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Date: Tue, 01 Jul 2003 19:56:39 +0200
From: Brian Murphy <brian@murphy.dk>
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To: linux-mips@linux-mips.org
Subject: 2.5 crash on boot
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Hi,

I get this now when my system (working well with 2.4) attempts to
read from the disk on my system:

Freeing unused kernel memory: 88k freed      
Unable to handle kernel paging request at virtual address 07cac000, epc 
== 8005c
Oops in arch/mips/mm/fault.c::do_page_fault, line 
205[#1]:                     
Cpu 0                                                     
$ 0 : 00000000 b0008400 00000000 fffffff4
$ 4 : 07cac000 00000000 00011000 000007df
$ 8 : 07cac000 801e4ab8 811375e0 00000001
$12 : 00000001 00100100 ffffffff 87fff284
$16 : 00000000 07cac000 00000000 87ce5e98
$20 : 00011000 ffffffbf 000007df 00008075
$24 : 87fff28c 00000001                  
$28 : 87ce4000 87ce5de8 87f1c720 80059e2c
Hi      : 00000000                       
Lo      : 00000000
epc   : 80059cb0    Not tainted
Status: b0008403               
Cause : 00001008
KERNEL EXL IE Process swapon (pid: 19, stackpage=87d22ac0)
Stack:  8004ee28 80106b68 811377e8 00000000 00000000 801d7c00 00011000 
ffc000000
        8006a2d8 87ce5e98 00000201 c0000000 801d7c00 c0011000 ffc00000 
87ce5e988
        87f0a120 00000044 87f0a120 87f0b4e0 00000011 000000d2 00000020 
000007df.
Call 
Trace:                                                                    
 [<8004ee28>] pte_alloc_kernel+0x74/0x158
 [<80106b68>] blk_remove_plug+0x78/0x98  
 [<80059e2c>] map_area_pmd+0x84/0xd0   
 [<8006a2d8>] blkdev_readpage+0x0/0x28
 [<80059f98>] map_vm_area+0x74/0xe0   
 [<8005a4f8>] __vmalloc+0x140/0x178
 [<800228c0>] autoremove_wake_function+0x0/0x44
 [<8006a150>] blkdev_get_block+0x0/0x74        
 [<8005a544>] vmalloc+0x14/0x20        
 [<8005e1bc>] sys_swapon+0x6ec/0x84c
 [<8005dee4>] sys_swapon+0x414/0x84c
 [<8021b000>] pci_scan_device+0xf0/0x1a8
 [<8000cc20>] stack_done+0x18/0x34      
 [<80008413>] handle_ades_int+0x27/0x34
                                       

Code: 8fb30040  3c140040  2415ffbf <8e220000> 8e630000  3c04801b  
2484cb6c  005
                                                                               


Any pointers? I'm running in 32 bit mode.

/Brian