On 03/03/2017 18:10, Mason wrote: > On 03/03/2017 17:18, Mason wrote: >> Hello, >> >> I'm seeing this panic randomly at boot-time, so I want to throw >> it out there in case someone recognizes the issue off the top of >> their head. >> >> I'm on Linux 4.9, using a USB3 PCIe card. I'm actively working on >> the PCIe support, so I may be responsible for the crash by virtue >> of something I did or didn't do (e.g. I haven't set up the IRQs >> correctly, but I didn't think it would crash the system). >> >> [ 0.987520] OF: PCI: host bridge /soc/pcie@50000000 ranges: >> [ 0.993236] OF: PCI: No bus range found for /soc/pcie@50000000, using [bus 00-ff] >> [ 1.001034] OF: PCI: Parsing ranges property... >> [ 1.005693] OF: PCI: MEM 0x90000000..0x9fffffff -> 0x90000000 >> [ 1.014791] pci-host-generic 50000000.pcie: ECAM at [mem 0x50000000-0x5fffffff] for [bus 00-ff] >> [ 1.028570] pci-host-generic 50000000.pcie: PCI host bridge to bus 0000:00 >> [ 1.035597] pci_bus 0000:00: root bus resource [bus 00-ff] >> [ 1.041212] pci_bus 0000:00: root bus resource [mem 0x90000000-0x9fffffff] >> [ 1.048219] pci_bus 0000:00: scanning bus >> [ 1.052376] pci 0000:00:00.0: [1105:0024] type 01 class 0x048000 >> [ 1.058529] pci 0000:00:00.0: calling tango_pcie_fixup_class+0x0/0x10 >> [ 1.065119] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x00ffffff 64bit] >> [ 1.072068] pci 0000:00:00.0: calling pci_fixup_ide_bases+0x0/0x40 >> [ 1.078415] pci 0000:00:00.0: supports D1 D2 >> [ 1.082803] pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot >> [ 1.088937] pci 0000:00:00.0: PME# disabled >> [ 1.093445] pci_bus 0000:00: fixups for bus >> [ 1.097753] PCI: bus0: Fast back to back transfers disabled >> [ 1.103453] pci 0000:00:00.0: scanning [bus 00-00] behind bridge, pass 0 >> [ 1.110286] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring >> [ 1.118433] pci 0000:00:00.0: scanning [bus 00-00] behind bridge, pass 1 >> [ 1.125385] pci_bus 0000:01: scanning bus >> [ 1.129557] pci 0000:01:00.0: [1912:0014] type 00 class 0x0c0330 >> [ 1.135727] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit] >> [ 1.142730] pci 0000:01:00.0: calling pci_fixup_ide_bases+0x0/0x40 >> [ 1.149150] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold >> [ 1.155375] pci 0000:01:00.0: PME# disabled >> [ 1.159976] pci_bus 0000:01: fixups for bus >> [ 1.164305] PCI: bus1: Fast back to back transfers disabled >> [ 1.170002] pci_bus 0000:01: bus scan returning with max=01 >> [ 1.175701] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 >> [ 1.182447] pci_bus 0000:00: bus scan returning with max=01 >> [ 1.188147] pci 0000:00:00.0: fixup irq: got 0 >> [ 1.192707] pci 0000:00:00.0: assigning IRQ 00 >> [ 1.197294] pci 0000:01:00.0: fixup irq: got 20 >> [ 1.201945] pci 0000:01:00.0: assigning IRQ 20 >> [ 1.206533] pci 0000:00:00.0: BAR 0: assigned [mem 0x90000000-0x90ffffff 64bit] >> [ 1.213984] pci 0000:00:00.0: BAR 8: assigned [mem 0x91000000-0x910fffff] >> [ 