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From: Dave Young <dyoung@redhat.com>
To: kexec@lists.infradead.org
Cc: Vivek Goyal <vgoyal@redhat.com>
Subject: Re: ppc64 kexec -p failed
Date: Tue, 08 Nov 2011 10:22:11 +0800	[thread overview]
Message-ID: <4EB89253.4060003@redhat.com> (raw)
In-Reply-To: <4EB38EB1.5070904@redhat.com>

On 11/04/2011 03:05 PM, Dave Young wrote:

> Hi,
> 
> When use crashkernel=128M@256M at a ppc64 machine, kexec -p vmlinuz
> failed with:
> Could not find a free area of memory of faa448 bytes...
> Could not find a free area of memory of 142721d bytes...
> 
> Is this a know issue or Is there limitation of the crashkernel base addr?


Vivek, do you know something about this?

>

> Detail info as below (define DEBUG when building):
> 
> 0000000008000000-000000000c000000 : 0
> 000000000c000000-0000000010000000 : 0
> 0000000010000000-0000000014000000 : 0
> 0000000014000000-0000000018000000 : 0
> 0000000018000000-000000001c000000 : 0
> 000000001c000000-0000000020000000 : 0
> 0000000020000000-0000000024000000 : 0
> 0000000024000000-0000000028000000 : 0
> 0000000028000000-000000002c000000 : 0
> 000000002c000000-0000000030000000 : 0
> 0000000030000000-0000000034000000 : 0
> 0000000034000000-0000000038000000 : 0
> 0000000038000000-000000003c000000 : 0
> 000000003c000000-0000000040000000 : 0
> 0000000040000000-0000000044000000 : 0
> 0000000044000000-0000000048000000 : 0
> 0000000048000000-000000004c000000 : 0
> 000000004c000000-0000000050000000 : 0
> 0000000050000000-0000000054000000 : 0
> 0000000054000000-0000000058000000 : 0
> 0000000058000000-000000005c000000 : 0
> 000000005c000000-0000000060000000 : 0
> 0000000060000000-0000000064000000 : 0
> 0000000064000000-0000000068000000 : 0
> 0000000068000000-000000006c000000 : 0
> 000000006c000000-0000000070000000 : 0
> 0000000070000000-0000000074000000 : 0
> 0000000074000000-0000000078000000 : 0
> 0000000078000000-000000007c000000 : 0
> 000000007c000000-0000000080000000 : 0
> 0000000080000000-0000000084000000 : 0
> 0000000084000000-0000000088000000 : 0
> 0000000088000000-000000008c000000 : 0
> 000000008c000000-0000000090000000 : 0
> 0000000090000000-0000000094000000 : 0
> 0000000094000000-0000000098000000 : 0
> 0000000098000000-000000009c000000 : 0
> 000000009c000000-00000000a0000000 : 0
> 00000000a0000000-00000000a4000000 : 0
> 00000000a4000000-00000000a8000000 : 0
> 00000000a8000000-00000000ac000000 : 0
> 00000000ac000000-00000000b0000000 : 0
> 00000000b0000000-00000000b4000000 : 0
> 00000000b4000000-00000000b8000000 : 0
> 00000000b8000000-00000000bc000000 : 0
> 00000000bc000000-00000000c0000000 : 0
> 00000000c0000000-00000000c4000000 : 0
> 00000000c4000000-00000000c8000000 : 0
> 00000000c8000000-00000000cc000000 : 0
> 00000000cc000000-00000000d0000000 : 0
> 00000000d0000000-00000000d4000000 : 0
> 00000000d4000000-00000000d8000000 : 0
> 00000000d8000000-00000000dc000000 : 0
> 00000000dc000000-00000000e0000000 : 0
> 00000000e0000000-00000000e4000000 : 0
> 00000000e4000000-00000000e8000000 : 0
> 00000000e8000000-00000000ec000000 : 0
> 00000000ec000000-00000000f0000000 : 0
> 00000000f0000000-00000000f4000000 : 0
> 00000000f4000000-00000000f8000000 : 0
