[ 43.332044] Alignment trap: not handling instruction e1903f9f at [] [ 43.332092] Unhandled fault: alignment exception (0x001) at 0xc5b4a2ff [ 43.332118] Internal error: : 1 [#1] SMP ARM [ 43.332136] Modules linked in: [ 43.332161] CPU: 1 PID: 1063 Comm: kworker/u4:0 Not tainted 3.14.0-rc6-00163-g4c89db4 #7 [ 43.332191] task: c58aed00 ti: c591a000 task.ti: c591a000 [ 43.332222] PC is at commit_creds+0x44/0x250 [ 43.332244] LR is at ____call_usermodehelper+0x130/0x16c [ 43.332264] pc : [] lr : [] psr: 200f0013 [ 43.332264] sp : c591bf78 ip : 00000000 fp : 00000000 [ 43.332296] r10: 00000000 r9 : 00000000 r8 : 00000000 [ 43.332314] r7 : 00000000 r6 : c58aed00 r5 : c5b4a2ff r4 : c5815c00 [ 43.332334] r3 : 00000001 r2 : 00000001 r1 : 00000000 r0 : c5b4a2ff [ 43.332357] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 43.332380] Control: 10c5387d Table: 6d9d006a DAC: 00000015 [ 43.332400] Process kworker/u4:0 (pid: 1063, stack limit = 0xc591a240) [ 43.332422] Stack: (0xc591bf78 to 0xc591c000) [ 43.332441] bf60: 00000000 0000000 0 [ 43.332468] bf80: 00000000 c5b4a2ff c5b4a2ff c589e300 00000000 00000000 00000000 c002e81 4 [ 43.332496] bfa0: c589e300 c002e6e4 00000000 c000eab8 00000000 00000000 00000000 0000000 0 [ 43.332523] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000 0 [ 43.332550] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 0000000 0 [ 43.332591] [] (commit_creds) from [] (____call_usermodehelper+0x130 /0x16c) [ 43.332626] [] (____call_usermodehelper) from [] (ret_from_fork+0x14 /0x3c) [ 43.332657] Code: e3530000 da000082 f590f000 e1903f9f (e2833001) [ 43.332682] ---[ end trace 84ae17060566a4e5 ]--- [ 43.339266] Alignment trap: not handling instruction e1931f9f at [] [ 43.339320] Unhandled fault: alignment exception (0x001) at 0xc5815379 [ 43.339345] Internal error: : 1 [#2] SMP ARM [ 43.339363] Modules linked in: [ 43.339389] CPU: 0 PID: 730 Comm: rs:main Q:Reg Tainted: G D 3.14.0-rc6-00163-g4c89db4 #7 [ 43.339417] task: c3ec43c0 ti: c3c24000 task.ti: c3c24000 [ 43.339449] PC is at override_creds+0x24/0x58 [ 43.339471] LR is at SyS_faccessat+0x74/0x1cc [ 43.339490] pc : [] lr : [] psr: 20070013 [ 43.339490] sp : c3c25f70 ip : 00000000 fp : 00000000 [ 43.339522] r10: 00000000 r9 : 00000000 r8 : 00000010 [ 43.339541] r7 : b6f6a868 r6 : ffffff9c r5 : c5815379 r4 : 00000001 [ 43.339561] r3 : c5815379 r2 : c594f880 r1 : 00000001 r0 : c5815379 [ 43.339584] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 43.339606] Control: 10c5387d Table: 6d90806a DAC: 00000015 [ 43.339627] Process rs:main Q:Reg (pid: 730, stack limit = 0xc3c24240) [ 43.339648] Stack: (0xc3c25f70 to 0xc3c26000) [ 43.339668] 5f60: 00000000 0000004e c000eba4 b6df43f0 [ 43.339696] 5f80: 00000008 b6f6a868 b6f7a970 00039690 00000021 c000eba4 c3c24000 00000000 [ 43.339724] 5fa0: 00000000 c000ea20 b6f6a868 b6f7a970 b6f6a868 00000000 00000000 00000000 [ 43.339752] 5fc0: b6f6a868 b6f7a970 00039690 00000021 000609e8 b5400468 00000001 00000000 [ 43.339779] 5fe0: 0004b1ec