On Sun, May 4, 2008 at 3:38 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
quoted text
>
>  So this merge window was somewhat rocky in the sense that there was a lot
>  of arguments about it, but at the same time I at least personally think
>  that from a technical angle, we had somewhat less scary stuff going on
>  than has been almost the rule lately.

I'm seeing this on a Dell 2950 (quad-core) during boot up, but not on
my IBM X60s (dual-core). This is using the lastest git 2.6.26-rc1.

Just checking to see if this is a known bug before doing the bisect --
more painful on the 2950 to reboot.

Thanks,
Jeff.


Freeing unused kernel memory: 252k freed
------------[ cut here ]------------
WARNING: at arch/x86/mm/pgtable_32.c:178 pmd_bad+0xa3/0xe3()
Modules linked in:
Pid: 1226, comm: khelper Not tainted 2.6.26-rc1 #4
 [<c0121614>] warn_on_slowpath+0x40/0x65
 [<c011823e>] kmap_atomic+0x11/0x14
 [<c01183b7>] kunmap_atomic+0x4f/0x78
 [<c014a0db>] get_page_from_freelist+0x33a/0x3da
 [<c014a225>] __alloc_pages_internal+0x98/0x356
 [<c01181f8>] kmap_atomic_prot+0x102/0x137
 [<c01183b7>] kunmap_atomic+0x4f/0x78
 [<c0154dd0>] handle_mm_fault+0xb70/0xbba
 [<c011770c>] pmd_bad+0xa3/0xe3
 [<c0151cad>] follow_page+0x109/0x30a
 [<c015516b>] get_user_pages+0x351/0x3c0
 [<c016aec4>] get_arg_page+0x2b/0x7b
 [<c016afe1>] copy_strings+0xcd/0x173
 [<c016b0a0>] copy_strings_kernel+0x19/0x27
 [<c016c28a>] do_execve+0xd9/0x18f
 [<c010136a>] sys_execve+0x2a/0x4f
 [<c0102d22>] syscall_call+0x7/0xb
 [<c038007b>] i8042_probe+0x29f/0x508
 [<c0106034>] kernel_execve+0x14/0x18
 [<c012dcfc>] ____call_usermodehelper+0x0/0x105
 [<c012ddf7>] ____call_usermodehelper+0xfb/0x105
 [<c012dcfc>] ____call_usermodehelper+0x0/0x105
 [<c0103917>] kernel_thread_helper+0x7/0x10
 =======================
---[ end trace 6aae36751415b63a ]---
Adding 27350652k swap on /dev/sda3.  Priority:-1 extents:1 across:27350652k
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