1.220908] pci 0000:01:00.0: BAR 0: assigned [mem 0x91000000-0x91001fff 64bit] >> [ 1.228363] pci 0000:00:00.0: PCI bridge to [bus 01] >> [ 1.233449] pci 0000:00:00.0: bridge window [mem 0x91000000-0x910fffff] >> [ 1.240419] pcieport 0000:00:00.0: enabling device (0140 -> 0142) >> [ 1.246648] pcieport 0000:00:00.0: enabling bus mastering >> [ 1.252321] pci 0000:01:00.0: calling quirk_usb_early_handoff+0x0/0x790 >> [ 1.259077] pci 0000:01:00.0: enabling device (0140 -> 0142) >> [ 1.264893] Unable to handle kernel paging request at virtual address d08664f4 >> [ 1.272248] pgd = c0004000 >> [ 1.275060] [d08664f4] *pgd=8f804811, *pte=00000000, *ppte=00000000 >> [ 1.281476] Internal error: Oops: 7 [#1] PREEMPT SMP ARM >> [ 1.286897] Modules linked in: >> [ 1.290053] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.7-1-rc2 #151 >> [ 1.296696] Hardware name: Sigma Tango DT >> [ 1.300808] task: cf82c9c0 task.stack: cf838000 >> [ 1.305446] PC is at quirk_usb_early_handoff+0x3e8/0x790 >> [ 1.310873] LR is at ioremap_page_range+0xf8/0x1a8 >> [ 1.315771] pc : [<c039fe8c>] lr : [<c02d0a10>] psr: 000e0013 >> [ 1.315771] sp : cf839d78 ip : 00000000 fp : cf839e38 >> [ 1.327482] r10: c10248a0 r9 : 00000000 r8 : d08664f4 >> [ 1.332816] r7 : d084e000 r6 : 00002000 r5 : 000c0300 r4 : cfb5f800 >> [ 1.339460] r3 : 000184f4 r2 : 00000000 r1 : 91001e13 r0 : d084e000 >> [ 1.346105] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none >> [ 1.353361] Control: 10c5387d Table: 8fa9c04a DAC: 00000051 >> [ 1.359218] Process swapper/0 (pid: 1, stack limit = 0xcf838210) >> [ 1.365339] Stack: (0xcf839d78 to 0xcf83a000) >> [ 1.369800] 9d60: c058f578 c058b180 >> [ 1.378107] 9d80: cfb55240 cf839d98 c0350218 c05adccc cfb5f800 c05adcdc cf838000 00000000 >> [ 1.386413] 9da0: 00000000 c10248a0 cf839e38 c030bfa4 cf923b80 c034e69c cf867270 00000000 >> [ 1.394719] 9dc0: cfb5f800 cf9ef414 cf9ef400 cf839e30 cf923b80 00000000 cf906010 c02fa484 >> [ 1.403025] 9de0: cfb5f800 cf9ef414 cf9ef400 c02fa538 cfb5fc00 cf9ef814 cf9ef800 c02fa56c >> [ 1.411330] 9e00: cf9ef80c cf9ef80c cf9ef800 c031387c cf839e30 cfaa39b0 c05178c8 c10101d8 >> [ 1.419636] 9e20: cf881780 00000000 cf906000 c058cd2c cf839e30 cf839e30 50000000 5fffffff >> [ 1.427942] 9e40: cfdf7764 00000200 00000000 00000000 00000000 00000000 c1057de8 cf906010 >> [ 1.436248] 9e60: c1010208 cf906044 c1010208 00000000 00000007 00000000 cfffcec0 c0351624 >> [ 1.444553] 9e80: c1056fb0 cf906010 cf906044 c03500c0 cf906010 c1010208 cf906044 c10177d0 >> [ 1.452859] 9ea0: 00000073 c0350214 00000000 c1010208 c0350150 c034e5e8 cf80545c cf8a60b4 >> [ 1.461165] 9ec0: c1010208 cf9b8a00 00000000 c034f72c c058cd84 c0616a64 c0633cb0 c1010208 >> [ 1.469471] 9ee0: c0616a64 c0633cb0 c0628834 c0350770 ffffe000 c0616a64 c0633cb0 c0101834 >> [ 1.477776] 9f00: c104a354 c100a5c8 00000000 c0220830 00000000 cf87cf00 00000000 c1009370 >> [ 1.486082] 9f20: cfffceee c050fa08 00000073 c0132aec c059a1c4 c05da4a4 00000000 00000006 >> [ 1.494388] 9f40: 00000006 c05723fc c1009358 c1024880 c1024880 c1024880 c0633cb0 c0628834 >> [ 1.502693] 9f60: 00000073 00000007 c062883c c0600db4 00000006 00000006 00000000 c06005ac >> [ 1.510999] 9f80: 1113a9b3 00000000 c049fafc 00000000 00000000 00000000 00000000 00000000 >> [ 1.519304] 9fa0: 00000000 c049fb04 00000000 c01077b8 00000000 00000000 00000000 00000000 >> [ 1.527609] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >> [ 1.535914] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 2338eece a019c832 >> [ 1.544236] [<c039fe8c>] (quirk_usb_early_handoff) from [<c030bfa4>] (pci_do_fixups+0xc8/0x158) >> [ 1.553077] [<c030bfa4>] (pci_do_fixups) from [<c02fa484>] (pci_bus_add_device+0x18/0x90) >> [ 1.561386] [<c02fa484>] (pci_bus_add_device) from [<c02fa538>] (pci_bus_add_devices+0x3c/0x80) >> [ 1.570218] [<c02fa538>] (pci_bus_add_devices) from [<c02fa56c>] (pci_bus_add_devices+0x70/0x80) >> [ 1.579140] [<c02fa56c>] (pci_bus_add_devices) from [<c031387c>] (pci_host_common_probe+0xfc/0x324) >> [ 1.588328] [<c031387c>] (pci_host_common_probe) from [<c0351624>] (platform_drv_probe+0x34/0x7c) >> [ 1.597337] [<c0351624>] (platform_drv_probe) from [<c03500c0>] (really_probe+0x1c4/0x254) >> [ 1.605733] [<c03500c0>] (really_probe) from [<c0350214>] (__driver_attach+0xc4/0xc8) >> [ 1.613691] [<c0350214>] (__driver_attach) from [<c034e5e8>] (bus_for_each_dev+0x68/0x9c) >> [ 1.621998] [<c034e5e8>] (bus_for_each_dev) from [<c034f72c>] (bus_add_driver+0x1a0/0x218) >> [ 1.630393] [<c034f72c>] (bus_add_driver) from [<c0350770>] (driver_register+0x78/0xf8) >> [ 1.638527] [<c0350770>] (driver_register) from [<c0101834>] (do_one_initcall+0x44/0x174) >> [ 1.646845] [<c0101834>] (do_one_initcall) from [<c0600db4>] (kernel_init_freeable+0x154/0x1e4) >> [ 1.655678] [<c0600db4>] (kernel_init_freeable) from [<c049fb04>] (kernel_init+0x8/0x10c) >> [ 1.663990] [<c049fb04>] (kernel_init) from [<c01077b8>] (ret_from_fork+0x14/0x3c) >> [ 1.671686] Code: e3500000 e0833100 0affffcb e0878003 (e5982000) >> [ 1.677929] ---[ end trace f034f5427be1ec2c ]--- >> [ 1.682673] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b >> [ 1.682673] >> [ 1.692032] CPU1: stopping >> [ 1.694837] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.9.7-1-rc2 #151 >> [ 1.702703] Hardware name: Sigma Tango DT >> [ 1.706831] [<c010ed94>] (unwind_backtrace) from [<c010ae24>] (show_stack+0x10/0x14) >> [ 1.714703] [<c010ae24>] (show_stack) from [<c02cecc0>] (dump_stack+0x78/0x8c) >> [ 1.722051] [<c02cecc0>] (dump_stack) from [<c010dc10>] (handle_IPI+0x198/0x1ac) >> [ 1.729571] [<c010dc10>] (handle_IPI) from [<c01014a4>] (gic_handle_irq+0x88/0x8c) >> [ 1.737266] [<c01014a4>] (gic_handle_irq) from [<c010b90c>] (__irq_svc+0x6c/0xa8) >> [ 1.744869] Exception stack(0xcf859f98 to 0xcf859fe0) >> [ 1.750028] 9f80: 00000001 00000000 >> [ 1.758334] 9fa0: 000017b2 c0114620 cf858000 c1002fe4 c1003048 00000002 c100ba2e 413fc090 >> [ 1.766640] 9fc0: 00000000 