M5 works when I use the ARM realview kernel image available on the website. . Is it the compiler creating problem? which compiler is used to generate that kernel image ?
Regards, Digant Desai. 480-717-7851 On Wed, May 18, 2011 at 15:05, Digant <digantde...@gmail.com> wrote: > I did following things but it didn't work out.. > > 1- I got the latest M5 codes from M5 repository using hg. > 2- I got 2.6.37.y kernel src using git > 3- I copied the config on gem5 site in a m5_defconfig file > 4- I did "make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- m5_defconfig > 5-The .config file generated > 6- Then I did "make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- > vmlinux" > 7- copied the vmlinux file to dist/m5/system/binary > 8-run M5 in ARM_FS mode > 9-same error > [ 0.000000] Unhandled fault: alignment exception (0x801) at 0xc02e9f6f > [ 0.000000] Internal error: : 801 [#1] > . > . > theres nothing @ that address on realview board. > > can anybody suggest whats wrong ? > i tried the stable version also . . . > > Regards, > Digant Desai. > 480-717-7851 > > > > On Thu, May 12, 2011 at 10:05, Ali Saidi <sa...@umich.edu> wrote: > >> What version of m5 are you using? You'll need to trace back that >> address 0xc02e9f6f and see what generated it, why it is generated, and why >> it is unaligned. It shouldn't be. >> >> >> >> Ali >> >> >> >> >> >> On Wed, 11 May 2011 21:39:48 -0700, Digant <digantde...@gmail.com> wrote: >> >> hi all, >> I was previously using ARM_FS and it was working fine. >> I used 2.6.37.y and the example config file.Linux kernel image compiles >> without errors but when I run M5 in ARM_FS it starts fine but after couple >> of cycles the kernel taints. >> OUTPUT :[ 0.000000] Unhandled fault: alignment exception (0x801) at >> 0xc02e9f6f >> >> [ 0.000000] Internal error: : 801 [#1] >> >> >> ==== m5 slave terminal: Terminal 0 ==== >> [ 0.000000] Linux version 2.6.37.6-dig (root@digant-OptiPlex-980) (gcc >> version 4.5.2 (Sourcery G++ Lite 2011.03-41) ) #5 Wed May 11 19:56:28 MST >> 2011 >> [ 0.000000] CPU: ARMv7 Processor [350ff000] revision 0 (ARMv7), >> cr=10c53c7f >> [ 0.000000] CPU: VIPT nonaliasing data cache, VIPT nonaliasing >> instruction cache >> [ 0.000000] Machine: ARM-RealView PBX >> [ 0.000000] Ignoring unrecognised tag 0x00000000 >> [ 0.000000] bootconsole [earlycon0] enabled >> [ 0.000000] Memory policy: ECC disabled, Data cache writeback >> [ 0.000000] On node 0 totalpages: 32768 >> [ 0.000000] DMA zone: 256 pages used for memmap >> [ 0.000000] DMA zone: 0 pages reserved >> [ 0.000000] DMA zone: 32512 pages, LIFO batch:7 >> [ 0.000000] Unhandled fault: alignment exception (0x801) at 0xc02e9f6f >> [ 0.000000] Internal error: : 801 [#1] >> [ 0.000000] last sysfs file: >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Not tainted (2.6.37.6-dig #5) >> [ 0.000000] PC is at pcpu_dump_alloc_info+0x1c/0x380 >> [ 0.000000] LR is at pcpu_setup_first_chunk+0x488/0x7dc >> [ 0.000000] pc : [] lr : [] psr: 000001d3 >> [ 0.000000] sp : c02e9f30 ip : 00000001 fp : 00000001 >> [ 0.000000] r10: c0525060 r9 : 00000001 r8 : c030a200 >> [ 0.000000] r7 : c0525000 r6 : c0525020 r5 : c0525040 r4 : c02a714c >> [ 0.000000] r3 : 00000000 r2 : 00000000 r1 : 2d2d2d2d r0 : 2d2d2d2d >> [ 0.000000] Flags: nzcv IRQs off FIQs off Mode SVC_32 ISA ARM >> Segment kernel >> [ 0.000000] Control: 10c53c7f Table: 00004059 DAC: 00000017 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc02e82f0) >> [ 0.000000] Stack: (0xc02e9f30 to 0xc02ea000) >> [ 0.000000] 9f20: 00000000 00000001 >> 00000000 c001cbe4 >> [ 0.000000] 9f40: c001cbe4 c0002560 00000000 00000000 c02a6180 c001cc00 >> 00000000 c000f07c >> [ 0.000000] 9f60: 00000000 c0135dec 00000000 00000020 00000001 00000004 >> c0525040 c0002560 >> [ 0.000000] 9f80: c0525040 c0525020 c0525000 c030a200 00000001 c0525060 >> 00000001 c00104e8 >> [ 0.000000] 