On 11/9/2017 5:42 PM, Ferruh Yigit 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]
Here igb_uio probe() calls request_irq(), this behavior changed in latest code. Can you please double check that you are using latest code? Thanks, ferruh >> [<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 >> >