00000000 00000001 cf859fe8 c0108220 c0108224 60000013 ffffffff >> [ 1.774946] [<c010b90c>] (__irq_svc) from [<c0108224>] (arch_cpu_idle+0x38/0x3c) >> [ 1.782472] [<c0108224>] (arch_cpu_idle) from [<c0151f4c>] (cpu_startup_entry+0xcc/0x144) >> [ 1.790782] [<c0151f4c>] (cpu_startup_entry) from [<8010154c>] (0x8010154c) >> [ 1.797867] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > > Had another one, with a different faulting address: > > [ 0.986295] OF: PCI: host bridge /soc/pcie@50000000 ranges: > [ 0.992004] OF: PCI: No bus range found for /soc/pcie@50000000, using [bus 00-ff] > [ 0.999798] OF: PCI: Parsing ranges property... > [ 1.004457] OF: PCI: MEM 0x90000000..0x9fffffff -> 0x90000000 > [ 1.013472] pci-host-generic 50000000.pcie: ECAM at [mem 0x50000000-0x5fffffff] for [bus 00-ff] > [ 1.022605] pci-host-generic 50000000.pcie: PCI host bridge to bus 0000:00 > [ 1.029638] pci_bus 0000:00: root bus resource [bus 00-ff] > [ 1.035250] pci_bus 0000:00: root bus resource [mem 0x90000000-0x9fffffff] > [ 1.042257] pci_bus 0000:00: scanning bus > [ 1.046407] pci 0000:00:00.0: [1105:0024] type 01 class 0x048000 > [ 1.052560] pci 0000:00:00.0: calling tango_pcie_fixup_class+0x0/0x10 > [ 1.059143] pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x00ffffff 64bit] > [ 1.066086] pci 0000:00:00.0: calling pci_fixup_ide_bases+0x0/0x40 > [ 1.072428] pci 0000:00:00.0: supports D1 D2 > [ 1.076815] pci 0000:00:00.0: PME# supported from D0 D1 D2 D3hot > [ 1.082950] pci 0000:00:00.0: PME# disabled > [ 1.087453] pci_bus 0000:00: fixups for bus > [ 1.091762] PCI: bus0: Fast back to back transfers disabled > [ 1.097463] pci 0000:00:00.0: scanning [bus 00-00] behind bridge, pass 0 > [ 1.104323] pci 0000:00:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring > [ 1.112470] pci 0000:00:00.0: scanning [bus 00-00] behind bridge, pass 1 > [ 1.119423] pci_bus 0000:01: scanning bus > [ 1.123593] pci 0000:01:00.0: [1912:0014] type 00 class 0x0c0330 > [ 1.129770] pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit] > [ 1.136775] pci 0000:01:00.0: calling pci_fixup_ide_bases+0x0/0x40 > [ 1.143197] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold > [ 1.149421] pci 0000:01:00.0: PME# disabled > [ 1.154024] pci_bus 0000:01: fixups for bus > [ 1.158332] PCI: bus1: Fast back to back transfers disabled > [ 1.164030] pci_bus 0000:01: bus scan returning with max=01 > [ 1.169728] pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 > [ 1.176476] pci_bus 0000:00: bus scan returning with max=01 > [ 1.182175] pci 0000:00:00.0: fixup irq: got 0 > [ 1.186736] pci 0000:00:00.0: assigning IRQ 00 > [ 1.191322] pci 0000:01:00.0: fixup irq: got 20 > [ 1.195971] pci 0000:01:00.0: assigning IRQ 20 > [ 1.200556] pci 0000:00:00.0: BAR 0: assigned [mem 0x90000000-0x90ffffff 64bit] > [ 1.208009] pci 0000:00:00.0: BAR 8: assigned [mem 0x91000000-0x910fffff] > [ 1.214932] pci 0000:01:00.0: BAR 0: assigned [mem 0x91000000-0x91001fff 64bit] > [ 