Hello, The same problem happened 2 days ago (same machine). Here is what I found in kern.log:
[645048.763978] Unhandled fault: alignment fault (0x96000021) at 0x000000001cd7237a [645048.771350] Internal error: : 96000021 [#1] SMP [645048.775943] Modules linked in: veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc overlay shpchp xgene_edac edac_core xhci_plat_hcd xgene_rng uio_pdrv_genirq uio nfsd ib_iser auth_rpcgss rdma_cm iw_cm nfs_acl lockd ib_cm grace ib_sa sunrpc ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear realtek ahci_xgene libahci_platform xgene_enet libahci mdio_xgene aes_neon_blk ablk_helper cryptd [645048.841724] CPU: 4 PID: 20821 Comm: aarch64-unknown Not tainted 4.4.0-101-generic #124-Ubuntu [645048.850290] Hardware name: AppliedMicro Mustang/Mustang, BIOS 1.1.0 Apr 22 2015 [645048.857647] task: ffff8003e7f90000 ti: ffff8003eb794000 task.ti: ffff8003eb794000 [645048.865180] PC is at _raw_spin_lock_irqsave+0x24/0x60 [645048.870292] LR is at try_to_wake_up+0x44/0x3a8 [645048.874797] pc : [<ffff80000090fd8c>] lr : [<ffff8000000f28b4>] pstate: 600001c5 [645048.882240] sp : ffff8003eb797b40 [645048.885620] x29: ffff8003eb797b40 x28: 0000000000000075 [645048.891009] x27: ffff8001158f2a00 x26: ffff8001d3177bf0 [645048.896397] x25: ffff8003eb66c0c8 x24: ffff8001d3177c00 [645048.901785] x23: 0000000000000000 x22: 0000000000000003 [645048.907174] x21: 000000001cd7237a x20: 0000000000000000 [645048.912563] x19: 000000001cd7237a x18: 0000000000000a03 [645048.917950] x17: 0000ffff996c9010 x16: ffff800000210960 [645048.923338] x15: 7fffffffffffffff x14: 0000000000000000 [645048.928727] x13: 0000000000000000 x12: 0000000000000000 [645048.934115] x11: ffff8000f70bd100 x10: 000000000000012e [645048.939502] x9 : ffff80000093fee8 x8 : 0000000000000000 [645048.944891] x7 : ffff8003eb66c528 x6 : ffff8003eb66c190 [645048.950279] x5 : 0000000000000000 x4 : 0000000000000001 [645048.955667] x3 : 0000000000000000 x2 : 0000000000000000 [645048.961056] x1 : 0000000000000003 x0 : 00000000000001c0 [645048.966443] [645048.968011] Process aarch64-unknown (pid: 20821, stack limit = 0xffff8003eb794020) [645048.975627] Stack: (0xffff8003eb797b40 to 0xffff8003eb798000) [645048.981430] 7b40: ffff8003eb797b60 ffff8000000f28b4 000000001cd71cd6 ffff8003ee0c8000 [645048.989305] 7b60: ffff8003eb797bc0 ffff8000000f2c40 000000001cd71cd6 0000000000000001 [645048.997179] 7b80: ffff8001d3177bf0 ffff8001d3177be8 ffff8001d3177bf0 ffff8001d3177c00 [645049.005055] 7ba0: ffff8003eb66c0c8 ffff8001d3177bf0 ffff8001158f2a00 0000000000000075 [645049.012929] 7bc0: ffff8003eb797be0 ffff80000011433c 000000001cd71cd6 ffff80000020eb1c [645049.020805] 7be0: ffff8003eb797c20 ffff80000090ef30 ffff8001d3177be8 ffffffff00000001 [645049.028680] 7c00: ffff800000db2000 0000000000000000 ffff8001d3177bc0 ffff80000020b790 [645049.036554] 7c20: ffff8003eb797cb0 ffff80000090e320 ffff8001d3177be8 0000000000000000 [645049.044428] 7c40: ffff8003eb66c708 0000000000000000 ffff8001d3177bc0 0000000000000000 [645049.052303] 7c60: ffff8003eb66c0c8 ffff8001d3177be0 ffff8001158f2a00 ffff8003eb66c4e0 [645049.060177] 7c80: ffff8003eb66c320 ffff800392b93c88 ffff800392b93c88 ffff8003e7f90000 [645049.068051] 7ca0: ffff800300000000 cb88537fdc8ba65f ffff8003eb797cd0 ffff80000020c640 [645049.075926] 7cc0: ffff8003eb66c4b0 