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Message-ID: <CAE9FiQW2ZB3VUrg9z-=UVp=s3w1LQhY81hRUjfMXwW3d1dNaig@mail.gmail.com> Date: Fri, 30 Dec 2011 14:23:02 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Or Gerlitz <or.gerlitz@...il.com> Cc: Yevgeny Petrilin <yevgenyp@...lanox.com>, David Miller <davem@...emloft.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "roland@...estorage.com" <roland@...estorage.com>, Liran Liss <liranl@...lanox.com>, "jackm@....mellanox.co.il" <jackm@....mellanox.co.il> Subject: Re: [PATCH net-next V2 00/21] net/mlx4: SRIOV support On Wed, Dec 14, 2011 at 1:50 PM, Or Gerlitz <or.gerlitz@...il.com> wrote: > On Wed, Dec 14, 2011 at 10:42 PM, Yinghai Lu <yinghai@...nel.org> wrote: > >> got following warning: > > could you send your .config as attached to Yevgeny Petrilin > <yevgenyp@...lanox.com>, he will distribute it to the group hotplug removal is broken... sca21d-0a86d3dd:~ # echo 0 > /sys/bus/pci/slots/1/power [ 123.085198] pciehp 0000:00:02.2:pcie04: disable_slot: physical_slot = 1 [ 123.091863] pciehp 0000:00:02.2:pcie04: pciehp_get_power_status: SLOTCTRL a8 value read 1f9 [ 123.100210] pciehp 0000:00:02.2:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:30:00 [ 123.114078] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 123.121923] IP: [<ffffffff8177fc92>] mlx4_table_put+0x57/0xaf [ 123.127684] PGD 0 [ 123.129712] Oops: 0000 [#1] SMP [ 123.132969] CPU 0 [ 123.134806] Modules linked in: [ 123.138063] [ 123.139552] Pid: 7617, comm: bash Not tainted 3.2.0-rc7-tip-yh-03751-ga431a72-dirty #35 Oracle Corporation Sun Blade /BD,ASSY, [ 123.151662] RIP: 0010:[<ffffffff8177fc92>] [<ffffffff8177fc92>] mlx4_table_put+0x57/0xaf [ 123.159850] RSP: 0018:ffff8802707018d8 EFLAGS: 00010296 [ 123.165151] RAX: ffff880175a69900 RBX: ffff8801756f4f50 RCX: ffff880276c407e8 [ 123.172272] RDX: 0000000000000000 RSI: ffff880276c407e8 RDI: ffff880270701898 [ 123.179391] RBP: ffff880270701908 R08: ffff880270701878 R09: 3d605d874c4567fa [ 123.186512] R10: 3d605d874c4567e5 R11: dead000000200200 R12: 0000000000000000 [ 123.193633] R13: ffff8801756f4f70 R14: ffff8801756f0000 R15: 0000000000000000 [ 123.200754] FS: 00007f44d66686f0(0000) GS:ffff880179e00000(0000) knlGS:0000000000000000 [ 123.208827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.214564] CR2: 0000000000000010 CR3: 000000016bf94000 CR4: 00000000000407f0 [ 123.221684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.228805] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 123.235926] Process bash (pid: 7617, threadinfo ffff880270700000, task ffff880276c40000) [ 123.243997] Stack: [ 123.246009] 0000000000001dbf ffff8801756f4f50 ffff8801756f0000 0000000000001d80 [ 123.253458] 0000000000040000 0000000000001dbf ffff880270701948 ffffffff8177fec7 [ 123.260908] 0000000000000040 0000000000001d80 0000000000000006 ffff8801756f0000 [ 123.268357] Call Trace: [ 