[ofa-general] MTHCA driver from OFED 1.3a package

[Lukas Hejtmanek]

On Thu, Nov 29, 2007 at 08:41:10AM -0800, Roland Dreier wrote:
>  > just a note, I found that similar problem with dma_map_single/sync_single
>  > is in the ib_ipoib layer.
> 
> I don't see any calls to any kind of dma_sync function in IPoIB??

You can see stack trace here.

Fatal DMA error! Please use 'swiotlb=force'
----------- cut here  --------- please bite here  ---------
Kernel BUG at arch/x86_64/kernel/../../i386/kernel/pci-dma-xen.c:333
invalid opcode: 0000 1 SMP 
CPU 0 
Modules linked in: ib_ipoib ib_cm ipv6 nfs lockd nfs_acl sunrpc ib_sa ib_mthca
ib_mad ib_core e1000 dm_mod parport_pc lp parport xfs ata_piix ahci piix
mptsas mptscsih mptbase scsi_transport_sas raid0 sata_nv libata amd74xx sd_mod
scsi_mod ide_disk ide_core
Pid: 2183, comm: modprobe Not tainted 2.6.18-xen31-smp #19
RIP: e030:<ffffffff802104d2>  <ffffffff802104d2>
dma_map_single+0x13f/0x18f
RSP: e02b:ffff880000dd7c68  EFLAGS: 00010296
RAX: 000000000000002f RBX: ffff88009032401c RCX: ffffffff80426ec8
RDX: ffffffffff57c000 RSI: 0000000000000001 RDI: ffffffff80426ec0
RBP: 000000005ee7101c R08: ffffffff80426ec8 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000ff4
R13: ffff8800005ccc50 R14: ffff88008f498008 R15: ffff880099bad8f0
FS:  00002aaaaadedb00(0000) GS:ffffffff804aa000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process modprobe (pid: 2183, threadinfo ffff880000dd6000, task
ffff8800005da0c0)
Stack:  0000000000000000 ffff88009c6cfbd0 ffff880090366500 0000000000000000
 ffff880090366000 ffffffff883179cf 000000000000000f ffff880090366000
 ffff880090366500 0000000000000000 ffff880090366000 ffff880000f8d000
Call Trace:
 <ffffffff883179cf> :ib_ipoib:ipoib_cm_alloc_rx_skb+0x92/0x282
 <ffffffff883182f6> :ib_ipoib:ipoib_cm_dev_init+0x351/0x38f
 <ffffffff883152e5> :ib_ipoib:ipoib_transport_dev_init+0xe0/0x257
 <ffffffff80278d6d> __kmalloc_track_caller+0x12f/0x13f
 <ffffffff88312df9> :ib_ipoib:ipoib_ib_dev_init+0x2d/0x6f
 <ffffffff8830f398> :ib_ipoib:ipoib_dev_init+0x9c/0xda
 <ffffffff88310129> :ib_ipoib:ipoib_add_one+0x16d/0x3a1
 <ffffffff881d1085> :ib_core:ib_register_client+0x58/0x86
 <ffffffff881860c0> :ib_ipoib:ipoib_init_module+0xc0/0xe7
 <ffffffff8024793a> sys_init_module+0x16e1/0x180a
 <ffffffff802099da> system_call+0x86/0x8b
 <ffffffff80209954> system_call+0x0/0x8b

-- 
Lukáš Hejtmánek