9fa0: 00008000 c051d000 c001c600 c0002560 c001c600 c00024c0 >> c02ec1bc 0001b318 >> [ 0.000000] 9fc0: 350ff000 0000001f 00000000 c00108b0 c02fea20 c000883c >> 00000000 00000000 >> [ 0.000000] 9fe0: 00000000 c001c600 10c53c7d c02feb74 c001c5fc 00008034 >> 00000000 00000000 >> [ 0.000000] [] (pcpu_dump_alloc_info+0x1c/0x380) from [] >> (pcpu_setup_first_chunk+0x488/0x7dc) >> [ 0.000000] [] (pcpu_setup_first_chunk+0x488/0x7dc) from [] >> (setup_per_cpu_areas+0x74/0x88) >> [ 0.000000] [] (setup_per_cpu_areas+0x74/0x88) from [] >> (start_kernel+0xc4/0x24c) >> [ 0.000000] [] (start_kernel+0xc4/0x24c) from [<00008034>] (0x8034) >> [ 0.000000] Code: e34c402a e58d1014 e58d0020 e8b40003 (e58d003f) >> [ 0.000000] Unhandled fault: alignment exception (0x801) at 0xc02e9dce >> [ 0.000000] Internal error: : 801 [#2] >> [ 0.000000] last sysfs file: >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Tainted: G D (2.6.37.6-dig #5) >> [ 0.000000] PC is at extract_buf+0xd4/0xf4 >> [ 0.000000] LR is at 0x0 >> [ 0.000000] pc : [] lr : [<00000000>] psr: 60000153 >> [ 0.000000] sp : c02e9c18 ip : 75fe75fe fp : 00000001 >> [ 0.000000] r10: c02e9dce r9 : 000001d3 r8 : c02f8620 >> [ 0.000000] r7 : 00000020 r6 : c02e9dce r5 : c02e9c1c r4 : c02e9d9c >> [ 0.000000] r3 : 000075fe r2 : c02e9da4 r1 : 1b75b31a r0 : 2719ed1c >> [ 0.000000] Flags: nZCv IRQs on FIQs off Mode SVC_32 ISA ARM >> Segment kernel >> [ 0.000000] Control: 10c53c7f Table: 00004059 DAC: 00000017 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc02e82f0) >> [ 0.000000] Stack: (0xc02e9c18 to 0xc02ea000) >> [ 0.000000] 9c00: >> 00000001 00000000 >> [ 0.000000] 9c20: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9c40: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9c60: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9c80: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9ca0: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> . >> . >> . >> [ 0.000000] [] (__dabt_svc+0x4c/0x60) from [] >> (pcpu_dump_alloc_info+0x1c/0x380) >> [ 0.000000] [] (pcpu_dump_alloc_info+0x1c/0x380) from [] >> (pcpu_setup_first_chunk+0x488/0x7dc) >> [ 0.000000] [] (pcpu_setup_first_chunk+0x488/0x7dc) from [] >> (setup_per_cpu_areas+0x74/0x88) >> [ 0.000000] [] (setup_per_cpu_areas+0x74/0x88) from [] >> (start_kernel+0xc4/0x24c) >> [ 0.000000] [] (start_kernel+0xc4/0x24c) from [<00008034>] (0x8034) >> [ 0.000000] Code: e023c863 e8b20003 e58dc18c e1d230b0 (e5860000) >> [ 0.000000] Unhandled fault: alignment exception (0x801) at 0xc02e9ab6 >> [ 0.000000] Internal error: : 801 [#3] >> [ 0.000000] last sysfs file: >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Tainted: G D (2.6.37.6-dig #5) >> [ 0.000000] PC is at extract_buf+0xd4/0xf4 >> [ 0.000000] LR is at 0x0 >> [ 0.000000] pc : [] lr : [<00000000>] psr: 60000153 >> [ 0.000000] sp : c02e9900 ip : c82fc82f fp : 00000001 >> [ 0.000000] r10: c02e9ab6 r9 : 20000153 r8 : c02f8620 >> [ 0.000000] r7 : 00000020 r6 : c02e9ab6 r5 : c02e9904 r4 : c02e9a84 >> [ 0.000000] r3 : 0000c82f r2 : c02e9a8c r1 : da227214 r0 : a82491b7 >> [ 0.000000] Flags: nZCv IRQs on FIQs off Mode SVC_32 ISA ARM >> Segment kernel >> [ 0.000000] Control: 10c53c7f Table: 00004059 DAC: 00000017 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc02e82f0) >> [ 0.000000] Stack: (0xc02e9900 to 0xc02ea000) >> [ 0.000000] 9900: 00000001 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9920: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9940: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> [ 0.000000] 9960: 00000000 00000000 00000000 00000000 00000000 00000000 >> 00000000 00000000 >> Regards, >> Digant Desai. >> 480-717-7851 >> >> >> >> _______________________________________________ >> m5-users mailing list >> m5-us...@m5sim.org >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >> > >
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