On Aug26 15:25, Fujinaka, Todd wrote: > Can you please send clear repro steps and I'll submit it to our lab for > repro. We'll need what equipment you're running (on both sides of the link), > the kind of traffic you're running, the OS & kernel you're running, etc.
the switch used is a cisco C6506 the server is a dell C6100 the network card intel 82576 Gigabit Network Connection I'm using a linux stable release v3.14.x (last version) the boot cmdline has igb.max_vfs=2 as argument no specific traffic but the machine is booting through pxe boot using nfs the trace is a bit random at boot time (some boot are clean) here is a the trace as a reminder: igbvf 0000:01:10.3: PF still resetting igbvf 0000:01:10.1: PF still resetting ------------[ cut here ]------------ WARNING: CPU: 11 PID: 1 at drivers/net/ethernet/intel/igbvf/netdev.c:1718 igbvf_close+0x66/0x70() CPU: 11 PID: 1 Comm: swapper/0 Not tainted 3.14.17 #1 Hardware name: Dell C6100 /0D61XP, BIOS 1.69 06/22/2012 0000000000000009 ffffffffa95a5d15 0000000000000000 ffffffffa90954e8 ffff880c1d33e000 ffff880c1d33e7c0 8000000000000000 0000000000000001 0000000000000001 ffffffffa93a6676 ffff880c1d33e000 ffffc9000624bdb8 Call Trace: [<ffffffffa95a5d15>] ? dump_stack+0x49/0x7c [<ffffffffa90954e8>] ? warn_slowpath_common+0x68/0x80 [<ffffffffa93a6676>] ? igbvf_close+0x66/0x70 [<ffffffffa946d878>] ? __dev_close_many+0x88/0xe0 [<ffffffffa946d9f5>] ? __dev_close+0x25/0x40 [<ffffffffa947440b>] ? __dev_change_flags+0xab/0x180 [<ffffffffa94744fe>] ? dev_change_flags+0x1e/0x60 [<ffffffffa9c401fb>] ? ic_close_devs+0x2c/0x40 [<ffffffffa9c41946>] ? ip_auto_config+0xbf3/0xec7 [<ffffffffa9273890>] ? kset_register+0x50/0x70 [<ffffffffa909a2fe>] ? __insert_resource+0x1e/0x130 [<ffffffffa9c40d53>] ? root_nfs_parse_addr+0xa7/0xa7 [<ffffffffa9c10ee5>] ? do_one_initcall+0x8c/0x107 [<ffffffffa9c110ba>] ? kernel_init_freeable+0x15a/0x1e1 [<ffffffffa9c10857>] ? do_early_param+0x9b/0x9b [<ffffffffa959e9f0>] ? rest_init+0x80/0x80 [<ffffffffa959e9f5>] ? kernel_init+0x5/0xf0 [<ffffffffa95ac764>] ? ret_from_fork+0x74/0xa0 [<ffffffffa959e9f0>] ? rest_init+0x80/0x80 ---[ end trace 90b2a2646f143695 ]--- igbvf 0000:01:10.1: PF still resetting igbvf 0000:01:10.3: PF still resetting ixgbe 0000:03:00.0: removed PHC on eth6 ixgbe 0000:03:00.1: removed PHC on eth7 Regards, -- William
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