On Tue, 2007-05-01 at 13:01 -0500, Guil Barros wrote:
> I tried, below are my results:
I'm afraid that's all my suggestions. You could try swiotlb=16,force
just for kicks (google seems to suggest that is the most common value)
but I bet the result is the same as below.
It may be that the ivtv driver needs updating to work in a domU :-(
Ian.
> ====swiotlb=32,force====
> [EMAIL PROTECTED] ~]# xm create -c slurp
> Using config file "/etc/xen/slurp".
> Going to boot Fedora Core (2.6.20-1.2944.fc6xen)
> kernel: /vmlinuz-2.6.20-1.2944.fc6xen
> initrd: /initrd-2.6.20-1.2944.fc6xen.img
> Started domain slurp
> Linux version 2.6.20-1.2944.fc6xen
> ([EMAIL PROTECTED]) (gcc version 4.1.1 20070105
> (Red Hat 4.1.1-51)) #1 SMP Tue Apr 10 19:12:19 EDT 2007
> BIOS-provided physical RAM map:
> sanitize start
> sanitize bail 0
> copy_e820_map() start: 0000000000000000 size: 0000000030800000 end:
> 0000000030800000 type: 1
> Xen: 0000000000000000 - 0000000030800000 (usable)
> 48MB HIGHMEM available.
> 727MB LOWMEM available.
> NX (Execute Disable) protection: active
> Zone PFN ranges:
> DMA 0 -> 186366
> Normal 186366 -> 186366
> HighMem 186366 -> 198656
> early_node_map[1] active PFN ranges
> 0: 0 -> 198656
> ACPI in unprivileged domain disabled
> Built 1 zonelists. Total pages: 197105
> Kernel command line: ro root=/dev/VolGroup00/lv00_root console=xvc0
> selinux=0 swiotlb=32,force
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> CPU 0 irqstacks, hard=c0784000 soft=c0764000
> PID hash table entries: 4096 (order: 12, 16384 bytes)
> Xen reported: 2394.000 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> ------------[ cut here ]------------
> kernel BUG at lib/../arch/i386/kernel/swiotlb.c:160!
> invalid opcode: 0000 [#1]
> SMP
> last sysfs file:
> Modules linked in:
> CPU: 0
> EIP: e019:[<c04e5848>] Not tainted VLI
> EFLAGS: 00010282 (2.6.20-1.2944.fc6xen #1)
> EIP is at swiotlb_init_with_default_size+0x8a/0x153
> eax: fffffff4 ebx: 00000300 ecx: 00000040 edx: f5416000
> esi: c075fae4 edi: 02000000 ebp: 00000020 esp: c0730f44
> ds: e021 es: e021 ss: e021
> Process swapper (pid: 0, ti=c0730000 task=c06e3280 task.ti=c0730000)
> Stack: c074173e 00000000 ffffffff c161f000 c161f000 c075fae4 c0231b07 c073e778
> 00000042 00000004 c0730f88 00010000 c16a6200 00000004 00000010
> c0742676
> c069b0b1 c069c864 00010000 00000006 00040000 00c07c40 00000000
> 0301f100
> Call Trace:
> [<c074173e>] __alloc_bootmem_low+0x2b/0x67
> [<c073e778>] mem_init+0x54/0x4d6
> [<c0742676>] alloc_large_system_hash+0x18d/0x1b4
> [<c0743153>] inode_init_early+0x49/0x72
> [<c0734686>] start_kernel+0x22a/0x3c3
> [<c073425a>] unknown_bootoption+0x0/0x202
> =======================
> Code: 59 7a f3 ff 83 c8 ff 40 83 f8 06 75 fa 89 d8 b9 1e 00 00 00 c1
> e0 0b ba 06 00 00 00 03 05 54 65 7e c0 e8 2a 02 f3 ff 85 c0 74 04 <0f>
> 0b eb fe 83 eb 80 a1 58 65 7e c0 39 c3 72 c9 b9 00 00 00 01
> EIP: [<c04e5848>] swiotlb_init_with_default_size+0x8a/0x153 SS:ESP
> e021:c0730f44
> <0>Kernel panic - not syncing: Attempted to kill the idle task!
--
Ian Campbell
petribar:
Any sun-bleached prehistoric candy that has been sitting in
the window of a vending machine too long.
-- Rich Hall, "Sniglets"
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