> 00000000f8000000-00000000fc000000 : 0
> 00000000fc000000-0000000100000000 : 0
> 0000000100000000-0000000104000000 : 0
> 0000000104000000-0000000108000000 : 0
> 0000000108000000-000000010c000000 : 0
> 000000010c000000-0000000110000000 : 0
> 0000000110000000-0000000114000000 : 0
> 0000000114000000-0000000118000000 : 0
> 0000000118000000-000000011c000000 : 0
> 000000011c000000-0000000120000000 : 0
> 0000000120000000-0000000124000000 : 0
> 0000000124000000-0000000128000000 : 0
> 0000000128000000-000000012c000000 : 0
> 000000012c000000-0000000130000000 : 0
> 0000000130000000-0000000134000000 : 0
> 0000000134000000-0000000138000000 : 0
> 0000000138000000-000000013c000000 : 0
> 000000013c000000-0000000140000000 : 0
> 0000000140000000-0000000144000000 : 0
> 0000000144000000-0000000148000000 : 0
> 0000000148000000-000000014c000000 : 0
> 000000014c000000-0000000150000000 : 0
> 0000000150000000-0000000154000000 : 0
> 0000000154000000-0000000158000000 : 0
> 0000000158000000-000000015c000000 : 0
> 000000015c000000-0000000160000000 : 0
> 0000000160000000-0000000164000000 : 0
> 0000000164000000-0000000168000000 : 0
> 0000000168000000-000000016c000000 : 0
> 000000016c000000-0000000170000000 : 0
> 0000000170000000-0000000174000000 : 0
> 0000000174000000-0000000178000000 : 0
> 0000000178000000-000000017c000000 : 0
> 000000017c000000-0000000180000000 : 0
> 0000000000000000-0000000008000000 : 0
> get base memory ranges:95
> usable memory rgns size:1 base:74d0000 size:b30000
> exclude_range sorted exclude_range[0] start:0, end:1430000
> exclude_range sorted exclude_range[1] start:74d0000, end:8000000
> setup_memory_ranges memory_range[0] start:1430001, end:74cffff
> get memory ranges:1
> Warning: append= option is not passed. Using the first kernel root partition
> 0000000008000000-000000000c000000 : 0
> 000000000c000000-0000000010000000 : 0
> 0000000010000000-0000000014000000 : 0
> 0000000014000000-0000000018000000 : 0
> 0000000018000000-000000001c000000 : 0
> 000000001c000000-0000000020000000 : 0
> 0000000020000000-0000000024000000 : 0
> 0000000024000000-0000000028000000 : 0
> 0000000028000000-000000002c000000 : 0
> 000000002c000000-0000000030000000 : 0
> 0000000030000000-0000000034000000 : 0
> 0000000034000000-0000000038000000 : 0
> 0000000038000000-000000003c000000 : 0
> 000000003c000000-0000000040000000 : 0
> 0000000040000000-0000000044000000 : 0
> 0000000044000000-0000000048000000 : 0
> 0000000048000000-000000004c000000 : 0
> 000000004c000000-0000000050000000 : 0
> 0000000050000000-0000000054000000 : 0
> 0000000054000000-0000000058000000 : 0
> 0000000058000000-000000005c000000 : 0
> 000000005c000000-0000000060000000 : 0
> 0000000060000000-0000000064000000 : 0
> 0000000064000000-0000000068000000 : 0
> 0000000068000000-000000006c000000 : 0
> 000000006c000000-0000000070000000 : 0
> 0000000070000000-0000000074000000 : 0
> 0000000074000000-0000000078000000 : 0
> 0000000078000000-000000007c000000 : 0
> 000000007c000000-0000000080000000 : 0
> 0000000080000000-0000000084000000 : 0
> 0000000084000000-0000000088000000 : 0
> 0000000088000000-000000008c000000 : 0
> 000000008c000000-0000000090000000 : 0
> 0000000090000000-0000000094000000 : 0