1.222387] pci 0000:00:00.0: PCI bridge to [bus 01] > [ 1.227473] pci 0000:00:00.0: bridge window [mem 0x91000000-0x910fffff] > [ 1.234445] pcieport 0000:00:00.0: enabling device (0140 -> 0142) > [ 1.240676] pcieport 0000:00:00.0: enabling bus mastering > [ 1.246350] pci 0000:01:00.0: calling quirk_usb_early_handoff+0x0/0x790 > [ 1.253108] pci 0000:01:00.0: enabling device (0140 -> 0142) > [ 1.258926] Unable to handle kernel paging request at virtual address d0863f70 > [ 1.266284] pgd = c0004000 > [ 1.269097] [d0863f70] *pgd=8f804811, *pte=00000000, *ppte=00000000 > [ 1.275512] Internal error: Oops: 7 [#1] PREEMPT SMP ARM > [ 1.280933] Modules linked in: > [ 1.284089] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.7-1-rc2 #157 > [ 1.290732] Hardware name: Sigma Tango DT > [ 1.294843] task: cf82c9c0 task.stack: cf838000 > [ 1.299482] PC is at quirk_usb_early_handoff+0x3e8/0x790 > [ 1.304907] LR is at ioremap_page_range+0xf8/0x1a8 > [ 1.309806] pc : [<c039fe44>] lr : [<c02d0a10>] psr: 000e0013 > [ 1.309806] sp : cf839d78 ip : 00000000 fp : cf839e38 > [ 1.321517] r10: c10248a0 r9 : 00000000 r8 : d0863f70 > [ 1.326851] r7 : d084e000 r6 : 00002000 r5 : 000c0300 r4 : cfb52800 > [ 1.333495] r3 : 00015f70 r2 : 00000000 r1 : 91001e13 r0 : d084e000 > [ 1.340140] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none > [ 1.347395] Control: 10c5387d Table: 8faa404a DAC: 00000051 > [ 1.353253] Process swapper/0 (pid: 1, stack limit = 0xcf838210) > [ 1.359373] Stack: (0xcf839d78 to 0xcf83a000) > [ 1.363834] 9d60: c058f56c c058b174 > [ 1.372141] 9d80: cfb48240 cf839d98 c03501cc c05adcc4 cfb52800 c05adcd4 cf838000 00000000 > [ 1.380447] 9da0: 00000000 c10248a0 cf839e38 c030bf58 cf884600 c034e650 cf867270 00000000 > [ 1.388752] 9dc0: cfb52800 cf9f2414 cf9f2400 cf839e30 cf884600 00000000 cf906010 c02fa484 > [ 1.397058] 9de0: cfb52800 cf9f2414 cf9f2400 c02fa538 cfb52c00 cf9f2814 cf9f2800 c02fa56c > [ 1.405364] 9e00: cf9f280c cf9f280c cf9f2800 c0313830 cf839e30 cf9fa9b0 c05178b0 c10101d8 > [ 1.413670] 9e20: cf881400 00000000 cf906000 c058cd20 cf839e30 cf839e30 50000000 5fffffff > [ 1.421976] 9e40: cfdf7764 00000200 00000000 00000000 00000000 00000000 c1057de8 cf906010 > [ 1.430281] 9e60: c1010208 cf906044 c1010208 00000000 00000007 00000000 cfffcec0 c03515d8 > [ 1.438588] 9e80: c1056fb0 cf906010 cf906044 c0350074 cf906010 c1010208 cf906044 c10177d0 > [ 1.446894] 9ea0: 00000073 c03501c8 00000000 c1010208 c0350104 c034e59c cf80545c cf8a60b4 > [ 1.455200] 9ec0: c1010208 cfa0ef00 00000000 c034f6e0 c058cd78 c0616a64 c0633cb0 c1010208 > [ 1.463506] 9ee0: c0616a64 c0633cb0 c0628834 c0350724 ffffe000 c0616a64 c0633cb0 c0101834 > [ 1.471811] 9f00: c05da71c cfffcec4 00000000 cfffcec9 00000000 cf839f30 c013291c c0132adc > [ 1.480117] 9f20: cfffceee c050fa08 00000073 c0132aec c059a1b8 c05da49c 00000000 00000006 > [ 1.488423] 9f40: 00000006 c05723fc c1009358 c1024880 c1024880 c1024880 c0633cb0 c0628834 > [ 1.496728] 9f60: 00000073 