Hi Tony, Nokia N900 DT boot breaks for me using 3.13-rc3. You can see the relevant kernel output below. Disabling the AES module in the omap3-n900.dts with status = "disabled" fixed the boot for me. -- Sebastian [ 2.082427] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa0c5048 [ 2.090484] Internal error: : 1028 [#1] SMP ARM [ 2.095245] Modules linked in: [ 2.098480] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.13.0-rc2+ #446 [ 2.106353] task: ce057b40 ti: ce058000 task.ti: ce058000 [ 2.112030] PC is at omap_aes_dma_stop+0x24/0x3c [ 2.116882] LR is at omap_aes_probe+0x1cc/0x584 [ 2.121643] pc : [<c039cd54>] lr : [<c039d3ac>] psr: 60000113 [ 2.121643] sp : ce059e20 ip : ce0b4ee0 fp : 00000000 [ 2.133728] r10: c0573ae8 r9 : c0749508 r8 : 00000000 [ 2.139221] r7 : ce0b4e00 r6 : 00000000 r5 : ce0b4e10 r4 : ce274890 [ 2.146057] r3 : fa0c5048 r2 : 00000048 r1 : 0000002c r0 : ce274890 [ 2.152923] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel [ 2.160614] Control: 10c5387d Table: 80004019 DAC: 00000015 [ 2.166687] Process swapper/0 (pid: 1, stack limit = 0xce058248) [ 2.173004] Stack: (0xce059e20 to 0xce05a000) [ 2.177612] 9e20: c0749508 0000a1ff 00000000 c016cd8c c06b5a06 ce2a45f0 ce2a4570 ce0b5fb0 [ 2.186218] 9e40: 00000000 480c5000 480c504f c0abe4e4 00000200 00000000 00000000 00000000 [ 2.194824] 9e60: ce0b4e10 ce0b4e10 c082da3c c082da3c c02b8c70 c077c610 c0749508 00000000 [ 2.203430] 9e80: 00000000 c02b9e7c c02b9e64 ce0b4e10 00000000 c02b8b20 ce0b4e10 ce0b4e44 [ 2.212036] 9ea0: c082da3c c02b8cd8 00000000 ce059eb8 c082da3c c02b7408 ce079edc ce0b1a34 [ 2.220642] 9ec0: c082da3c c082da3c ce2a0280 00000000 c08158d8 c02b8358 c0663405 c0663405 [ 2.229248] 9ee0: 00000073 c082da3c c079e4e8 c07ab3bc c0844340 c02b9334 00000000 00000006 [ 2.237823] 9f00: c079e4e8 c0008920 c067f6bf c0ac7c6b 00000000 c0712e28 00000000 00000000 [ 2.246429] 9f20: c0712e38 ce059f38 00000093 c0ac7c82 00000000 c0058994 00000000 c07130e8 [ 2.255035] 9f40: c07127b8 00000093 00000006 00000006 00000001 00000006 00000006 c079e4e8 [ 2.263610] 9f60: c07ab3bc c0844340 00000093 c0749508 c079e4f4 c0749c64 00000006 00000006 [ 2.272247] 9f80: c0749508 00000000 00000000 c0517e2c 00000000 00000000 00000000 00000000 [ 2.280853] 9fa0: 00000000 c0517e34 00000000 c000dfb8 00000000 00000000 00000000 00000000 [ 2.289459] 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 2.298065] 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff [ 2.306671] [<c039cd54>] (omap_aes_dma_stop+0x24/0x3c) from [<c039d3ac>] (omap_aes_probe+0x1cc/0x584) [ 2.316406] [<c039d3ac>] (omap_aes_probe+0x1cc/0x584) from [<c02b9e7c>] (platform_drv_probe+0x18/0x48) [ 2.326232] [<c02b9e7c>] (platform_drv_probe+0x18/0x48) from [<c02b8b20>] (driver_probe_device+0xb0/0x200) [ 2.336425] [<c02b8b20>] (driver_probe_device+0xb0/0x200) from [<c02b8cd8>] (__driver_attach+0x68/0x8c) [ 2.346343] [<c02b8cd8>] (__driver_attach+0x68/0x8c) from [<c02b7408>] (bus_for_each_dev+0x50/0x88) [ 2.355865] [<c02b7408>] (bus_for_each_dev+0x50/0x88) from [<c02b8358>] (bus_add_driver+0xcc/0x1c8) [ 2.365356] [<c02b8358>] (bus_add_driver+0xcc/0x1c8) from [<c02b9334>] (driver_register+0x9c/0xe0) [ 2.374816] [<c02b9334>] (driver_register+0x9c/0xe0) from [<c0008920>] (do_one_initcall+0x98/0x140) [ 2.384368] [<c0008920>] (do_one_initcall+0x98/0x140) from [<c0749c64>] (kernel_init_freeable+0x16c/0x23c) [ 2.394592] [<c0749c64>] (kernel_init_freeable+0x16c/0x23c) from [<c0517e34>] (kernel_init+0x8/0x100) [ 2.404296] [<c0517e34>] (kernel_init+0x8/0x100) from [<c000dfb8>] (ret_from_fork+0x14/0x3c) [ 2.413177] Code: e1811002 e5932020 e590300c e0833002 (e593c000) [ 2.419586] ---[ end trace 12268ed9c6cdcae7 ]--- [ 2.424468] In-band Error seen by MPU at address 0 [ 2.429626] ------------[ cut here ]------------ [ 