On Fri, Dec 29, 2006 at 10:34:43AM +1100, Rusty Russell wrote:
> Here's the two-liner patch (already rolled into the lhype.patch, so you
> can simply update).
We're getting further, but no cigar yet!
I now get this:
[ 0.760000] PCI: System does not support PCI
[ 0.760000] PCI: System does not support PCI
lhype_add: Failed to get DMA buffer from 0xb7fff008: No such file or directory
lhype_add: network: no dma buffer!: No such file or directory
[ 0.820000] NET: Registered protocol family 2
[ 0.820000] invalid opcode: 0000 [#1]
[ 0.820000] Modules linked in:
[ 0.820000] CPU: 0
[ 0.820000] EIP: 0061:[<c0101223>] Not tainted VLI
[ 0.820000] EFLAGS: 00010246 (2.6.20-rc2 #0)
[ 0.820000] EIP is at mwait_idle_with_hints+0x1e/0x3a
[ 0.820000] eax: c0704008 ebx: 00000000 ecx: 00000000 edx: 00000000
[ 0.820000] esi: 00000000 edi: c0704008 ebp: 4c687970 esp: c0705f74
[ 0.820000] ds: 007b es: 007b ss: 0069
[ 0.820000] Process swapper (pid: 0, ti=c0704000 task=c066c420
task.ti=c0704000)
[ 0.820000] Stack: 00000000 c075502c c074a120 c0101333 c07066e1 c05d6677
c07061b8 c074a120
[ 0.820000] c074b320 c0715522 00000000 00000000 00755000 00000001
00000000 00000000
[ 0.820000] c074a120 c075502c 00000100 c075501c c074a020 92000000
0000000f c0670120
[ 0.820000] Call Trace:
[ 0.820000] [<c0101333>] cpu_idle+0x39/0x4e
[ 0.820000] [<c07066e1>] start_kernel+0x327/0x32b
[ 0.820000] [<c07061b8>] unknown_bootoption+0x0/0x202
[ 0.820000] [<c0715522>] lhype_init+0x37d/0x384
[ 0.820000] [<c0715529>] lhype_maybe_init+0x0/0x1a
[ 0.820000] =======================
[ 0.820000] Code: 11 00 00 00 e8 e3 8c 01 00 83 c4 0c c3 57 56 53 89 c6 89
d3 89 e0 25 00 e0 ff ff 8d 78 08 8b 40 08 a8 08 75 1e 31 c9 89 f8 89 ca <0f> 01
c8 89 e0 25 00 e0 ff ff 8b 40 08 a8 08 75 07 89 f0 89 d9
[ 0.820000] EIP: [<c0101223>] mwait_idle_with_hints+0x1e/0x3a SS:ESP
0069:c0705f74
[ 0.820000] <0>Kernel panic - not syncing: Attempted to kill the idle task!
[ 0.820000] lhype_add: CRASH: Attempted to kill the idle task!
This appears to be this line:
/* "monitor %eax,%ecx,%edx;" */
asm volatile(
c010121d: 31 c9 xor %ecx,%ecx
c010121f: 89 f8 mov %edi,%eax
c0101221: 89 ca mov %ecx,%edx
c0101223: 0f 01 c8 monitor %eax,%ecx,%edx
My *host* CPU certainly claims to have 'PNI', and thus I suspect 'monitor'.
I'll try to get this skipped so I can continue testing. Let me know if there
is anything I can do to help!
$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
cpu MHz : 3000.174
cache size : 1024 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni
monitor ds_cpl cid xtpr
bogomips : 6003.91
clflush size : 64
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