00000007 c062883c c0600db4 00000006 00000006 00000000 c06005ac > [ 1.505034] 9f80: aa83c9e6 00000000 c049fab4 00000000 00000000 00000000 00000000 00000000 > [ 1.513339] 9fa0: 00000000 c049fabc 00000000 c01077b8 00000000 00000000 00000000 00000000 > [ 1.521644] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 > [ 1.529949] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 94c2dc87 babd118e > [ 1.538273] [<c039fe44>] (quirk_usb_early_handoff) from [<c030bf58>] (pci_do_fixups+0xc8/0x158) > [ 1.547113] [<c030bf58>] (pci_do_fixups) from [<c02fa484>] (pci_bus_add_device+0x18/0x90) > [ 1.555423] [<c02fa484>] (pci_bus_add_device) from [<c02fa538>] (pci_bus_add_devices+0x3c/0x80) > [ 1.564255] [<c02fa538>] (pci_bus_add_devices) from [<c02fa56c>] (pci_bus_add_devices+0x70/0x80) > [ 1.573178] [<c02fa56c>] (pci_bus_add_devices) from [<c0313830>] (pci_host_common_probe+0xfc/0x324) > [ 1.582365] [<c0313830>] (pci_host_common_probe) from [<c03515d8>] (platform_drv_probe+0x34/0x7c) > [ 1.591375] [<c03515d8>] (platform_drv_probe) from [<c0350074>] (really_probe+0x1c4/0x254) > [ 1.599770] [<c0350074>] (really_probe) from [<c03501c8>] (__driver_attach+0xc4/0xc8) > [ 1.607728] [<c03501c8>] (__driver_attach) from [<c034e59c>] (bus_for_each_dev+0x68/0x9c) > [ 1.616036] [<c034e59c>] (bus_for_each_dev) from [<c034f6e0>] (bus_add_driver+0x1a0/0x218) > [ 1.624431] [<c034f6e0>] (bus_add_driver) from [<c0350724>] (driver_register+0x78/0xf8) > [ 1.632565] [<c0350724>] (driver_register) from [<c0101834>] (do_one_initcall+0x44/0x174) > [ 1.640882] [<c0101834>] (do_one_initcall) from [<c0600db4>] (kernel_init_freeable+0x154/0x1e4) > [ 1.649716] [<c0600db4>] (kernel_init_freeable) from [<c049fabc>] (kernel_init+0x8/0x10c) > [ 1.658026] [<c049fabc>] (kernel_init) from [<c01077b8>] (ret_from_fork+0x14/0x3c) > [ 1.665722] Code: e3500000 e0833100 0affffcb e0878003 (e5982000) > [ 1.671965] ---[ end trace 61b8b7d0e0f98e8c ]--- > [ 1.676708] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > [ 1.676708] > [ 1.686067] CPU1: stopping > [ 1.688872] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.9.7-1-rc2 #157 > [ 1.696738] Hardware name: Sigma Tango DT > [ 1.700865] [<c010ed94>] (unwind_backtrace) from [<c010ae24>] (show_stack+0x10/0x14) > [ 1.708738] [<c010ae24>] (show_stack) from [<c02cecc0>] (dump_stack+0x78/0x8c) > [ 1.716085] [<c02cecc0>] (dump_stack) from [<c010dc10>] (handle_IPI+0x198/0x1ac) > [ 1.723606] [<c010dc10>] (handle_IPI) from [<c01014a4>] (gic_handle_irq+0x88/0x8c) > [ 1.731301] [<c01014a4>] (gic_handle_irq) from [<c010b90c>] (__irq_svc+0x6c/0xa8) > [ 1.738905] Exception stack(0xcf859f98 to 0xcf859fe0) > [ 1.744064] 9f80: 00000001 00000000 > [ 1.752370] 9fa0: 000017b0 c0114620 cf858000 c1002fe4 c1003048 00000002 c100ba2e 413fc090 > [ 1.760676] 9fc0: 00000000 00000000 00000001 cf859fe8 c0108220 c0108224 60000013 ffffffff > [ 1.768983] [<c010b90c>] (__irq_svc) from [<c0108224>] (arch_cpu_idle+0x38/0x3c) > [ 