Messages in this thread | | | Date | Thu, 18 Oct 2012 13:40:21 -0700 | Subject | Re: [PATCH -v3 0/7] x86: Use BRK to pre mapping page table to make xen happy | From | Yinghai Lu <> |
| |
On Thu, Oct 18, 2012 at 9:26 AM, Jacob Shin <jacob.shin@amd.com> wrote: > > Hi Yinghai, I just tried it and dom0 died during init_memory_mapping, here > is the Oops snippet, full logs are attached: > > e820: last_pfn = 0x22f000 max_arch_pfn = 0x400000000 > e820: last_pfn = 0xcff00 max_arch_pfn = 0x400000000 > initial memory mapped: [mem 0x00000000-0x022affff] > Base memory trampoline at [ffff880000096000] 96000 size 24576 > init_memory_mapping: [mem 0x00000000-0x000fffff] > [mem 0x00000000-0x000fffff] page 4k > init_memory_mapping: [mem 0x21fe00000-0x21fe77fff] > [mem 0x21fe00000-0x21fe77fff] page 4k > init_memory_mapping: [mem 0x21c000000-0x21fdfffff] > [mem 0x21c000000-0x21fdfffff] page 4k > init_memory_mapping: [mem 0x200000000-0x21bffffff] > [mem 0x200000000-0x21bffffff] page 4k > init_memory_mapping: [mem 0x00100000-0xcec6dfff] > [mem 0x00100000-0xcec6dfff] page 4k > init_memory_mapping: [mem 0xcf5f4000-0xcf5f4fff] > [mem 0xcf5f4000-0xcf5f4fff] page 4k > init_memory_mapping: [mem 0xcf7fb000-0xcfc19fff] > [mem 0xcf7fb000-0xcfc19fff] page 4k > init_memory_mapping: [mem 0xcfef4000-0xcfefffff] > [mem 0xcfef4000-0xcfefffff] page 4k > init_memory_mapping: [mem 0x100001000-0x1ffffffff] > [mem 0x100001000-0x1ffffffff] page 4k > PGD 0 > Oops: 0003 [#1] SMP > Modules linked in: > CPU 0 > Pid: 0, comm: swapper Not tainted 3.6.0+ #3 AMD Pike/Pike > RIP: e030:[<ffffffff81cd778a>] [<ffffffff81cd778a>] xen_set_pte_init+0x1/0x9 > RSP: e02b:ffffffff81c01ae8 EFLAGS: 00010086 > RAX: 80000001913d1063 RBX: ffff88021f63b1c8 RCX: 8000000000000163 > RDX: 00000000000001ff RSI: 80000001913d1063 RDI: ffff88021f63b1c8 > RBP: ffffffff81c01af8 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000000 R12: 000000011b039000 > R13: 000000000000003a R14: 000000011b03a000 R15: 000000011b039000 > FS: 0000000000000000(0000) GS:ffffffff81cbe000(0000) knlGS:0000000000000000 > CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000000 CR3: 0000000001c0b000 CR4: 0000000000000660 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000 > Process swapper (pid: 0, threadinfo ffffffff81c00000, task ffffffff81c13410) > Stack: > ffffffff81c01af8 ffffffff810330f5 ffffffff81c01b58 ffffffff816aa9f3 > 8000000000000163 ffff88021f63c000 0000000200000000 000000011b039000 > ffffffff81c01b38 0000000000000000 000000011b000000 ffff88021f7146c0 > Call Trace: > [<ffffffff810330f5>] ? set_pte+0xb/0xd > [<ffffffff816aa9f3>] phys_pte_init+0xd4/0x106 > [<ffffffff816aabe0>] phys_pmd_init+0x1bb/0x215 > [<ffffffff816aadf3>] phys_pud_init+0x1b9/0x218 > [<ffffffff816aaeff>] kernel_physical_mapping_init+0xad/0x14a > [<ffffffff81682a1a>] init_memory_mapping+0x275/0x303 > [<ffffffff81ce6e62>] init_range_memory_mapping+0x8b/0xc8 > [<ffffffff81ce6f91>] init_mem_mapping+0xf2/0x162 > [<ffffffff81cd9d74>] setup_arch+0x682/0xaac > [<ffffffff816af4ab>] ? printk+0x48/0x4a > [<ffffffff81cd3868>] start_kernel+0x8e/0x3d8 > [<ffffffff81cd32d3>] x86_64_start_reservations+0xae/0xb2 > [<ffffffff81cd6dbc>] xen_start_kernel+0x63d/0x63f > Code: 00 00 48 c7 c7 f2 a8 aa 81 e8 ee 61 36 ff c7 05 59 10 06 00 01 00 00 00 5d c3 55 48 89 f7 48 89 e5 e8 95 cf 32 ff 31 c0 5d c3 55 <48> 89 37 48 89 e5 5d c3 55 48 89 e5 41 57 41 56 45 31 f6 41 55 > RSP <ffffffff81c01ae8> > CR2: 0000000000000000 > ---[ end trace c2b54da46b5614cf ]---
i tested dom0 conf on 32 bit and 64 bit, they are all working.
and just now I tried with mem=8944m, and they are still working.
anyway, can you please updated -v5 for-x86-mm branch ? I removed mark_page_ro workaround according to stefano
Thanks
Yinghai
| |