From mboxrd@z Thu Jan 1 00:00:00 1970 From: mcrapet@gmail.com (Matthieu Crapet) Date: Sat, 10 Oct 2009 11:20:17 +0200 Subject: 2.6.32-rc3/sparsemem: kernel BUG at mm/bootmem.c:243 In-Reply-To: <4ACFC458.7080307@techworks.ie> References: <4ACFC458.7080307@techworks.ie> Message-ID: <4AD051D1.8060001@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Christian, It works fine here with my TS-7250. I'll send you asap my "ts72xx rebase patch". Regards, Matthieu Christian Gagneraud wrote: > Hi, > > I've rebased my tree to 2.6.32-rc3, and apply the patch for sparsemem > support (ts72xx) + the fix in mm/Kconfig, and now the kernel refuse to > boot. Any hint is greatly appreciated > Here is the log: > > Using base address 0x00218000 and length 0x000b87f8 > > Uncompressing > Linux...................................................... done, > booting the kernel. > <5>Linux version 2.6.32-rc3 (cgagneraud at archeopterix.techworks.local) > (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-203) ) #1 > Fri Oct 9 23:32:03 IST 2009 > > CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=00007177 > > CPU: VIVT data cache, VIVT instruction cache > > Machine: Technologic Systems TS-72xx SBC > > Memory policy: ECC disabled, Data cache writeback > > <7>On node 0 totalpages: 16384 > > <7> Normal zone: 8262 pages used for memmap > > <7> Normal zone: 0 pages reserved > > <7> Normal zone: 8122 pages, LIFO batch:0 > > Built 1 zonelists in Zone order, mobility grouping on. Total pages: > 8122 > <5>Kernel command line: console=ttyAM0,115200 bootmem_debug > > <6>bootmem::alloc_bootmem_core nid=0 size=200 [1 pages] align=20 > goal=0 limit=0 > <6>bootmem::__reserve nid=0 start=10b9 end=10b9 flags=1 > > <6>PID hash table entries: 128 (order: -3, 512 bytes) > > <6>bootmem::alloc_bootmem_core nid=0 size=4000 [4 pages] align=20 > goal=0 limit=0 > <6>bootmem::__reserve nid=0 start=10b9 end=10bd flags=1 > > <6>Dentry cache hash table entries: 4096 (order: 2, 16384 bytes) > > <6>bootmem::alloc_bootmem_core nid=0 size=2000 [2 pages] align=20 > goal=0 limit=0 > <6>bootmem::__reserve nid=0 start=10bd end=10bf flags=1 > > <6>Inode-cache hash table entries: 2048 (order: 1, 8192 bytes) > <6>bootmem::mark_bootmem_node nid=0 start=776 end=788 reserve=0 > flags=0 > <6>bootmem::__free nid=0 start=776 end=788 > > <6>bootmem::mark_bootmem_node nid=0 start=79a end=7ac reserve=0 > flags=0 > <6>bootmem::__free nid=0 start=79a end=7ac > > <6>bootmem::mark_bootmem_node nid=0 start=7be end=7d0 reserve=0 > flags=0 > <6>bootmem::__free nid=0 start=7be end=7d0 > > <6>bootmem::mark_bootmem_node nid=0 start=7e2 end=1000 reserve=0 > flags=0 > <6>bootmem::__free nid=0 start=7e2 end=1000 > > <2>kernel BUG at mm/bootmem.c:243! > > <1>Unable to handle kernel NULL pointer dereference at virtual address > 00000000 > <1>pgd = c0004000 > > <1>[00000000] *pgd=00000000 > > Internal error: Oops: 805 [#1] > > CPU: 0 Not tainted (2.6.32-rc3 #1) > > PC is at __bug+0x20/0x2c > > LR