> 0000000094000000-0000000098000000 : 0
> 0000000098000000-000000009c000000 : 0
> 000000009c000000-00000000a0000000 : 0
> 00000000a0000000-00000000a4000000 : 0
> 00000000a4000000-00000000a8000000 : 0
> 00000000a8000000-00000000ac000000 : 0
> 00000000ac000000-00000000b0000000 : 0
> 00000000b0000000-00000000b4000000 : 0
> 00000000b4000000-00000000b8000000 : 0
> 00000000b8000000-00000000bc000000 : 0
> 00000000bc000000-00000000c0000000 : 0
> 00000000c0000000-00000000c4000000 : 0
> 00000000c4000000-00000000c8000000 : 0
> 00000000c8000000-00000000cc000000 : 0
> 00000000cc000000-00000000d0000000 : 0
> 00000000d0000000-00000000d4000000 : 0
> 00000000d4000000-00000000d8000000 : 0
> 00000000d8000000-00000000dc000000 : 0
> 00000000dc000000-00000000e0000000 : 0
> 00000000e0000000-00000000e4000000 : 0
> 00000000e4000000-00000000e8000000 : 0
> 00000000e8000000-00000000ec000000 : 0
> 00000000ec000000-00000000f0000000 : 0
> 00000000f0000000-00000000f4000000 : 0
> 00000000f4000000-00000000f8000000 : 0
> 00000000f8000000-00000000fc000000 : 0
> 00000000fc000000-0000000100000000 : 0
> 0000000100000000-0000000104000000 : 0
> 0000000104000000-0000000108000000 : 0
> 0000000108000000-000000010c000000 : 0
> 000000010c000000-0000000110000000 : 0
> 0000000110000000-0000000114000000 : 0
> 0000000114000000-0000000118000000 : 0
> 0000000118000000-000000011c000000 : 0
> 000000011c000000-0000000120000000 : 0
> 0000000120000000-0000000124000000 : 0
> 0000000124000000-0000000128000000 : 0
> 0000000128000000-000000012c000000 : 0
> 000000012c000000-0000000130000000 : 0
> 0000000130000000-0000000134000000 : 0
> 0000000134000000-0000000138000000 : 0
> 0000000138000000-000000013c000000 : 0
> 000000013c000000-0000000140000000 : 0
> 0000000140000000-0000000144000000 : 0
> 0000000144000000-0000000148000000 : 0
> 0000000148000000-000000014c000000 : 0
> 000000014c000000-0000000150000000 : 0
> 0000000150000000-0000000154000000 : 0
> 0000000154000000-0000000158000000 : 0
> 0000000158000000-000000015c000000 : 0
> 000000015c000000-0000000160000000 : 0
> 0000000160000000-0000000164000000 : 0
> 0000000164000000-0000000168000000 : 0
> 0000000168000000-000000016c000000 : 0
> 000000016c000000-0000000170000000 : 0
> 0000000170000000-0000000174000000 : 0
> 0000000174000000-0000000178000000 : 0
> 0000000178000000-000000017c000000 : 0
> 000000017c000000-0000000180000000 : 0
> 0000000000000000-0000000008000000 : 0
> get base memory ranges:96
> exclude_range sorted exclude_range[0] start:0, end:1430000
> exclude_range sorted exclude_range[1] start:74d0000, end:8000000
> setup_memory_ranges memory_range[0] start:1430001, end:74cffff
> Could not find a free area of memory of faa448 bytes...
> Could not find a free area of memory of 142721d bytes...
> 



-- 
Thanks
Dave

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  reply	other threads:[~2011-11-08  2:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-04  7:05 ppc64 kexec -p failed Dave Young
2011-11-08  2:22 ` Dave Young [this message]
2011-11-08 14:24   ` Vivek Goyal
2011-11-08  5:50 ` Mahesh Jagannath Salgaonkar
2011-11-08  6:30   ` Dave Young

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