Hello Ferruh, re-checked igb_uio from dpdk master branch 0384f21dffc9081d1ae30f0a6e49926bfc4be85d OS: CentOS release 6.7 (Final), 2.6.32-573.26.1.el6.x86_64
igb_uio: Use MSIX interrupt by default ixgbevf: eth1: ixgbevf_remove: Remove complete IRQ handler type mismatch for IRQ 0 current handler: timer Pid: 7995, comm: python Not tainted 2.6.32-573.26.1.el6.x86_64 #1 Call Trace: [<ffffffff810eee02>] ? __setup_irq+0x382/0x3c0 [<ffffffffa00212a0>] ? uio_interrupt+0x0/0x48 [uio] [<ffffffff810ef603>] ? request_threaded_irq+0x133/0x230 [<ffffffffa0021193>] ? __uio_register_device+0x553/0x610 [uio] [<ffffffffa003797f>] ? igbuio_pci_probe+0x290/0x47a [igb_uio] [<ffffffff81292c7a>] ? kobject_get+0x1a/0x30 [<ffffffff812b5e37>] ? local_pci_probe+0x17/0x20 [<ffffffff812b7021>] ? pci_device_probe+0x101/0x120 [<ffffffff813748e2>] ? driver_sysfs_add+0x62/0x90 [<ffffffff81374b8a>] ? driver_probe_device+0xaa/0x3a0 [<ffffffff81374f2b>] ? __driver_attach+0xab/0xb0 [<ffffffff81374e80>] ? __driver_attach+0x0/0xb0 [<ffffffff81373d74>] ? bus_for_each_dev+0x64/0x90 [<ffffffff8137481e>] ? driver_attach+0x1e/0x20 [<ffffffff812b73c7>] ? pci_add_dynid+0xc7/0xf0 [<ffffffff812b74c2>] ? store_new_id+0xd2/0x110 [<ffffffff81372d6c>] ? drv_attr_store+0x2c/0x30 [<ffffffff8120eb15>] ? sysfs_write_file+0xe5/0x170 [<ffffffff81192208>] ? vfs_write+0xb8/0x1a0 [<ffffffff811936f6>] ? fget_light_pos+0x16/0x50 [<ffffffff81192d41>] ? sys_write+0x51/0xb0 [<ffffffff8100b0d2>] ? system_call_fastpath+0x16/0x1b igb_uio: probe of 0000:00:04.0 failed with error -16 IRQ handler type mismatch for IRQ 0 Regards, Gregory On Wed, Nov 15, 2017 at 5:44 PM, Ferruh Yigit <ferruh.yi...@intel.com> wrote: > On 11/9/2017 10:36 PM, Gregory Etelson wrote: > > It looks like igb_uio bind failed on servers running CentOS-6.x > > Hi Gregory, > > Below backtrace seems coming from old code, can you please confirm that > you are > using latest igb_uio? > > And what is the kernel version in that boxes? > > Thanks, > ferruh > > > Servers with CentOS-7.3 Ubuntu-14, Ubuntu-16 and AWS-1703 (Amazon Linux) > > had no bind issues > > > > Regards, > > Gregory > > > > On Fri, Nov 10, 2017 at 3:42 AM, Ferruh Yigit <ferruh.yi...@intel.com > > <mailto:ferruh.yi...@intel.com>> wrote: > > > > On 11/9/2017 9:20 AM, Gregory Etelson wrote: > > > Hello, > > > > > > There are some AWS R3.8XLARGE instances > > > that fail to bind Intel 10G VFs with igb_uio [c05cb4f939082]. > > > > Hi Gregory, > > > > Will you dig this issue more? Please keep us updated. > > > > > System dmeg log show this backtrace: > > > > > > igb_uio: probe of 0000:00:05.0 failed with error -16 > > > IRQ handler type mismatch for IRQ 0 > > > current handler: timer > > > Pid: 3619, comm: bash Not tainted 2.6.32-642.15.1.el6.x86_64 #1 > > > Call Trace: > > > [<ffffffff810f49e2>] ? __setup_irq+0x382/0x3c0 > > > [<ffffffffa03202a0>] ? uio_interrupt+0x0/0x48 [uio] > > > [<ffffffff810f51e3>] ? request_threaded_irq+0x133/0x230 > > > [<ffffffffa0320193>] ? __uio_register_device+0x553/0x610 [uio] > > > [<ffffffffa032698f>] ? igbuio_pci_probe+0x290/0x47a [igb_uio] > > > [<ffffffff8129d00a>] ? kobject_get+0x1a/0x30 > > > [<ffffffff812c04f7>] ? local_pci_probe+0x17/0x20 > > > [<ffffffff812c16e1>] ? pci_device_probe+0x101/0x120 > > > [<ffffffff81382152>] ? driver_sysfs_add+0x62/0x90 > > > [<ffffffff813823fa>] ? driver_probe_device+0xaa/0x3a0 > > > [<ffffffff8138153a>] ? driver_bind+0xca/0x110 > > > [<ffffffff813805dc>] ? drv_attr_store+0x2c/0x30 > > > [<ffffffff812171c5>] ? sysfs_write_file+0xe5/0x170 > > > [<ffffffff81199e48>] ? vfs_write+0xb8/0x1a0 > > > [<ffffffff8119b336>] ? fget_light_pos+0x16/0x50 > > > [<ffffffff8119a981>] ? sys_write+0x51/0xb0 > > > > > > The VFs can be returned back to kernel ixgbevf driver with no > faults. > > > > > > The instances can bind VFs with igb_uio[b58eedfc7dd57] > > > > > > I could not find yet why some R3.8XLARGE instances can bind IXGBE > VFs with > > > igb_uio while other fail > > > > > > lspci -vvv -s 0000:00:05.0 > > > 00:05.0 Ethernet controller: Intel Corporation 82599 Ethernet > Controller > > > Virtual Function (rev 01) > > > Physical Slot: 5 > > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- > VGASnoop- ParErr- > > > Stepping- SERR- FastB2B- DisINTx+ > > > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast > >TAbort- > > > <TAbort- <MAbort- >SERR- <PERR- INTx- > > > Latency: 64 > > > Region 0: Memory at f3010000 (64-bit, prefetchable) > [size=16K] > > > Region 3: Memory at f3014000 (64-bit, prefetchable) > [size=16K] > > > Capabilities: [70] MSI-X: Enable+ Count=3 Masked- > > > Vector table: BAR=3 offset=00000000 > > > PBA: BAR=3 offset=00002000 > > > Kernel driver in use: ixgbevf > > > Kernel modules: ixgbevf > > > > > > Regards, > > > Gregory > > > > > > > > >