OOPS 2.6.0-test7

This happened after I installed two new ram chips into my Dell Inspiron 8200 laptop. The old memory was 128M/PC2100 (DDR266). The new chips are 512M/PC2700 (DDR333).

Unable to handle kernel paging request at virtual address 34e9c8c2
printing eip:
c0169d78
*pde = 00000000
Oops: 0000 [#1]
CPU:    0
EIP:    0060:[<c0169d78>]    Not tainted
EFLAGS: 00010206

EIP is at find_vma+0x2d/0x51
eax: 34e9c8ba ebx: bfffc5b0 ecx: 00000000 edx: 34e9c8d2
esi: eb246d4c edi: c0122d80 ebp: db5ff980 esp: ec961f04
ds: 007b es: 007b ss: 0068
Process configure (pid: 5138, threadinfo=ec960000 task=db5ff980)

Stack: eb246d4c eb246d6c c0122f3a eb246d4c bfffc5b0 00000282 00000011 00001414
      bfffc5b0 ec960000 c012b434 00030001 bfffc590 ec961fc4 00000000 
00000000
      00000000 80010000 c013c3be 00000000 1f0ee140 e937ad4c db5ff980 
c0537408
Call Trace:
[<c0122f3a>] do_page_fault+0x1ba/0x481
[<c012b434>] do_fork+0x199/0x1dd
[<c013c3be>] sigprocmask+0xeb/0x296
[<c012555d>] schedule+0x387/0x8c9
[<c013c68d>] sys_rt_sigprocmask+0x124/0x33f
[<c017a945>] sys_close+0x101/0x223
[<c0122d80>] do_page_fault+0x0/0x481
[<c010aaa5>] error_code+0x2d/0x38

Code: 39 58 08 76 1a 39 58 04 89 c1 76 07 8b 52 0c 85 d2 75 ea 85

<3>Slab corruption: start=e8f0f78c, expend=e8f0f7cb, problemat=e8f0f7b5
Last user: [<c016ac8a>](exit_mmap+0x200/0x2b6)
Data: *****************************************EC E5 8E E5 ******************A5
Next: 71 F0 2C .8A AC 16 C0 A5 C2 0F 17 4C 5D 8A E8 00 E0 58 40 00 70 .40 E8 F1 F0 E8 25 00 00 00 slab error in check_poison_obj(): cache `vm_area_struct': object was modified after freeing

Call Trace:
[<c015a65d>] check_poison_obj+0x100/0x186
[<c01294dc>] copy_mm+0x3e4/0x75a
[<c015c8f1>] kmem_cache_alloc+0x85/0x203
[<c01294dc>] copy_mm+0x3e4/0x75a
[<c012a761>] copy_process+0x594/0x10ce
[<c03e474a>] sock_writev+0x4a/0x50
[<c012b2f7>] do_fork+0x5c/0x1dd
[<c01961fd>] sys_select+0x23c/0x50b
[<c017b68b>] vfs_write+0xc9/0x119
[<c0107ae2>] sys_fork+0x37/0x3b
[<c010a07b>] syscall_call+0x7/0xb