Hi Amir, the ppc64le port seems not to be 100% stable. The machine crashed again... Seems LPAR related.
Feb 20 11:12:22 sovmp143 kernel: [2336706.804676] swapper/7: page allocation failure: order:0, mode:0x120 Feb 20 11:12:22 sovmp143 kernel: [2336706.804695] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 3.19.0-47-generic #53-Ubuntu Feb 20 11:12:22 sovmp143 kernel: [2336706.804701] Call Trace: Feb 20 11:12:22 sovmp143 kernel: [2336706.804720] [c0000001effb77c0] [c000000000a4a430] dump_stack+0x90/0xbc (unreliable) Feb 20 11:12:22 sovmp143 kernel: [2336706.804736] [c0000001effb77f0] [c00000000021c168] warn_alloc_failed+0x118/0x160 Feb 20 11:12:22 sovmp143 kernel: [2336706.804743] [c0000001effb7890] [c000000000221408] __alloc_pages_nodemask+0x8c8/0xba0 Feb 20 11:12:22 sovmp143 kernel: [2336706.804752] [c0000001effb7a60] [c0000000002839e8] alloc_pages_current+0xb8/0x170 Feb 20 11:12:22 sovmp143 kernel: [2336706.804761] [c0000001effb7ab0] [c0000000008c2190] skb_page_frag_refill+0xa0/0x120 Feb 20 11:12:22 sovmp143 kernel: [2336706.804772] [c0000001effb7af0] [c00000000073a404] try_fill_recv+0x314/0x5f0 Feb 20 11:12:22 sovmp143 kernel: [2336706.804780] [c0000001effb7ba0] [c00000000073aa44] virtnet_receive+0x364/0xa10 Feb 20 11:12:22 sovmp143 kernel: [2336706.804788] [c0000001effb7cf0] [c00000000073b12c] virtnet_poll+0x3c/0x100 Feb 20 11:12:22 sovmp143 kernel: [2336706.804797] [c0000001effb7d30] [c0000000008e1998] net_rx_action+0x2d8/0x470 Feb 20 11:12:22 sovmp143 kernel: [2336706.804806] [c0000001effb7e40] [c0000000000b695c] __do_softirq+0x1ac/0x3d0 Feb 20 11:12:22 sovmp143 kernel: [2336706.804813] [c0000001effb7f40] [c0000000000b6dd8] irq_exit+0xc8/0x100 Feb 20 11:12:22 sovmp143 kernel: [2336706.804820] [c0000001effb7f60] [c000000000010f0c] __do_irq+0x8c/0x190 Feb 20 11:12:22 sovmp143 kernel: [2336706.804830] [c0000001effb7f90] [c000000000024840] call_do_irq+0x14/0x24 Feb 20 11:12:22 sovmp143 kernel: [2336706.804835] [c0000001eb243a00] [c0000000000110a8] do_IRQ+0x98/0x140 Feb 20 11:12:22 sovmp143 kernel: [2336706.804844] [c0000001eb243a50] [c0000000000025d8] hardware_interrupt_common+0x158/0x180 Feb 20 11:12:22 sovmp143 kernel: [2336706.804859] --- interrupt: 501 at plpar_hcall_norets+0x2c/0x38 Feb 20 11:12:22 sovmp143 kernel: [2336706.804859] LR = check_and_cede_processor+0x34/0x50 Feb 20 11:12:22 sovmp143 kernel: [2336706.804867] [c0000001eb243d40] [c000000000882320] check_and_cede_processor+0x20/0x50 (unreliable) Feb 20 11:12:22 sovmp143 kernel: [2336706.804877] [c0000001eb243da0] [c000000000882548] shared_cede_loop+0x68/0x170 Feb 20 11:12:22 sovmp143 kernel: [2336706.804885] [c0000001eb243de0] [c00000000087f550] cpuidle_enter_state+0x80/0x260 Feb 20 11:12:22 sovmp143 kernel: [2336706.804893] [c0000001eb243e40] [c00000000010bbc8] cpu_startup_entry+0x488/0x4e0 Feb 20 11:12:22 sovmp143 kernel: [2336706.804902] [c0000001eb243f20] [c000000000044e6c] start_secondary+0x33c/0x360 Feb 20 11:12:22 sovmp143 kernel: [2336706.804912] [c0000001eb243f90] [c000000000008b6c] start_secondary_prolog+0x10/0x14 Feb 20 11:12:22 sovmp143 kernel: [2336706.804917] Mem-Info: Olaf
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