Hi netdev! I am running a net-next kernel, compiled this morning, git hash of 6508060232ee78200a2258aefeeb148ce9ed1526. The distro is Arch linux latest. The issue is reproducible 100% of the time. I create a new Libvirt VM with some default options, no storage (i.e. 1 core, 1GB ram, PXE boot, 1 vNIC). As soon as I launch the VM, I hit this panic.
If, however, I remove the vNIC from the configuration, there is no issue. The vNIC is configured to attach to the default libvirt bridge (virbr0). The below kernel panic is transcribed from a photo, so there is possibility of minor transcription errors. Apologies if so, and especially sorry that the full panic dump is not captured. I can try to reproduce and capture a more full trace if required. =============== snip ============== Workqueue: events switchdev_port_attr_set_work task: ffff8808070b8a30 ti: ffff880807f10000 task.ti: ffff880807f10000 RIP: 0010:[<ffffffff815830b0>] [<ffffffff815830b0>] switchdev_port_attr_set_work+0x50/0x60 RSP: 0018:ffff880807f13de8 EFLAGS: 00010282 RAX: 00000000ffffffa1 RBX: ffff8808078028a0 RCX: ffff88082ecd5818 RDX: 0000000000000000 RSI: ffff880807f13d78 RDI: ffff8807ff3f40c0 RBP: ffff880807f13df8 R08: ffff88082ecd5800 R09: 0000000000000018 R10: 00000000ffffffff R11: 0000000000021f2a R12: ffff88082ecd5800 R13: ffff88082ecda200 R14: 0000000000000000 R15: ffff8808078028a0 FS: 0000000000000000(0000) GS:ffff88082ecc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7e79fc1000 CR3: 0000000002a0b000 CR4: 00000000001427e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff880807626840 ffff880807626840 ffff880807f13e48 ffffffff81091abb ffff88082ecd5800 0000000000000000 ffff88082ecd5818 ffff880807626870 ffff88082ecd5800 0000000000000008 ffff88082ecd5818 ffff880807626840 Call Trace: [<ffffffff81091abb>] process_one_work+0x14b/0x470 [<ffffffff81091e28>] worker_thread+0x48/0x4c0 [<ffffffff81091de0>] ? process_one_work+0x470/0x470 [<ffffffff81091de0>] ? process_one_work+0x470/0x470 [<ffffffff81097978>] kthread+0xd8/0xf0 [<ffffffff810978a0>] ? kthread_worker_fn+0x170/0x170 [<ffffffff81594ca2>] ret_from_fork+0x42/0x70 [<ffffffff810978a0>] ? kthread_worker_fn+0x170/0x170 Code: 75 29 e8 f4 62 f1 ff 48 8b 43 20 48 89 df 48 8b 80 48 04 00 00 65 ff 08 e8 ae 44 c4 ff 48 83 c4 08 5b 5d c3 0f 1f 80 00 00 00 00 <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 RIP [<ffffffff815830b0>] switchdev_port_attr_set_work+0x50/0x60 RSP <ffff880807f13de8> ---[ end trace x246aa5718676503 ]--- Kernel panic - not syncing: Fatal exception Kernel Offset: disabled =============== end snip ============== Thank you, Brenden Blanco -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