123.270808] [<ffffffff8177fec7>] mlx4_table_put_range+0x35/0x50 [ 123.276806] [<ffffffff817857f7>] __mlx4_free_mtt_range+0x5c/0x65 [ 123.282893] [<ffffffff81785887>] mlx4_free_mtt_range+0x87/0x92 [ 123.288802] [<ffffffff81779d4e>] ? __mlx4_cmd+0x4a/0x6b [ 123.294105] [<ffffffff817854e9>] ? mlx4_HW2SW_MPT.constprop.22+0x43/0x45 [ 123.300878] [<ffffffff817858a9>] mlx4_mtt_cleanup+0x17/0x19 [ 123.306527] [<ffffffff8178590c>] mlx4_mr_free_reserved+0x61/0x66 [ 123.312607] [<ffffffff81785d6a>] mlx4_mr_free+0x17/0x3e [ 123.317910] [<ffffffff81785db0>] mlx4_fmr_free+0x1f/0x2c [ 123.323307] [<ffffffff81a32e3e>] mlx4_ib_fmr_dealloc+0x24/0x3e [ 123.329215] [<ffffffff81134437>] ? kfree+0x125/0x131 [ 123.334257] [<ffffffff81981fb7>] ib_dealloc_fmr+0x18/0x25 [ 123.339732] [<ffffffff81984e56>] ib_destroy_fmr_pool+0x8c/0xf7 [ 123.345640] [<ffffffff81a5ebc7>] srp_remove_one+0x19d/0x1c6 [ 123.351287] [<ffffffff81984429>] ib_unregister_device+0x3d/0xe3 [ 123.357284] [<ffffffff81a30058>] mlx4_ib_remove+0x26/0xed [ 123.362756] [<ffffffff81780246>] mlx4_remove_device+0x57/0x72 [ 123.368577] [<ffffffff8178052a>] mlx4_unregister_device+0x3c/0x72 [ 123.374744] [<ffffffff81782477>] mlx4_remove_one+0xb9/0x23f [ 123.380395] [<ffffffff81359137>] pci_device_remove+0x3c/0xbc [ 123.386129] [<ffffffff81416ee7>] __device_release_driver+0x86/0xd2 [ 123.392383] [<ffffffff81416f58>] device_release_driver+0x25/0x32 [ 123.398464] [<ffffffff81416aee>] bus_remove_device+0x93/0xa3 [ 123.404199] [<ffffffff81414d35>] device_del+0x12d/0x17f [ 123.409499] [<ffffffff81414d9a>] device_unregister+0x13/0x1f [ 123.415235] [<ffffffff81354826>] pci_stop_bus_device+0x8a/0xad [ 123.421142] [<ffffffff81354984>] pci_remove_bus_device+0x13/0x1f [ 123.427226] [<ffffffff81366ac6>] pciehp_unconfigure_device+0x107/0x16d [ 123.433825] [<ffffffff81366539>] pciehp_disable_slot+0x11e/0x186 [ 123.439906] [<ffffffff813667ec>] pciehp_sysfs_disable_slot+0x68/0x108 [ 123.446420] [<ffffffff81365929>] disable_slot+0x58/0x5c [ 123.451722] [<ffffffff8136273e>] power_write_file+0xd1/0x11b [ 123.457457] [<ffffffff8136266d>] ? get_attention_status+0xad/0xad [ 123.463625] [<ffffffff8135c9b9>] pci_slot_attr_store+0x29/0x2b [ 123.469533] [<ffffffff811960f8>] sysfs_write_file+0x10e/0x14a [ 123.475354] [<ffffffff8113b2cd>] vfs_write+0xb5/0x128 [ 123.480483] [<ffffffff8113b529>] sys_write+0x4d/0x77 [ 123.485526] [<ffffffff81c653d2>] system_call_fastpath+0x16/0x1b [ 123.491517] Code: 89 ef 41 21 c7 89 c8 99 f7 7e 10 31 f6 89 c1 44 89 f8 99 f7 f9 41 89 c7 e8 e8 c0 4d 00 48 8b 83 c8 00 00 00 4d 63 e7 4a 8b 14 e0 <8b> 42 10 ff c8 85 c0 89 42 10 75 37 41 c1 e7 12 4c 89 f7 49 63 [ 123.511545] RIP [<ffffffff8177fc92>] mlx4_table_put+0x57/0xaf [ 123.517383] RSP <ffff8802707018d8> [ 123.520866] CR2: 0000000000000010 [ 123.524228] ---[ end trace 6436e31aa4627ed0 ]--- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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