1.776510] [<c0108224>] (arch_cpu_idle) from [<c0151f4c>] (cpu_startup_entry+0xcc/0x144) > [ 1.784819] [<c0151f4c>] (cpu_startup_entry) from [<8010154c>] (0x8010154c) > [ 1.791904] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b One more for the road: [ 1.261813] Unable to handle kernel paging request at virtual address d08611e4 [ 1.269167] pgd = c0004000 [ 1.271979] [d08611e4] *pgd=8f804811, *pte=00000000, *ppte=00000000 [ 1.278394] Internal error: Oops: 7 [#1] PREEMPT SMP ARM [ 1.283815] Modules linked in: [ 1.286970] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.7-1-rc2 #157 [ 1.293614] Hardware name: Sigma Tango DT [ 1.297726] task: cf82c9c0 task.stack: cf838000 [ 1.302364] PC is at quirk_usb_early_handoff+0x3e8/0x790 [ 1.307790] LR is at ioremap_page_range+0xf8/0x1a8 [ 1.312688] pc : [<c039fe44>] lr : [<c02d0a10>] psr: 000e0013 [ 1.312688] sp : cf839d78 ip : 00000000 fp : cf839e38 [ 1.324399] r10: c10248a0 r9 : 00000000 r8 : d08611e4 [ 1.329733] r7 : d084e000 r6 : 00002000 r5 : 000c0300 r4 : cfb4e800 [ 1.336377] r3 : 000131e4 r2 : 00000000 r1 : 91001e13 r0 : d084e000 [ 1.343022] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 1.350277] Control: 10c5387d Table: 8fa2c04a DAC: 00000051 [ 1.356135] Process swapper/0 (pid: 1, stack limit = 0xcf838210) [ 1.362255] Stack: (0xcf839d78 to 0xcf83a000) [ 1.366716] 9d60: c058f56c c058b174 [ 1.375022] 9d80: cfb44240 cf839d98 c03501cc c05adcc4 cfb4e800 c05adcd4 cf838000 00000000 [ 1.383328] 9da0: 00000000 c10248a0 cf839e38 c030bf58 cf886900 c034e650 cf867270 00000000 [ 1.391633] 9dc0: cfb4e800 cfa3e414 cfa3e400 cf839e30 cf886900 00000000 cf906010 c02fa484 [ 1.399939] 9de0: cfb4e800 cfa3e414 cfa3e400 c02fa538 cfb4ec00 cfa3e814 cfa3e800 c02fa56c [ 1.408245] 9e00: cfa3e80c cfa3e80c cfa3e800 c0313830 cf839e30 cf9ee9b0 c05178b0 c10101d8 [ 1.416551] 9e20: cf932140 00000000 cf906000 c058cd20 cf839e30 cf839e30 50000000 5fffffff [ 1.424856] 9e40: cfdf7764 00000200 00000000 00000000 00000000 00000000 c1057de8 cf906010 [ 1.433162] 9e60: c1010208 cf906044 c1010208 00000000 00000007 00000000 cfffcec0 c03515d8 [ 1.441468] 9e80: c1056fb0 cf906010 cf906044 c0350074 cf906010 c1010208 cf906044 c10177d0 [ 1.449774] 9ea0: 00000073 c03501c8 00000000 c1010208 c0350104 c034e59c cf80545c cf8a60b4 [ 1.458080] 9ec0: c1010208 cfa52480 00000000 c034f6e0 c058cd78 c0616a64 c0633cb0 c1010208 [ 1.466386] 9ee0: c0616a64 c0633cb0 c0628834 c0350724 ffffe000 c0616a64 c0633cb0 c0101834 [ 1.474692] 9f00: c01017f0 80000013 ffffffff cf839f54 00000000 cf838000 c062883c c010b90c [ 1.482997] 9f20: cfffceee c050fa08 00000073 c0132aec c059a1b8 c05da49c 00000000 00000006 [ 1.491303] 9f40: 00000006 c05723fc c062883c c1024880 c1024880 c1024880 c0633cb0 c0628834 [ 1.499608] 9f60: 00000073 00000007 c062883c c0600db4 00000006 00000006 00000000 c06005ac [ 1.507914] 9f80: c83b3b47 00000000 c049fab4 00000000 00000000 00000000 00000000 00000000 [ 1.516219] 9fa0: 00000000 c049fabc 00000000 c01077b8 00000000 00000000 