b6df3d64 b6f4e1c5 b6f20a06 60070030 b6f6a868 00000000 00000000 [ 43.339820] [] (override_creds) from [] (SyS_faccessat+0x74/0x1cc) [ 43.339855] [] (SyS_faccessat) from [] (ret_fast_syscall+0x0/0x30) [ 43.339884] Code: e592200c e5922294 f590f000 e1931f9f (e2811001) [ 43.339910] ---[ end trace 84ae17060566a4e6 ]--- [ 43.345056] Kernel panic - not syncing: CRED: put_cred_rcu() sees c5815a80 with usage -5 [ 43.345056] [ 43.354872] CPU1: stopping [ 43.354895] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 3.14.0-rc6-00163-g4c89db4 #7 [ 43.354943] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 43.354977] [] (show_stack) from [] (dump_stack+0x84/0x94) [ 43.355008] [] (dump_stack) from [] (handle_IPI+0x14c/0x174) [ 43.355037] [] (handle_IPI) from [] (gic_handle_irq+0x58/0x5c) [ 43.355066] [] (gic_handle_irq) from [] (__irq_svc+0x40/0x50) [ 43.355088] Exception stack(0xc6495ec8 to 0xc6495f10) [ 43.355110] 5ec0: 00000001 ffff9bc0 00000100 00000001 00000002 0000001b [ 43.355138] 5ee0: 00000000 c6494000 c050078c c0700080 c07414d7 c6494000 c0742880 c6495f10 [ 43.355163] 5f00: 00000000 c0020c34 200f0113 ffffffff [ 43.355190] [] (__irq_svc) from [] (__do_softirq+0xcc/0x24c) [ 43.355221] [] (__do_softirq) from [] (irq_exit+0xac/0xf4) [ 43.355251] [] (irq_exit) from [] (handle_IRQ+0x44/0x90) [ 43.355279] [] (handle_IRQ) from [] (gic_handle_irq+0x2c/0x5c) [ 43.355307] [] (gic_handle_irq) from [] (__irq_svc+0x40/0x50) [ 43.355329] Exception stack(0xc6495f98 to 0xc6495fe0) [ 43.355348] 5f80: ffffffed 077e6000 [ 43.355376] 5fa0: c070746c 00000000 c0706474 c6494000 c07063f8 c07414d7 c050078c c6494000 [ 43.355404] 5fc0: c07414d7 c6494000 c070d900 c6495fe0 c000f600 c000f5f8 600f0113 ffffffff [ 43.355434] [] (__irq_svc) from [] (arch_cpu_idle+0x2c/0x38) [ 43.355464] [] (arch_cpu_idle) from [] (cpu_startup_entry+0x100/0x144) [ 43.355494] [] (cpu_startup_entry) from [<68008624>] (0x68008624) (XEN) Assertion 'svc == CSCHED_VCPU(curr_on_cpu(svc->vcpu->processor))' failed, line 351, file sched_credit.c (XEN) Xen BUG at sched_credit.c:351 (XEN) CPU1: Unexpected Trap: Undefined Instruction (XEN) ----[ Xen-4.4.1-pre arm32 debug=y Not tainted ]---- (XEN) CPU: 1 (XEN) PC: 002414cc __bug+0x28/0x44 (XEN) CPSR: 2000015a MODE:Hypervisor (XEN) R0: 002656dc R1: 00000000 R2: 3fd2bd80 R3: 2000015a (XEN) R4: 0000015f R5: 0025d9d0 R6: 40006230 R7: 47fe4be0 (XEN) R8: 47fe4be0 R9: 002b1ff0 R10:002e4254 R11:47fd7e7c R12:00000001 (XEN) HYP: SP: 47fd7e74 LR: 002414cc (XEN) (XEN) VTCR_EL2: 80002558 (XEN) VTTBR_EL2: 000200007ec30000 (XEN) (XEN) SCTLR_EL2: 30cd187f (XEN) HCR_EL2: 0000000000282835 (XEN) TTBR0_EL2: 0000000076011000 (XEN) (XEN) ESR_EL2: 00000000 (XEN) HPFAR_EL2: 000000000001c810 (XEN) HDFAR: c8800f00 (XEN) HIFAR: 81741022 (XEN) (XEN) Xen stack trace from sp=47fd7e74: (XEN) 00000000 47fd7e9c 00219cdc 00000007 40006be8 00000001 40006230 47fe4be0 (XEN) 00265e00 47fd7ed4 0021ba74 016e3600 002e4254 47fd7edc 002524dc 47fd7eb8 (XEN) 40012100 0021b914 00000001 40010038 40006bf8 