0000000000000000 ffff8003eb797d70 ffff80000020ccb8 [645049.083800] 7ce0: ffff8003eb66c0c8 ffff8003eb66c4b0 0000000000000000 0000ffff995fd000 [645049.091676] 7d00: ffff800000eb4000 0000000000000000 ffff8001158f2a00 ffff8003eb797eb0 [645049.099550] 7d20: 000000000000000f 0000000000000075 ffff800000eb4000 0000000000000000 [645049.107425] 7d40: 00000000158f2a00 000000000000012e ffff8000f70bd100 0000ffff995ee000 [645049.115300] 7d60: 0000000000000000 0000ffff995fd000 ffff8003eb797db0 ffff80000020e104 [645049.123175] 7d80: ffff8001158f2a00 ffff8003eb66c4b0 0000ffff995fd000 0000000000000000 [645049.131049] 7da0: 0000ffff995ee000 0000ffff995fd000 ffff8003eb797df0 ffff800000210920 [645049.138925] 7dc0: ffff8003eb66c4b0 0000000000000000 0000000000000070 0000000000000000 [645049.146799] 7de0: 0000000000000000 0000000000000000 ffff8003eb797e50 ffff800000210aa0 [645049.154673] 7e00: 0000ffff995fd000 0000000000000070 0000ffff995fd000 ffff800000db2000 [645049.162548] 7e20: 0000000000000000 0000000000000000 0000000000000000 0000ffff995ee000 [645049.170422] 7e40: ffff8003eb66c4b0 ffff8003eb794000 0000ffffe789cea0 ffff800000085df0 [645049.178296] 7e60: 0000000000000000 0000000000000003 ffffffffffffffff 0000ffff996ca888 [645049.186171] 7e80: 0000000000000000 0000000000000015 000000000000011d 00000000000000e2 [645049.194045] 7ea0: ffff80000091a000 0000ffff996ca82c ffff8003eb66c4b0 cb88537fdc8ba65f [645049.201921] 7ec0: 0000ffff995ee000 000000000000f000 0000000000000000 0000000000000802 [645049.209795] 7ee0: 0000000000000003 0000000000000000 0000ffff996d39a1 696c2f756e672d78 [645049.217669] 7f00: 00000000000000e2 000000000012e000 0000ffffe789cce0 0000ffffe789d100 [645049.225544] 7f20: 0000000000000001 0000000000000005 0000ffff994c0000 7fffffffffffffff [645049.233418] 7f40: 0000ffff996e1000 0000ffff996c9010 0000000000000a03 0000000000000000 [645049.241294] 7f60: 0000000000000003 0000ffff996e0000 0000000000401d70 00000000008e3577 [645049.249168] 7f80: 0000000000000803 0000000000000002 0000ffffe789ccb0 0000ffffe789d140 [645049.257042] 7fa0: 0000ffff996d34e8 0000ffffe789cea0 0000ffff996b9a30 0000ffffe789cc80 [645049.264917] 7fc0: 0000ffff996ca888 0000000000000000 0000ffff995ee000 00000000000000e2 [645049.272791] 7fe0: 0000000000000000 0000000000000000 ffff8003eb797fe8 0000000000000000 [645049.280664] Call trace: [645049.283183] [<ffff80000090fd8c>] _raw_spin_lock_irqsave+0x24/0x60 [645049.289331] [<ffff8000000f28b4>] try_to_wake_up+0x44/0x3a8 [645049.294872] [<ffff8000000f2c40>] wake_up_process+0x28/0x38 [645049.300415] [<ffff80000011433c>] __rwsem_do_wake+0x10c/0x1b0 [645049.306131] [<ffff80000090ef30>] rwsem_down_write_failed+0x328/0x340 [645049.312538] [<ffff80000090e320>] down_write+0x60/0x80 [645049.317649] [<ffff80000020c640>] vma_adjust+0xe0/0x590 [645049.322845] [<ffff80000020ccb8>] __split_vma.isra.4+0x1c8/0x1e0 [645049.328819] [<ffff80000020e104>] split_vma+0x4c/0x68 [645049.333843] [<ffff800000210920>] mprotect_fixup+0x210/0x250 [645049.339471] [<ffff800000210aa0>] SyS_mprotect+0x140/0x248 [645049.344928] [<ffff800000085df0>] el0_svc_naked+0x24/0x28 [645049.350299] Code: d503201f d53b4220 d50342df f9800271 (885ffe61) [645049.356495] ---[ end trace 1eca6b35d4377111 ]--- -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1766624 Title: AArch64 kernel panic on APM Mustang Status in