I recompiled both binutils and gcc in parallel (independent of each other). Only minutes after I started this the machine locked up. The machine has 8GiB of RAM and was otherwise idle. Greetings, Eike [233026.041133] BUG: NMI Watchdog detected LOCKUP on CPU1, ip 0043d6f8, registers: [233026.137243] CPU: 1 PID: 362 Comm: khugepaged Not tainted 3.12.1 #3 [233026.219590] task: fffff8033a1e6000 ti: fffff8033a0a4000 task.ti: fffff8033a0a4000 [233026.319095] TSTATE: 0000004480e01602 TPC: 000000000043d6f8 TNPC: 000000000043d6fc Y: 00000000 Not tainted [233026.449493] TPC: <cheetah_xcall_deliver+0x178/0x2a0> [233026.515814] g0: 0000000000000000 g1: fffff8133c820008 g2: 0000000000000001 g3: 000000000001869e [233026.631333] g4: fffff8033a1e6000 g5: fffff8133c59e000 g6: fffff8033a0a4000 g7: 0000000000000000 [233026.746850] o0: 0000000000000018 o1: 0000000000000000 o2: 0000000000000001 o3: 0000000000000000 [233026.862369] o4: 0000000000000000 o5: 0000000000000003 sp: fffff8033a0a6821 ret_pc: 000000000043d704 [233026.982462] RPC: <cheetah_xcall_deliver+0x184/0x2a0> [233027.048794] l0: 000000000000ffff l1: 0000000000000001 l2: 0000000000000001 l3: 0000000000000002 [233027.164314] l4: ffffffffffffffff l5: 0000000000000016 l6: fffff8133c820040 l7: fffff8133c820000 [233027.279836] i0: fffff8133c820010 i1: 0000000000000001 i2: 0000000000000002 i3: 0000000000000040 [233027.395354] i4: 0000000000000050 i5: 0000000000000060 i6: fffff8033a0a68e1 i7: 000000000043d410 [233027.510872] I7: <xcall_deliver+0x110/0x140> [233027.566907] Call Trace: [233027.600078] [000000000043d410] xcall_deliver+0x110/0x140 [233027.672135] [000000000043e5c0] smp_flush_tlb_page+0x40/0xa0 [233027.747624] [0000000000452d70] tlb_batch_add_one+0x90/0xc0 [233027.821968] [0000000000521c90] ptep_clear_flush+0x30/0x40 [233027.895162] [000000000051c4d8] try_to_unmap_one+0x78/0x480 [233027.969505] [000000000051d138] try_to_unmap_anon+0x78/0x140 [233028.044991] [000000000051d290] try_to_unmap+0x50/0x80 [233028.113618] [0000000000537a64] migrate_pages+0x3c4/0x720 [233028.185674] [000000000050cfd4] compact_zone+0x2b4/0x400 [233028.256582] [000000000050d430] compact_zone_order+0x90/0xc0 [233028.332070] [000000000050d524] try_to_compact_pages+0xc4/0x120 [233028.410989] [00000000004f3694] __alloc_pages_direct_compact+0x54/0x1c0 [233028.499053] [00000000004f3d48] __alloc_pages_nodemask+0x548/0x8a0 [233028.581410] [0000000000530810] alloc_pages_vma+0x50/0x120 [233028.654603] [00000000005396c0] khugepaged+0x620/0xf80 [233028.723232] [0000000000481d08] kthread+0x88/0xa0 [233028.786130] CPU: 1 PID: 362 Comm: khugepaged Not tainted 3.12.1 #3 [233028.868479] Call Trace: [233028.901654] [00000000008780e8] perfctr_irq+0x2a8/0x360 [233028.971419] [00000000004209f4] tl0_irq15+0x14/0x20 [233029.036608] [000000000043d6f8] cheetah_xcall_deliver+0x178/0x2a0 [233029.117815] [000000000043d410] xcall_deliver+0x110/0x140 [233029.189870] [000000000043e5c0] smp_flush_tlb_page+0x40/0xa0 [233029.265356] [0000000000452d70] tlb_batch_add_one+0x90/0xc0 [233029.339699] [0000000000521c90] ptep_clear_flush+0x30/0x40 [233029.412898] [000000000051c4d8] try_to_unmap_one+0x78/0x480 [233029.487241] [000000000051d138] try_to_unmap_anon+0x78/0x140 [233029.562726] [000000000051d290] try_to_unmap+0x50/0x80 [233029.631350] [0000000000537a64] migrate_pages+0x3c4/0x720 [233029.703407] [000000000050cfd4] compact_zone+0x2b4/0x400 [233029.774318] [000000000050d430] compact_zone_order+0x90/0xc0 [233029.849806] [000000000050d524] try_to_compact_pages+0xc4/0x120 [233029.928721] [00000000004f3694] __alloc_pages_direct_compact+0x54/0x1c0 [233030.016789] [00000000004f3d48] __alloc_pages_nodemask+0x548/0x8a0 -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
