> Hi Stephen,
>
> When booting the x86_64 boxes with the next-20080409 and 20080410 kernels
> the kernel bug is hit. The same bug was reported for the April 9 kernel
> at
http://lkml.org/lkml/2008/4/10/63 (this kernel was compiled with
> CONFIG_CC_STACKPROTECTOR is not set)
>
>
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
> IP: [<ffffffff802869b1>] kmem_cache_alloc+0x41/0x130
> PGD 32dc2e067 PUD 32dd6a067 PMD 0
> Oops: 0000 [1] SMP
> last sysfs file: /sys/kernel/uevent_seqnum
> CPU 0
> Modules linked in: sg
> Pid: 1, comm: init Not tainted 2.6.25-rc8-next-20080410-autotest #1
> RIP: 0010:[<ffffffff802869b1>] [<ffffffff802869b1>] kmem_cache_alloc+0x41/0x130
> RSP: 0000:ffff810bfe4abef8 EFLAGS: 00010046
> RAX: 0000000000000000 RBX: ffff81090e4aa050 RCX: 0000000000405017
> RDX: 00007ffffb4c05b8 RSI: 00000000000000d0 RDI: 0000000000000000
> RBP: 0000000000000292 R08: 0000000000586f00 R09: 0000000000586f20
> R10: 0000000000586f08 R11: 0000000000000246 R12: 00000000000000d0
> R13: 0000000000000000 R14: 0000000000405150 R15: 0000000000000000
> FS: 000000000058b850(0063) GS:ffffffff8067f000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000000000000000 CR3: 000000090d0e6000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process init (pid: 1, threadinfo ffff810bfe4aa000, task ffff81090e4aa050)
> Stack: 0000000000000000 ffff81090e4aa050 ffff81090e4aa050 0000000000000001
> 0000000000405110 ffffffff80212f96 0000000000000292 ffff81090e4aa050
> 00007ffffb4c05a8 ffffffff8020cb79 0000000000000000 ffffffff804da339
> Call Trace:
> [<ffffffff80212f96>] init_fpu+0x96/0xf0
> [<ffffffff8020cb79>] math_state_restore+0x19/0x60
> [<ffffffff804da339>] error_exit+0x0/0x51
