Public bug reported:
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 ]---
==
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: xenial
--
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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 ]---
==
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