This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1766624 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: xenial -- 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