2.434509] WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_smx.c:162 omap3_l3_app_irq+0xdc/0x124() [ 2.443817] Modules linked in: [ 2.447052] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G D W 3.13.0-rc2+ #446 [ 2.454956] [<c00158b4>] (unwind_backtrace+0x0/0xe0) from [<c0011b24>] (show_stack+0x10/0x14) [ 2.463958] [<c0011b24>] (show_stack+0x10/0x14) from [<c051c30c>] (dump_stack+0x68/0x84) [ 2.472473] [<c051c30c>] (dump_stack+0x68/0x84) from [<c003db64>] (warn_slowpath_common+0x64/0x88) [ 2.481933] [<c003db64>] (warn_slowpath_common+0x64/0x88) from [<c003dba0>] (warn_slowpath_null+0x18/0x1c) [ 2.492095] [<c003dba0>] (warn_slowpath_null+0x18/0x1c) from [<c023d2c0>] (omap3_l3_app_irq+0xdc/0x124) [ 2.502014] [<c023d2c0>] (omap3_l3_app_irq+0xdc/0x124) from [<c007c718>] (handle_irq_event_percpu+0x60/0x218) [ 2.512420] [<c007c718>] (handle_irq_event_percpu+0x60/0x218) from [<c007c914>] (handle_irq_event+0x44/0x64) [ 2.522796] [<c007c914>] (handle_irq_event+0x44/0x64) from [<c007f4e0>] (handle_level_irq+0xd4/0xfc) [ 2.532409] [<c007f4e0>] (handle_level_irq+0xd4/0xfc) from [<c007c14c>] (generic_handle_irq+0x20/0x30) [ 2.542236] [<c007c14c>] (generic_handle_irq+0x20/0x30) from [<c000ee3c>] (handle_IRQ+0x64/0x8c) [ 2.551513] [<c000ee3c>] (handle_IRQ+0x64/0x8c) from [<c00085dc>] (omap3_intc_handle_irq+0x60/0x74) [ 2.561035] [<c00085dc>] (omap3_intc_handle_irq+0x60/0x74) from [<c0012640>] (__irq_svc+0x40/0x50) [ 2.570404] Exception stack(0xce059c28 to 0xce059c70) [ 2.575714] 9c20: 00000000 00000005 c07bc608 00000504 ce05bbc0 ce058000 [ 2.584289] 9c40: 00000000 00000001 0000000b 00000000 00000000 c0660359 00000000 ce059c70 [ 2.592895] 9c60: c009a964 c009aa6c 40000113 ffffffff [ 2.598236] [<c0012640>] (__irq_svc+0x40/0x50) from [<c009aa6c>] (acct_collect+0x1b4/0x1b8) [ 2.607025] [<c009aa6c>] (acct_collect+0x1b4/0x1b8) from [<c003fce4>] (do_exit+0x1fc/0x954) [ 2.615844] [<c003fce4>] (do_exit+0x1fc/0x954) from [<c0011ebc>] (die+0x394/0x410) [ 2.623809] [<c0011ebc>] (die+0x394/0x410) from [<c000845c>] (do_DataAbort+0x84/0x98) [ 2.632049] [<c000845c>] (do_DataAbort+0x84/0x98) from [<c00125d8>] (__dabt_svc+0x38/0x60) [ 2.640747] Exception stack(0xce059dd8 to 0xce059e20) [ 2.646087] 9dc0: ce274890 0000002c [ 2.654663] 9de0: 00000048 fa0c5048 ce274890 ce0b4e10 00000000 ce0b4e00 00000000 c0749508 [ 2.663299] 9e00: c0573ae8 00000000 ce0b4ee0 ce059e20 c039d3ac c039cd54 60000113 ffffffff [ 2.671874] [<c00125d8>] (__dabt_svc+0x38/0x60) from [<c039cd54>] (omap_aes_dma_stop+0x24/0x3c) [ 2.681060] [<c039cd54>] (omap_aes_dma_stop+0x24/0x3c) from [<c039d3ac>] (omap_aes_probe+0x1cc/0x584) [ 2.690734] [<c039d3ac>] (omap_aes_probe+0x1cc/0x584) from [<c02b9e7c>] (platform_drv_probe+0x18/0x48) [ 2.700500] [<c02b9e7c>] (platform_drv_probe+0x18/0x48) from [<c02b8b20>] (driver_probe_device+0xb0/0x200) [ 2.710662] [<c02b8b20>] (driver_probe_device+0xb0/0x200) from [<c02b8cd8>] (__driver_attach+0x68/0x8c) [ 2.720581] [<c02b8cd8>] (__driver_attach+0x68/0x8c) from [<c02b7408>] (bus_for_each_dev+0x50/0x88) [ 2.730133] [<c02b7408>] (bus_for_each_dev+0x50/0x88) from [<c02b8358>] (bus_add_driver+0xcc/0x1c8) [ 2.739654] [<c02b8358>] (bus_add_driver+0xcc/0x1c8) from [<c02b9334>] (driver_register+0x9c/0xe0) [ 2.749084] [<c02b9334>] (driver_register+0x9c/0xe0) from [<c0008920>] (do_one_initcall+0x98/0x140) [ 2.758605] [<c0008920>] (do_one_initcall+0x98/0x140) from [<c0749c64>] (kernel_init_freeable+0x16c/0x23c) [ 2.768798] [<c0749c64>] (kernel_init_freeable+0x16c/0x23c) from [<c0517e34>] (kernel_init+0x8/0x100) [ 2.778472] [<c0517e34>] (kernel_init+0x8/0x100) from [<c000dfb8>] (ret_from_fork+0x14/0x3c) [ 2.787353] ---[ end trace 12268ed9c6cdcae8 ]--- [ 2.792449] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
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