How did you get this debug output? I'm hoping something other than the serial "header", since that's impractical to use at all... :/ On Thursday 17 September 2009 05:19:31 am Stefano Panella wrote: > Hi, > > I have just tried to boot a kernel image using n8x0_defconfig file, > using the most up-to-date linux-omap tree (commit 52a962f09ab2306a2....) > > This image is not booting on my N810 device > > Enabling 'kernel low-level debugging' option and disabling > stack unwinding support I obtain this log: > > Uncompressing > Linux................................................................... > ........... done, booting the kernel. > <5>Linux version 2.6.31-omap1-05923-g52a962f (root@drivers-uwbtest) (gcc > version 4.2.4 (Debian 4.2.4-6)) #10 Thu Sep 17 11:03:13 BST 2009 > CPU: ARMv6-compatible processor [4107b362] revision 2 (ARMv6TEJ), > cr=00c5387f > CPU: VIPT aliasing data cache, VIPT aliasing instruction cache > Machine: Nokia N810 > <4>Ignoring unrecognised tag 0x414f4d50 > Memory policy: ECC disabled, Data cache writeback > <7>On node 0 totalpages: 32768 > <7>free_area_init_node: node 0, pgdat c025a4f8, node_mem_map c026d000 > <7> Normal zone: 256 pages used for memmap > <7> Normal zone: 0 pages reserved > <7> Normal zone: 32512 pages, LIFO batch:7 > <6>OMAP2420<6> > <6>SRAM: Mapped pa 0x40200000 to va 0xe3000000 size: 0x100000 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: > 32512 > <5>Kernel command line: root=1f03 rootfstype=jffs2 > console=ttyS0,115200n8 > PID hash table entries: 512 (order: 9, 2048 bytes) > <6>Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) > <6>Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) > <6>Memory: 64MB 64MB = 128MB total > <5>Memory: 127316KB available (2140K code, 188K data, 112K init, 0K > highmem) > <6>SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, > Nodes=1 > <6>Hierarchical RCU implementation. > <6>NR_IRQS:368 > <6>Clocking rate (Crystal/DPLL/MPU): 19.2/658/329 MHz > <1>Unable to handle kernel NULL pointer dereference at virtual address > 00000004 > <1>pgd = c0004000 > <1>[00000004] *pgd=00000000 > Internal error: Oops: 5 [#1] > <d>Modules linked in: > CPU: 0 Not tainted (2.6.31-omap1-05923-g52a962f #10) > PC is at _add_initiator_dep+0x28/0x38 > LR is at _enable+0x54/0x1a4 > pc : [<c002f3c4>] lr : [<c002f6a8>] psr: a00001d3 > sp : c023df10 ip : c023df20 fp : c023df1c > r10: 80020a28 r9 : 4107b362 r8 : 80020a90 > r7 : c024164c r6 : c002fb78 r5 : 00000000 r4 : c02409cc > r3 : 00000000 r2 : 00000000 r1 : c02409cc r0 : c02409cc > Flags: NzCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > Control: 00c5387f Table: 80004000 DAC: 00000017 > Process swapper (pid: 0, stack limit = 0xc023c268) > Stack: (0xc023df10 to 0xc023e000) > df00: c023df3c c023df20 c002f6a8 > c002f3a8 > df20: 800001d3 c0240974 c0240e44 c02409cc c023df5c c023df40 c002fbf8 > c002f660 > df40: c002fdfc c02409cc 00000000 c002fb78 c023df7c c023df60 c002f0d4 > c002fb84 > df60: 00000000 00000000 c0022e10 c0240338 c023df8c c023df80 c002fed4 > c002f0ac > df80: c023dfa4 c023df90 c000df60 c002fe80 c025ab10 c025ab04 c023dfb4 > c023dfa8 > dfa0: c000eae0 c000defc c023dfc4 c023dfb8 c000b738 c000ead4 c023dff4 > c023dfc8 > dfc0: c0008acc c000b70c c0008554 00000000 00000000 c0022e10 00000000 > 00c5387d > dfe0: c025adc0 c0023214 00000000 c023dff8 80008034 c0008998 00000000 > 00000000 > Backtrace: > [<c002f39c>] (_add_initiator_dep+0x0/0x38) from [<c002f6a8>] > (_enable+0x54/0x1a4) > [<c002f654>] (_enable+0x0/0x1a4) from [<c002fbf8>] (_setup+0x80/0xb4) > r4:c02409cc > [<c002fb78>] (_setup+0x0/0xb4) from [<c002f0d4>] > (omap_hwmod_for_each+0x34/0x78) > r6:c002fb78 r5:00000000 r4:c02409cc > [<c002f0a0>] (omap_hwmod_for_each+0x0/0x78) from [<c002fed4>] > (omap_hwmod_late_init+0x60/0x8c) > r7:c0240338 r6:c0022e10 r5:00000000 r4:00000000 > [<c002fe74>] (omap_hwmod_late_init+0x0/0x8c) from [<c000df60>] > (omap2_init_common_hw+0x70/0xa8) > [<c000def0>] (omap2_init_common_hw+0x0/0xa8) from [<c000eae0>] > (n8x0_init_irq+0x18/0x24) > r5:c025ab04 r4:c025ab10 > [<c000eac8>] (n8x0_init_irq+0x0/0x24) from [<c000b738>] > (init_IRQ+0x38/0x44) > [<c000b700>] (init_IRQ+0x0/0x44) from [<c0008acc>] > (start_kernel+0x140/0x2c8) > [<c000898c>] (start_kernel+0x0/0x2c8) from [<80008034>] (0x80008034) > r6:c0023214 r5:c025adc0 r4:00c5387d > Code: 089da800 e5913020 e592205c e593305c (e5920004) > <4>---[ end trace 1b75b31a2719ed1c ]--- > <0>Kernel panic - not syncing: Attempted to kill the idle task! > Backtrace: > [<c0028e8c>] (dump_backtrace+0x0/0x110) from [<c0028fd0>] > (dump_stack+0x18/0x1c) > r6:0000000b r5:c025b424 r4:c023c000 > [<c0028fb8>] (dump_stack+0x0/0x1c) from [<c004ad90>] (panic+0x4c/0x124) > [<c004ad44>] (panic+0x0/0x124) from [<c004d9ac>] (do_exit+0x64/0x578) > r3:00000000 r2:c0246c74 r1:000012f2 r0:c020ece4 > [<c004d948>] (do_exit+0x0/0x578) from [<c0029120>] (die+0x12c/0x14c) > [<c0028ff4>] (die+0x0/0x14c) from [<c002b410>] > (__do_kernel_fault+0x6c/0x7c) > [<c002b3a4>] (__do_kernel_fault+0x0/0x7c) from [<c002b644>] > (do_page_fault+0x224/0x244) > r7:c023dec8 r6:c023f6c8 r5:c02405e4 r4:ffffffff > [<c002b420>] (do_page_fault+0x0/0x244) from [<c002b704>] > (do_translation_fault+0x1c/0x84) > [<c002b6e8>] (do_translation_fault+0x0/0x84) from [<c0024250>] > (do_DataAbort+0x3c/0xa0) > r6:00000005 r5:c02405e4 r4:ffffffff > [<c0024214>] (do_DataAbort+0x0/0xa0) from [<c00249ec>] > (__dabt_svc+0x4c/0x60) > Exception stack(0xc023dec8 to 0xc023df10) > dec0: c02409cc c02409cc 00000000 00000000 c02409cc > 00000000 > dee0: c002fb78 c024164c 80020a90 4107b362 80020a28 c023df1c c023df20 > c023df10 > df00: c002f6a8 c002f3c4 a00001d3 ffffffff > r8:80020a90 r7:c024164c r6:c002fb78 r5:c023defc r4:ffffffff > [<c002f39c>] (_add_initiator_dep+0x0/0x38) from [<c002f6a8>] > (_enable+0x54/0x1a4) > [<c002f654>] (_enable+0x0/0x1a4) from [<c002fbf8>] (_setup+0x80/0xb4) > r4:c02409cc > [<c002fb78>] (_setup+0x0/0xb4) from [<c002f0d4>] > (omap_hwmod_for_each+0x34/0x78) > r6:c002fb78 r5:00000000 r4:c02409cc > [<c002f0a0>] (omap_hwmod_for_each+0x0/0x78) from [<c002fed4>] > (omap_hwmod_late_init+0x60/0x8c) > r7:c0240338 r6:c0022e10 r5:00000000 r4:00000000 > [<c002fe74>] (omap_hwmod_late_init+0x0/0x8c) from [<c000df60>] > (omap2_init_common_hw+0x70/0xa8) > [<c000def0>] (omap2_init_common_hw+0x0/0xa8) from [<c000eae0>] > (n8x0_init_irq+0x18/0x24) > r5:c025ab04 r4:c025ab10 > [<c000eac8>] (n8x0_init_irq+0x0/0x24) from [<c000b738>] > (init_IRQ+0x38/0x44) > [<c000b700>] (init_IRQ+0x0/0x44) from [<c0008acc>] > (start_kernel+0x140/0x2c8) > [<c000898c>] (start_kernel+0x0/0x2c8) from [<80008034>] (0x80008034) > r6:c0023214 r5:c025adc0 r4:00c5387d > > any idea how to fix it??? -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html