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 >