002b1ff0 002e4254 47fd7eec (XEN) 0022d738 00000007 5cdc0182 00000007 40012100 47fd7f0c 0022d828 00000001 (XEN) 002b1ff0 002ae000 002e7614 00265b80 002b1ff0 47fd7f3c 00229b28 00000000 (XEN) ffffffff 002e7614 002ae000 002e7614 00000000 00000000 00000000 00000000 (XEN) 00000000 47fd7f44 00229bc0 47fd7f54 0024ee00 00000000 00000000 47fd7f58 (XEN) 00251150 0000007f 00000000 00000fc0 0000007f 00000000 00000000 00000000 (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 ffffffff 00000000 (XEN) 8000805c 600001d3 c2c2c2c2 00000000 00000000 00000000 00000000 00000000 (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (XEN) 00000000 00000000 c2c2c2c2 00000000 00000000 00000000 00000000 00000000 (XEN) c2c2c2c2 c2c2c2c2 c2c2c2c2 (XEN) Xen call trace: (XEN) [<002414cc>] __bug+0x28/0x44 (PC) (XEN) [<002414cc>] __bug+0x28/0x44 (LR) (XEN) [<00219cdc>] burn_credits+0x70/0x180 (XEN) [<0021ba74>] csched_tick+0x160/0x474 (XEN) [<0022d738>] execute_timer+0x48/0x5c (XEN) [<0022d828>] timer_softirq_action+0xdc/0x230 (XEN) [<00229b28>] __do_softirq+0xf4/0x100 (XEN) [<00229bc0>] do_softirq+0x14/0x18 (XEN) [<0024ee00>] leave_hypervisor_tail+0x5 [ 110.614905] INFO: rcu_sched detected stalls on CPUs/tasks: { 1} (detected by 0, t=2102 jiffies, g=314, c=313, q=315) then, on second attempt: (XEN) Xen BUG at sched_credit.c:1690 (XEN) CPU1: Unexpected Trap: Undefined Instruction (XEN) ----[ Xen-4.4.1-pre arm32 debug=y Not tainted ]---- (XEN) CPU: 1 (XEN) PC: 002414cc __bug+0x28/0x44 (XEN) CPSR: 200e01da MODE:Hypervisor (XEN) R0: 002656dc R1: 00000001 R2: 3fd2bd80 R3: 200e01da (XEN) R4: 0000069a R5: 0025d9d0 R6: 00000000 R7: 0000001e (XEN) R8: acfa22c1 R9: 0000001b R10:00000001 R11:40037df4 R12:00000002 (XEN) HYP: SP: 40037dec LR: 002414cc (XEN) (XEN) VTCR_EL2: 80002558 (XEN) VTTBR_EL2: 000100007ec06000 (XEN) (XEN) SCTLR_EL2: 30cd187f (XEN) HCR_EL2: 0000000000282835 (XEN) TTBR0_EL2: 0000000076011000 (XEN) (XEN) ESR_EL2: 00000000 (XEN) HPFAR_EL2: 000000000001c810 (XEN) HDFAR: c8800f00 (XEN) HIFAR: c07410a2 (XEN) (XEN) Xen stack trace from sp=40037dec: (XEN) 00000000 40037ea4 0021c13c 00000000 00000002 0000001e 00000001 00000000 (XEN) 00000000 0000ad28 0000ba54 4003a000 00000000 ad28ba54 0000001b 00000000 (XEN) 40006230 00000000 00000000 00000000 00000000 40037ed0 fb65b800 40012100 (XEN) 00000001 00000001 002e4020 002e6380 002e6380 600e01da 40012058 40037e7c (XEN) 0022d4c8 3fd2bd80 40012040 40037ea4 0022e52c 4001202c ad28ba54 0000001b (XEN) 4003b000 002e4020 40012040 4001202c 00000001 40037f0c 00225f84 00000000 (XEN) 4003b4a8 40037efc 40012028 00000000 40037f20 4003b000 93840047 40037eec (XEN) 0022884c 00000000 93840047 40037eec 07e00000 40037f58 c07063f8 40037f54 (XEN) 00000001 002b1ff4 002ae000 002e7614 00265b80 002b1ff0 002e4254 40037f3c (XEN) 00229b28 00000000 ffffffff 01c81000 002ae000 002e7614 c07063f8 c07414d7 (XEN) c050078c c06fe000 c07414d7 40037f44 00229bc0 40037f54 0024ee00 c0706474 (XEN) c06fe000 40037f58 00251150 ffffffed 077de000 c070746c 00000000 c0706474 (XEN) c06fe000 