*Hi all, I want to run full system with O3CPU. When I use single core and two cores, my simulator run successfully. However I cannot increase cpu number to 4 and more.
The terminal show: * # shu@shu:~/m5$ m5term localhost 3456 ==== m5 slave terminal: Terminal 0 ==== M5 console: m5AlphaAccess @ 0xFFFFFD0200000000 Got Configuration 623 memsize FFFFFFFF80000000 pages FFFFFFFFFFFC0000 First free page after ROM 0xFFFFFC0000018000 HWRPB 0xFFFFFC0000018000 l1pt 0xFFFFFC0000040000 l2pt 0xFFFFFC0000042000 l3pt_rpb 0xFFFFFC0000044000 l3pt_kernel 0xFFFFFC0000048000 l2reserv 0xFFFFFC0000046000 kstart = 0xFFFFFC0000310000, kend = 0xFFFFFC00008964E0, kentry = 0xFFFFFC0000310000, numCPUs = 0x4 CPU Clock at 2000 MHz IntrClockFrequency=1024 Booting with 4 processor(s) KSP: 0x20043FE8 PTBR 0x20 KSP: 0x20043FE8 PTBR 0x20 KSP: 0x20043FE8 PTBR 0x20 KSP: 0x20043FE8 PTBR 0x20 Console Callback at 0x0, fixup at 0x0, crb offset: 0xC90 Memory cluster 0 [0 - 392] Memory cluster 1 [392 - -262536] Initalizing mdt_bitmap addr 0xFFFFFC0000038000 mem_pages FFFFFFFFFFFC0000 ConsoleDispatch at virt 10000DD8 phys 18DD8 val FFFFFC00000100A8 Bootstraping CPU 1 with sp=0xFFFFFC0000076000 Bootstraping CPU 2 with sp=0xFFFFFC0000078000 Bootstraping CPU 3 with sp=0xFFFFFC000007A000 unix_boot_mem ends at FFFFFC000007C000 k_argc = 0 jumping to kernel at 0xFFFFFC0000310000, (PCBB 0xFFFFFC0000018180 pfn 1100) CallbackFixup 0 18000, t7=FFFFFC0000814000 Entering slaveloop for cpu 1 my_rpb=FFFFFC0000018400 Entering slaveloop for cpu 3 my_rpb=FFFFFC0000018900 Entering slaveloop for cpu 2 my_rpb=FFFFFC0000018680 Linux version 2.6.27.6 (shu@shu) (gcc version 4.3.2 (crosstool-NG-1.3.3) ) #1 SMP Sat Jun 25 14:29:12 EDT 2011 Booting GENERIC on Tsunami variation DP264 using machine vector DP264 from SRM Major Options: SMP LEGACY_START VERBOSE_MCHECK Command line: root=/dev/hda1 console=ttyS0 memcluster 0, usage 1, start 0, end 392 memcluster 1, usage 0, start 392, end 18446744073709289472 setup: forcing memory size to 33554432K (from -2097152K). freeing pages 1102:4194304 reserving pages 1102:1166 SMP: 4 CPUs probed -- cpu_present_map = f Built 1 zonelists in Zone order, mobility grouping on. Total pages: 4165632 Kernel command line: root=/dev/hda1 console=ttyS0 PID hash table entries: 4096 (order: 12, 32768 bytes) Using epoch = 1900 Console: colour dummy device 80x25 console [ttyS0] enabled Dentry cache hash table entries: 4194304 (order: 12, 33554432 bytes) Inode-cache hash table entries: 2097152 (order: 11, 16777216 bytes) Memory: 33265088k/33554432k available (3755k kernel code, 285496k reserved, 254k data, 216k init) *Unable to handle kernel paging request at virtual address 0000000000000000* CPU 0 swapper(0): Oops 1 pc = [<fffffc00003a12ac>] ra = [<fffffc00003a118c>] ps = 0007 Not tainted pc is at cache_alloc_refill+0x1ec/0x780 ra is at cache_alloc_refill+0xcc/0x780 v0 = 0000000000000001 t0 = 0000000000000000 t1 = 0000000000000000 t2 = 0000000000000000 t3 = 0000000000000001 t4 = 0000000000000000 t5 = 0000000000000000 t6 = fffffc07ff000000 t7 = fffffc0000814000 s0 = fffffc000080a228 s1 = ffffffffffffffff s2 = fffffc0000821f10 s3 = fffffc000080a388 s4 = fffffc07ff000030 s5 = 0000000000000000 s6 = fffffc000080a3c8 a0 = fffffc000080a3c8 a1 = 0000000000000009 a2 = 0000000000000001 a3 = 0000000000000002 a4 = 0000000000000000 a5 = 0000000000000044 t8 = ffffffffffffffff t9 = 0000000000200200 t10= 00000000ffffffff t11= fffffc000080a398 pv = fffffc00006ba960 at = fffffc000080a3a8 gp = fffffc0000859d40 sp = fffffc0000817d38 Trace: [<fffffc00003a1088>] kmem_cache_alloc+0xb8/0xf0 [<fffffc00003a3314>] kmem_cache_create+0x1f4/0x550 [<fffffc000031001c>] __start+0x1c/0x20 Code: 4821f621 402207a1 e43fffe4 a4470000 a4670008 47f6040a <b4430000> b4620008 *Kernel panic - not syncing: Attempted to kill the idle task!* *I think my problems are the two red lines. I tried to use larger memory size, but it was not useful.* *Could you please give me some suggestion. Thanks in advance. Regards, Shu.*
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