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 _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