is at vprintk+0x388/0x3d8 > > pc : [] lr : [] psr: 600000d3 > > sp : c0187f18 ip : c0187e78 fp : c0187f24 > > r10: 00016130 r9 : 41129200 r8 : 00000000 > > r7 : 00000000 r6 : 00001000 r5 : c0018270 r4 : 000007f4 > > r3 : 00000000 r2 : 600000d3 r1 : c01896d0 r0 : 00000035 > > Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > > Control: 0000717f Table: 00004000 DAC: 00000017 > > Process swapper (pid: 0, stack limit = 0xc0186270) > > Stack: (0xc0187f18 to 0xc0188000) > > 7f00: c0187f4c > c0187f28 > 7f20: c000ea20 c0028e10 00001000 c0187f44 c0187f84 c0018270 00001000 > 000007e2 > 7f40: c0187f84 c0187f50 c000ef64 c000e9a8 00001000 00000000 00000000 > c0010cfc > 7f60: 00000000 007e2000 01000000 c019b674 c018b1c8 00016164 c0187fac > c0187f88 > 7f80: c000f564 c000eec4 00000000 00016164 41129200 c019c998 00000004 > c0017c9c > 7fa0: c0187fcc c0187fb0 c000a784 c000f514 c0187fcc c0187fc0 c019c620 > c0017ca0 > 7fc0: c0187ff4 c0187fd0 c00089ec c000a654 c000866c 00000000 00000000 > c0017ca0 > 7fe0: 00007175 c019c930 00000000 c0187ff8 00008038 c00088e0 00000000 > 00000000 > [] (__bug+0x20/0x2c) from [] (__free+0x88/0xb4) > > [] (__free+0x88/0xb4) from [] > (mark_bootmem_node+0xb0/0xd8) > [] (mark_bootmem_node+0xb0/0xd8) from [] > (free_bootmem_node+0x60/0x68) > [] (free_bootmem_node+0x60/0x68) from [] > (mem_init+0x140/0x2a4) > [] (mem_init+0x140/0x2a4) from [] > (start_kernel+0x11c/0x27c) > [] (start_kernel+0x11c/0x27c) from [<00008038>] (0x8038) > > Code: e1a01000 e59f000c eb0400be e3a03000 (e5833000) > > <4>---[ end trace 1b75b31a2719ed1c ]--- > > <0>Kernel panic - not syncing: Attempted to kill the idle task! > > [] (unwind_backtrace+0x0/0x154) from [] > (dump_stack+0x18/0x1c) > [] (dump_stack+0x18/0x1c) from [] > (panic+0x4c/0x124) > [] (panic+0x4c/0x124) from [] (do_exit+0x70/0x598) > > [] (do_exit+0x70/0x598) from [] (die+0x144/0x168) > > [] (die+0x144/0x168) from [] > (__do_kernel_fault+0x6c/0x7c) > > [] (__do_kernel_fault+0x6c/0x7c) from [] > (do_page_fault+0x1dc/0x1fc) > [] (do_page_fault+0x1dc/0x1fc) from [] > (do_translation_fault+0x18/0x94) > [] (do_translation_fault+0x18/0x94) from [] > (do_DataAbort+0x3c/0x9c) > [] (do_DataAbort+0x3c/0x9c) from [] > (__dabt_svc+0x4c/0x80) > Exception stack(0xc0187ed0 to 0xc0187f18) > > 7ec0: 00000035 c01896d0 600000d3 > 00000000 > 7ee0: 000007f4 c0018270 00001000 00000000 00000000 41129200 00016130 > c0187f24 > 7f00: c0187e78 c0187f18 c0040720 c0028e20 600000d3 ffffffff > > [] (__dabt_svc+0x4c/0x80) from [] > (__bug+0x20/0x2c) > [] (__bug+0x20/0x2c) from [] (__free+0x88/0xb4) > > [] (__free+0x88/0xb4) from [] > (mark_bootmem_node+0xb0/0xd8) > [] (mark_bootmem_node+0xb0/0xd8) from [] > (free_bootmem_node+0x60/0x68) > [] (free_bootmem_node+0x60/0x68) from [] > (mem_init+0x140/0x2a4) > [] (mem_init+0x140/0x2a4) from [] > (start_kernel+0x11c/0x27c) > [] (start_kernel+0x11c/0x27c) from [<00008038>] (0x8038) > > Regards, > Chris > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >