915749] Disabling lock debugging due to kernel taint
