Eeek! page_mapcount(page) went negative! (-1)
  page pfn = 1a54
  page->flags = 40000090
  page->count = 1
  page->mapping = 00000000
  vma->vm_ops = _stext+0xffffe000/0x50
------------[ cut here ]------------
kernel BUG at mm/rmap.c:609!
invalid opcode: 0000 [#1]
SMP
Modules linked in: fuse sit tunnel4 xt_state xt_limit iptable_filter ipt_REDIRECT xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 ip_tables x_tables ipv6 shpchp pata_amd ohci_hcd k
8temp i2c_nforce2 i2c_core forcedeth ehci_hcd ata_generic capability commoncap 3c59x mii nf_conntrack_ftp nf_conntrack nfnetlink loop lp parport
CPU:    0
EIP:    0060:[<00060985>]    Not tainted VLI
EFLAGS: 00010246   (2.6.21-grsec-fw0.1 #1)
EIP is at page_remove_rmap+0xce/0xed
eax: 00000000   ebx: c10f6a80   ecx: 00000046   edx: 00000000
esi: dccc95f4   edi: 00000000   ebp: c11feb20   esp: f213bed4
ds: 0068   es: 0068   fs: 00d8  gs: 0000  ss: 0068
Process sh (pid: 21535, ti=f213a000 task=c60d4a70 task.ti=f213a000)
Stack: c07b284d 00000000 c10f6a80 68117000 0005adb9 c013237c c18a5f8c 68183fff
       00000000 dccc95f4 f213bf58 00000001 00000000 68184000 eb2c7680 eb2c7680
       cb858140 c18a5f7c c9e5945c ffffffed ffffffff 00276bac 68184000 00000000
Call Trace:
 =======================
Code: c0 74 0d 8b 50 08 b8 7d 28 7b c0 e8 44 12 fe ff 8b 46 48 85 c0 74 14 8b 40 10 85 c0 74 0d 8b 50 2c b8 9c 28 7b c0 e8 29 12 fe ff <0f> 0b eb fe 8b 53 10 89 d8 59 5b 5b 83 e2
01 5e f7 da 83 c2 04
EIP: [<00060985>] page_remove_rmap+0xce/0xed SS:ESP 0068:f213bed4
Fixing recursive fault but reboot is needed!