linux package in Ubuntu: Incomplete Bug description: Random kernel panic on AArch64 APM Mustang running ubuntu xenial kernel. == [2244826.215921] Unhandled fault: alignment fault (0x96000021) at 0x0000000003b00a53 [2244826.223377] Internal error: : 96000021 [#1] SMP [2244826.228057] Modules linked in: veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc overlay shpchp xgene_edac edac_core xhci_plat_hcd xgene_rng uio_pdrv_genirq uio nfsd auth_rpcgss nfs_acl lockd grace ib_iser sunrpc rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear realtek ahci_xgene libahci_platform xgene_enet libahci mdio_xgene aes_neon_blk ablk_helper cryptd [2244826.293934] CPU: 3 PID: 7232 Comm: basename Not tainted 4.4.0-101-generic #124-Ubuntu [2244826.301896] Hardware name: AppliedMicro Mustang/Mustang, BIOS 1.1.0 Apr 22 2015 [2244826.309339] task: ffff800119bf6800 ti: ffff80013ec74000 task.ti: ffff80013ec74000 [2244826.316960] PC is at _raw_spin_lock_irqsave+0x24/0x60 [2244826.322158] LR is at try_to_wake_up+0x44/0x3a8 [2244826.326750] pc : [<ffff80000090fd8c>] lr : [<ffff8000000f28b4>] pstate: 600001c5 [2244826.334279] sp : ffff80013ec77b40 [2244826.337746] x29: ffff80013ec77b40 x28: 0000000000000075 [2244826.343224] x27: ffff80001c1d3b80 x26: ffff800166d75a70 [2244826.348698] x25: ffff8000fad8c190 x24: ffff800166d75a80 [2244826.354175] x23: 0000000000000000 x22: 0000000000000003 [2244826.359652] x21: 0000000003b00a53 x20: 0000000000000000 [2244826.365128] x19: 0000000003b00a53 x18: 0000000000000000 [2244826.370603] x17: 0000000000000000 x16: ffff800000210960 [2244826.376079] x15: 0000000000000000 x14: 0000000000000000 [2244826.381553] x13: 0000000000000000 x12: 0000000000000000 [2244826.387029] x11: ffff8003e9a36700 x10: 00000000000000d6 [2244826.392504] x9 : ffff80000093fee8 x8 : 0000000000000000 [2244826.397978] x7 : ffff8000fad8ccf8 x6 : ffff8000fad8c258 [2244826.403452] x5 : 0000000000000000 x4 : 0000000000000001 [2244826.408927] x3 : 0000000000000000 x2 : 0000000000000000 [2244826.414402] x1 : 0000000000000003 x0 : 00000000000001c0 [2244826.421531] Process basename (pid: 7232, stack limit = 0xffff80013ec74020) [2244826.428543] Stack: (0xffff80013ec77b40 to 0xffff80013ec78000) [2244826.434432] 7b40: ffff80013ec77b60 ffff8000000f28b4 0000000003b003af ffff8003ee0c4000 [2244826.442393] 7b60: ffff80013ec77bc0 ffff8000000f2c40 0000000003b003af 0000000000000001 [2244826.450355] 7b80: ffff800166d75a70 ffff800166d75a68 ffff800166d75a70 ffff800166d75a80 [2244826.458316] 7ba0: ffff8000fad8c190 ffff800166d75a70 ffff80001c1d3b80 0000000000000075 [2244826.466276] 7bc0: ffff80013ec77be0 ffff80000011433c 0000000003b003af ffff80000090ed94 [2244826.474237] 7be0: ffff80013ec77c20 ffff80000090ef30 ffff800166d75a68 ffffffff00000001 [2244826.482199] 7c00: ffff800000db2000 0000000000000000 ffff800166d75a40 ffff80000020b790 [2244826.490159] 7c20: ffff80013ec77cb0 ffff80000090e320 ffff800166d75a68 0000000000000000 [2244826.498121] 7c40: ffff8000fad8cd48 0000000000000000 ffff800166d75a40 0000000000000000 [2244826.506082] 7c60: ffff8000fad8c190 ffff800166d75a60 ffff80001c1d3b80 ffff8000fad8ccb0 [2244826.514044] 7c80: ffff8000fad8c960 ffff800143927b68 ffff800143927c88 ffff800119bf6800 [2244826.522006] 7ca0: ffff800100000000 cb88537fdc8ba65f ffff80013ec77cd0 ffff80000020c640 [2244826.529966] 7cc0: ffff8000fad8cc80 0000000000000000 ffff80013ec77d70 ffff80000020ccb8 [2244826.537927] 7ce0: ffff8000fad8c190 ffff8000fad8cc80 0000000000000000 00000000f7517000 [2244826.545889] 7d00: ffff800000eb4000 0000000000000000 ffff80001c1d3b80 ffff80013ec77eb0 [2244826.553850] 7d20: 0000000000000010 0000000000000075 ffff800000eb4000 0000000000000000 [2244826.561812] 7d40: 000000001c1d3b80 00000000000000d6 ffff8003e9a36700 00000000f7507000 [2244826.569774] 7d60: 0000000000000000 00000000f7517000 ffff80013ec77db0 ffff80000020e104 [2244826.577736] 7d80: ffff80001c1d3b80 ffff8000fad8cc80 00000000f7517000 0000000000000000 [2244826.585696] 7da0: 00000000f7507000 00000000f7517000 ffff80013ec77df0 ffff800000210920 [2244826.593657] 7dc0: ffff8000fad8cc80 0000000000000000 0000000000000070 0000000000000000 [2244826.601617] 7de0: 0000000000000000 0000000000000000 ffff80013ec77e50 ffff800000210aa0 [2244826.609579] 7e00: 00000000f7517000 0000000000000070 00000000f7517000 ffff800000db2000 [2244826.617541] 7e20: 0000000000000000 0000000000000000 0000000000000000 00000000f7507000 [2244826.625502] 7e40: ffff8000fad8cc80 ffff80013ec74000 0000000000000000 ffff800000085df0 [2244826.633462] 7e60: 0000000000400000 0000000000000000 ffffffffffffffff 00000000f752ee26 [2244826.641423] 7e80: 0000000020000030 0000000000000011 0000000000000186 000000000000007d [2244826.649385] 7ea0: ffff80000091c000 0000000000001000 ffff8000fad8cc80 cb88537fdc8ba65f [2244826.657347] 7ec0: 00000000f7507000 0000000000010000 0000000000000000 00000000000d6000 [2244826.665309] 7ee0: 00000000f7542788 00000000f7431000 00000000ffda0b70 000000000000007d [2244826.673271] 7f00: 0000000000000018 00000000ffda0b40 00000000ffda0d9c 00000000000eb558 [2244826.681231] 7f20: 00000000000000c0 00000000ffda0b14 00000000f7521aa7 0000000000000000 [2244826.689192] 7f40: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [2244826.697154] 7f60: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [2244826.705115] 7f80: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [2244826.713077] 7fa0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [2244826.721039] 7fc0: 00000000f752ee26 0000000020000030 00000000f7507000 000000000000007d [2244826.729000] 7fe0: 0000000000000000 0000000000000000 ffff80013ec77fe8 0000000000000000 [2244826.736961] Call trace: [2244826.739567] [<ffff80000090fd8c>] _raw_spin_lock_irqsave+0x24/0x60 [2244826.745802] [<ffff8000000f28b4>] try_to_wake_up+0x44/0x3a8 [2244826.751430] [<ffff8000000f2c40>] wake_up_process+0x28/0x38 [2244826.757059] [<ffff80000011433c>] __rwsem_do_wake+0x10c/0x1b0 [2244826.762861] [<ffff80000090ef30>] rwsem_down_write_failed+0x328/0x340 [2244826.769354] [<ffff80000090e320>] down_write+0x60/0x80 [2244826.774553] [<ffff80000020c640>] vma_adjust+0xe0/0x590 [2244826.779835] [<ffff80000020ccb8>] __split_vma.isra.4+0x1c8/0x1e0 [2244826.785897] [<ffff80000020e104>] split_vma+0x4c/0x68 [2244826.791007] [<ffff800000210920>] mprotect_fixup+0x210/0x250 [2244826.796721] [<ffff800000210aa0>] SyS_mprotect+0x140/0x248 [2244826.802265] [<ffff800000085df0>] el0_svc_naked+0x24/0x28 [2244826.807721] Code: d503201f d53b4220 d50342df f9800271 (885ffe61) [2244826.814020] ---[ end trace 3a36dbdcaf25eaa2 ]--- == To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1766624/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
