2.6.0-test5: mm/page_alloc.c failure

[Daniel Engelschalt]

with vanilla 2.6.0-test5 i get the following:

Sep 16 19:23:41 A405a kernel: Debug: sleeping function called from invalid
context at mm/page_alloc.c:546
Sep 16 19:23:41 A405a kernel: Call Trace:
Sep 16 19:23:41 A405a kernel:  [__might_sleep+99/108]
__might_sleep+0x63/0x6c
Sep 16 19:23:41 A405a kernel:  [<c011b967>] __might_sleep+0x63/0x6c
Sep 16 19:23:41 A405a kernel:  [__alloc_pages+42/676]
__alloc_pages+0x2a/0x2a4
Sep 16 19:23:41 A405a kernel:  [<c0141bfa>] __alloc_pages+0x2a/0x2a4
Sep 16 19:23:41 A405a kernel:  [try_to_wake_up+640/656]
try_to_wake_up+0x280/0x290
Sep 16 19:23:41 A405a kernel:  [<c01188b4>] try_to_wake_up+0x280/0x290
Sep 16 19:23:41 A405a kernel:  [pte_alloc_one+25/96] pte_alloc_one+0x19/0x60
Sep 16 19:23:41 A405a kernel:  [<c0116f3d>] pte_alloc_one+0x19/0x60
Sep 16 19:23:41 A405a kernel:  [pte_alloc_map+162/472]
pte_alloc_map+0xa2/0x1d8
Sep 16 19:23:41 A405a kernel:  [<c014cc5a>] pte_alloc_map+0xa2/0x1d8
Sep 16 19:23:41 A405a kernel:  [remap_page_range+275/688]
remap_page_range+0x113/0x2b0
Sep 16 19:23:41 A405a kernel:  [<c014e717>] remap_page_range+0x113/0x2b0
Sep 16 19:23:41 A405a kernel:  [_end+546523023/1069938592]
os_map_io_space+0x37/0x4c [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0cd2fef>] os_map_io_space+0x37/0x4c
[nvidia]
Sep 16 19:23:41 A405a kernel:  [map_vm_area+200/372] map_vm_area+0xc8/0x174
Sep 16 19:23:41 A405a kernel:  [<c015a468>] map_vm_area+0xc8/0x174
Sep 16 19:23:41 A405a kernel:  [_end+546598282/1069938592]
__nvsym00625+0x1e/0x28 [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0ce55ea>] __nvsym00625+0x1e/0x28 [nvidia]
Sep 16 19:23:41 A405a kernel:  [_end+546590913/1069938592]
__nvsym00602+0x91/0xc4 [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0ce3921>] __nvsym00602+0x91/0xc4 [nvidia]
Sep 16 19:23:41 A405a kernel:  [_end+546591346/1069938592]
__nvsym00611+0x26/0x5c [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0ce3ad2>] __nvsym00611+0x26/0x5c [nvidia]
Sep 16 19:23:41 A405a kernel:  [_end+546613939/1069938592]
rm_map_agp_pages+0x1b/0x24 [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0ce9313>] rm_map_agp_pages+0x1b/0x24
[nvidia]
Sep 16 19:23:41 A405a kernel:  [_end+546508354/1069938592]
nv_kern_mmap+0x3d6/0x7c4 [nvidia]
Sep 16 19:23:41 A405a kernel:  [<e0ccf6a2>] nv_kern_mmap+0x3d6/0x7c4
[nvidia]
Sep 16 19:23:41 A405a kernel:  [do_mmap_pgoff+1031/1484]
do_mmap_pgoff+0x407/0x5cc
Sep 16 19:23:41 A405a kernel:  [<c0151c93>] do_mmap_pgoff+0x407/0x5cc
Sep 16 19:23:41 A405a kernel:  [old_mmap+275/340] old_mmap+0x113/0x154
Sep 16 19:23:41 A405a kernel:  [<c011197b>] old_mmap+0x113/0x154
Sep 16 19:23:41 A405a kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
Sep 16 19:23:41 A405a kernel:  [<c0109d77>] syscall_call+0x7/0xb
Sep 16 19:23:41 A405a kernel:  [tcp_twcal_tick+395/592]
tcp_twcal_tick+0x18b/0x250
Sep 16 19:23:41 A405a kernel:  [<c0284627>] tcp_twcal_tick+0x18b/0x250

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