Hi，
When I running X86 full system on gem5 with the kernel of
x86_64-vmlinux-2.6.28.4.smp，I have met the errors：Kernel panic - not syncing:
Attempted to kill the idle task!
Details as follows:
kernel BUG at arch/x86/kernel/xsave.c:323!
invalid opcode: 0000 [#1]
last sysfs file:
CPU 0
Modules linked in:
Pid: 0, comm: swapper Tainted: G W 2.6.28.4-hg5ea85692a53e-dirty #2
RIP: 0010:[<ffffffff805c6645>] [<ffffffff805c6645>] xsave_cntxt_init+0x35/0x130
RSP: 0018:ffffffff807ddf48 EFLAGS: 000000b8
RAX: 000000000000002d RBX: 0000000000000000 RCX: ffffffff80843460
RDX: 00000000ffffffff RSI: 0000000000000d74 RDI: ffffffff80773180
RBP: 0000000000000000 R08: 00000000ffffffff R09: 00000000000003fd
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffffffff80835020(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000000201000 CR4: 00000000000006a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
Process swapper (pid: 0, threadinfo ffffffff807dc000, task ffffffff80766380)
Stack:
0000000000000000 ffffffff80804fb3 ffffffff8080aec0 ffffffff80805cee
8000897669002087 00000000ffffffff 8022ee0000104b10 ffffffff80809ec0
ffffffff8080aec0 ffffffff807de981 0000000000000000 ffffffff8080aec0
Call Trace:
[<ffffffff80804fb3>] fpu_init+0x3e/0x8b
[<ffffffff80805cee>] cpu_init+0x222/0x240
[<ffffffff807de981>] start_kernel+0x16f/0x2d9
[<ffffffff807de404>] x86_64_start_kernel+0xd9/0xdd
Code: 48 c1 e2 20 89 c0 48 8d 34 02 48 89 f0 48 89 35 12 1b 27 00 83 e0 03 48
83 f8 03 74 12 48 c7 c7 60 82 6d 80 31 c0 e8 7f 69 01 00 <0f> 0b eb fe f6 05 57
1c 21 00 04 48 c7 05 e5 1a 27 00 03 00 00
RIP [<ffffffff805c6645>] xsave_cntxt_init+0x35/0x130
RSP <ffffffff807ddf48>
---[ end trace 4eaa2a86a8e2da22 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
I'm sure my other startup steps are no problem. Now, only combinations of
Linux-x86.img and x86_64-vmlinux-2.6.22.9 can work well.The kernel of
x86_64-vmlinux-2.6.28.4, I have tried the version of download from
http://www.cs.utexas.edu/~parsec_m5/x86_64-vmlinux-2.6.28.4-smp , and I also
tried compile the kernel from sourcecode as the steps in
http://gem5.org/Linux_kernel.
I also tried build a new disk image,but other combinations all have the
question above.
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