Bug 905613

Additional info:
BUG: unable to handle kernel paging request at 0000000000ff1000
IP: [<ffffffff812e95fd>] memcpy+0xd/0x110
PGD 0 
Oops: 0000 [#1] SMP 
Modules linked in: mfd_core snd_hwdep snd_seq snd_seq_device i2c_i801 btusb bluetooth snd_pcm iwlwifi cfg80211 snd_page_alloc snd_timer snd mei soundcore vhost_net tun sony_laptop(+) macvtap macvlan rfkill kvm_intel kvm uinput nouveau mxm_wmi crc32c_intel i2c_algo_bit drm_kms_helper ttm sdhci_pci firewire_ohci drm firewire_core sdhci crc_itu_t mmc_core i2c_core wmi video
CPU 0 
Pid: 363, comm: systemd-udevd Not tainted 3.6.10-4.fc18.x86_64 #1 Sony Corporation VPCS11E7E/VAIO
RIP: 0010:[<ffffffff812e95fd>]  [<ffffffff812e95fd>] memcpy+0xd/0x110
RSP: 0018:ffff88022b69db80  EFLAGS: 00010246
RAX: ffff88022b69dc10 RBX: ffff88022c35bec0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000ff1000 RDI: ffff88022b69dc10
RBP: ffff88022b69db98 R08: ffff880233002700 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88022b69dc10
R13: 0000000000000009 R14: 0000000000000000 R15: 0000000000000035
FS:  00007faeb64c3840(0000) GS:ffff88023bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000ff1000 CR3: 000000022b278000 CR4: 00000000000007f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process systemd-udevd (pid: 363, threadinfo ffff88022b69c000, task ffff88022de2ae20)
Stack:
 ffffffffa0102843 ffff88022fc08000 ffff88022b69dbf0 ffff88022b69dc68
 ffffffffa0103f4a ffff88022b6ed850 ffff88022b69dc28 ffff88022b69dbf8
 ffffffff00000135 ffff88022b69dc2f ffff88022b798400 0000000000000000
Call Trace:
 [<ffffffffa0102843>] ? sony_nc_buffer_call.constprop.14+0x43/0xa0 [sony_laptop]
 [<ffffffffa0103f4a>] sony_nc_add+0x77a/0x1180 [sony_laptop]
 [<ffffffff812034c6>] ? sysfs_do_create_link+0xe6/0x200
 [<ffffffff8133fc57>] acpi_device_probe+0x50/0x11d
 [<ffffffff813c71eb>] driver_probe_device+0x8b/0x390
 [<ffffffff813c759b>] __driver_attach+0xab/0xb0
 [<ffffffff813c74f0>] ? driver_probe_device+0x390/0x390
 [<ffffffff813c5285>] bus_for_each_dev+0x55/0x90
 [<ffffffff813c6b6e>] driver_attach+0x1e/0x20
 [<ffffffff813c67a0>] bus_add_driver+0x1a0/0x290
 [<ffffffffa010f000>] ? 0xffffffffa010efff
 [<ffffffffa010f000>] ? 0xffffffffa010efff
 [<ffffffff813c7c67>] driver_register+0x77/0x170
 [<ffffffff814d2bc3>] ? dmi_matches+0x53/0xc0
 [<ffffffffa010f000>] ? 0xffffffffa010efff
 [<ffffffff813403b9>] acpi_bus_register_driver+0x3e/0x47
 [<ffffffffa010f058>] sony_laptop_init+0x58/0x1000 [sony_laptop]
 [<ffffffff8100212a>] do_one_initcall+0x12a/0x180
 [<ffffffff810be400>] sys_init_module+0x140/0x21f0
 [<ffffffff812fb480>] ? ddebug_proc_open+0xd0/0xd0
 [<ffffffff8162bae9>] system_call_fastpath+0x16/0x1b
Code: 2b 43 50 88 43 4e 48 83 c4 08 5b 5d c3 90 e8 eb fb ff ff eb e6 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 
RIP  [<ffffffff812e95fd>] memcpy+0xd/0x110
 RSP <ffff88022b69db80>

Potential duplicate: bug 880609