c07063f8 c07414d7 c050078c c06fe000 c07414d7 c06fe000 c070d900 (XEN) ffffffff b6ba0eeb c0019d28 600e0093 00000000 bee930e8 c0742080 c0012400 (XEN) c06fffa8 c000f600 c074208c c00123a0 c0742098 c00125e0 00000000 00000000 (XEN) 00000000 00000000 00000000 00000000 00000000 600e0030 800e0193 20070093 (XEN) 20000193 00000000 00000000 030c3080 651a8c04 (XEN) Xen call trace: (XEN) [<002414cc>] __bug+0x28/0x44 (PC) (XEN) [<002414cc>] __bug+0x28/0x44 (LR) (XEN) [<0021c13c>] csched_schedule+0x3b4/0xee8 (XEN) [<00225f84>] schedule+0x13c/0x8c8 (XEN) [<00229b28>] __do_softirq+0xf4/0x100 (XEN) [<00229bc0>] do_softirq+0x14/0x18 (XEN) [<0024ee00>] leave_hypervisor_tail+0x50/0x6c (XEN) [<00251150>] return_to_guest+0xc/0xb8 (XEN) Assertion 'svc == CSCHED_VCPU(curr_on_cpu(svc->vcpu->processor))' failed, line 351, file sched_credit.c (XEN) Xen BUG at sched_credit.c:351 (XEN) CPU0: Unexpected Trap: Undefined Instruction (XEN) ----[ Xen-4.4.1-pre arm32 debug=y Not tainted ]---- (XEN) CPU: 0 (XEN) PC: 002414cc __bug+0x28/0x44 (XEN) CPSR: 2000015a MODE:Hypervisor (XEN) R0: 002656dc R1: 00000000 R2: 00000000 R3: 2000015a (XEN) R4: 0000015f R5: 0025d9d0 R6: 40006230 R7: 400277e8 (XEN) R8: 400277e8 R9: 002b1ff0 R10:002e4254 R11:47fd7e7c R12:00000001 (XEN) HYP: SP: 47fd7e74 LR: 002414cc (XEN) (XEN) VTCR_EL2: 80002558 (XEN) VTTBR_EL2: 000200007ec30000 (XEN) (XEN) SCTLR_EL2: 30cd187f (XEN) HCR_EL2: 0000000000282835 (XEN) TTBR0_EL2: 000000007fedf000 (XEN) (XEN) ESR_EL2: 00000000 (XEN) HPFAR_EL2: 000000000001c810 (XEN) HDFAR: c8800f00 (XEN) HIFAR: 01930940 (XEN) (XEN) Xen stack trace from sp=47fd7e74: (XEN) 00000000 47fd7e9c 00219cdc 00000008 40006528 00000000 40006230 400277e8 (XEN) 00265e00 47fd7ed4 0021ba74 016e3600 002e4254 47fd7edc 002524dc 47fd7eb8 (XEN) 002e6380 0021b914 00000000 40006c48 40006538 002b1ff0 002e4254 47fd7eec (XEN) 0022d738 00000008 e18d709f 00000008 002e6380 47fd7f0c 0022d828 00000000 (XEN) 002b1ff0 002ae000 002e7614 00265b80 002b1ff0 47fd7f3c 00229b28 00000000 (XEN) ffffffff 002e7614 002ae000 002e7614 00000000 00000000 00000000 00000000 (XEN) 00000000 47fd7f44 00229bc0 47fd7f54 0024ee00 00000000 00000000 47fd7f58 (XEN) 00251150 0000007f 00000000 00000fc0 0000007f 00000000 00000000 00000000 (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 ffffffff 00000000 (XEN) 8000805c 600001d3 c2c2c2c2 00000000 00000000 00000000 00000000 00000000 (XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 (XEN) 00000000 00000000 c2c2c2c2 00000000 00000000 00000000 00000000 00000000 (XEN) c2c2c2c2 c2c2c2c2 c2c2c2c2 (XEN) Xen call trace: (XEN) [<002414cc>] __bug+0x28/0x44 (PC) (XEN) [<002414cc>] __bug+0x28/0x44 (LR) (XEN) [<00219cdc>] burn_credits+0x70/0x180 (XEN) [<0021ba74>] csched_tick+0x160/0x474 (XEN) [<0022d738>] execute_timer+0x48/0x5c (XEN) [<0022d828>] timer_softirq_action+0xdc/0x230 (XEN) [<00229b28>] __do_softirq+0xf4/0x100 (XEN) [<00229bc0>] do_softirq+0x14/0x18 (XEN) [<0024ee00>] leave_hypervisor_tail+0x50/0x6c (XEN) [<00251150>] return_to_guest+0xc/0xb8