00000000 00000000 [ 1.524524] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1.532829] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 9dbaf28f 56839b11 [ 1.541152] [<c039fe44>] (quirk_usb_early_handoff) from [<c030bf58>] (pci_do_fixups+0xc8/0x158) [ 1.549992] [<c030bf58>] (pci_do_fixups) from [<c02fa484>] (pci_bus_add_device+0x18/0x90) [ 1.558301] [<c02fa484>] (pci_bus_add_device) from [<c02fa538>] (pci_bus_add_devices+0x3c/0x80) [ 1.567133] [<c02fa538>] (pci_bus_add_devices) from [<c02fa56c>] (pci_bus_add_devices+0x70/0x80) [ 1.576055] [<c02fa56c>] (pci_bus_add_devices) from [<c0313830>] (pci_host_common_probe+0xfc/0x324) [ 1.585243] [<c0313830>] (pci_host_common_probe) from [<c03515d8>] (platform_drv_probe+0x34/0x7c) [ 1.594252] [<c03515d8>] (platform_drv_probe) from [<c0350074>] (really_probe+0x1c4/0x254) [ 1.602647] [<c0350074>] (really_probe) from [<c03501c8>] (__driver_attach+0xc4/0xc8) [ 1.610605] [<c03501c8>] (__driver_attach) from [<c034e59c>] (bus_for_each_dev+0x68/0x9c) [ 1.618912] [<c034e59c>] (bus_for_each_dev) from [<c034f6e0>] (bus_add_driver+0x1a0/0x218) [ 1.627307] [<c034f6e0>] (bus_add_driver) from [<c0350724>] (driver_register+0x78/0xf8) [ 1.635442] [<c0350724>] (driver_register) from [<c0101834>] (do_one_initcall+0x44/0x174) [ 1.643759] [<c0101834>] (do_one_initcall) from [<c0600db4>] (kernel_init_freeable+0x154/0x1e4) [ 1.652592] [<c0600db4>] (kernel_init_freeable) from [<c049fabc>] (kernel_init+0x8/0x10c) [ 1.660904] [<c049fabc>] (kernel_init) from [<c01077b8>] (ret_from_fork+0x14/0x3c) [ 1.668601] Code: e3500000 e0833100 0affffcb e0878003 (e5982000) [ 1.674843] ---[ end trace 4ba687b661f0690b ]--- [ 1.679586] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 1.679586] [ 1.688946] CPU1: stopping [ 1.691751] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.9.7-1-rc2 #157 [ 1.699617] Hardware name: Sigma Tango DT [ 1.703741] [<c010ed94>] (unwind_backtrace) from [<c010ae24>] (show_stack+0x10/0x14) [ 1.711613] [<c010ae24>] (show_stack) from [<c02cecc0>] (dump_stack+0x78/0x8c) [ 1.718961] [<c02cecc0>] (dump_stack) from [<c010dc10>] (handle_IPI+0x198/0x1ac) [ 1.726482] [<c010dc10>] (handle_IPI) from [<c01014a4>] (gic_handle_irq+0x88/0x8c) [ 1.734176] [<c01014a4>] (gic_handle_irq) from [<c010b90c>] (__irq_svc+0x6c/0xa8) [ 1.741780] Exception stack(0xcf859f98 to 0xcf859fe0) [ 1.746939] 9f80: 00000001 00000000 [ 1.755245] 9fa0: 00001572 c0114620 cf858000 c1002fe4 c1003048 00000002 c100ba2e 413fc090 [ 1.763550] 9fc0: 00000000 00000000 00000001 cf859fe8 c0108220 c0108224 60000013 ffffffff [ 1.771857] [<c010b90c>] (__irq_svc) from [<c0108224>] (arch_cpu_idle+0x38/0x3c) [ 1.779383] [<c0108224>] (arch_cpu_idle) from [<c0151f4c>] (cpu_startup_entry+0xcc/0x144) [ 1.787693] [<c0151f4c>] (cpu_startup_entry) from [<8010154c>] (0x8010154c) [ 1.794777] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b Next boot didn't tickle the panic... 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