bbswitch precludes reboot on L502X (with workaround)

[dbarbeau]

EDIT: CROSS-REPORTED ON LP:

https://bugs.launchpad.net/lpbugreporter/+bug/752542/comments/559

Hello,

I've been using bbswitch for a few months, but when I moved to Fedora 17, reboot stopped working. I finally found a solution ( see bug 862067 ).

Here is my system data:

dmesg | grep -C 10 bbswitch

[ 17.238420] usbcore: registered new interface driver uvcvideo
[ 17.238423] USB Video Class driver (1.1.1)
[ 19.429069] Adding 12287996k swap on /dev/sda7. Priority:0 extents:1 across:12287996k
[ 20.288849] EXT4-fs (sda6): mounted filesystem with ordered data mode. Opts: (null)
[ 20.288857] SELinux: initialized (dev sda6, type ext4), uses xattr
[ 20.318948] fuse init (API version 7.20)
[ 20.342840] SELinux: initialized (dev fusectl, type fusectl), uses genfs_contexts
[ 21.417739] SELinux: initialized (dev sda8, type fuseblk), uses genfs_contexts
[ 21.702554] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[ 21.740380] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 22.069109] bbswitch: version 0.5
[ 22.069116] bbswitch: Found integrated VGA device 0000:00:02.0: SB.PCI0.GFX0
[ 22.069122] bbswitch: Found discrete VGA device 0000:01:00.0: SB.PCI0.PEG0.PEGP
[ 22.069300] bbswitch: detected an Optimus _DSM function
[ 22.069306] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on
[ 22.192605] bbswitch: disabling discrete graphics
[ 22.203244] pci 0000:01:00.0: Refused to change power state, currently in D0
[ 22.248326] pci 0000:01:00.0: power state changed by ACPI to D3cold
[ 23.052063] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 23.059282] iwlwifi 0000:03:00.0: Radio type=0x0-0x0-0x3
[ 23.109036] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S
[ 23.116214] iwlwifi 0000:03:00.0: Radio type=0x0-0x0-0x3
[ 23.160124] Bluetooth: Core ver 2.16
[ 23.160180] NET: Registered protocol family 31
[ 23.160182] Bluetooth: HCI device and connection manager initialized
[ 23.160183] Bluetooth: HCI socket layer initialized

uname -a

Linux 3.6.7-4.fc17.x86_64 #1 SMP Tue Nov 20 19:40:01 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

Distribution and version

Fedora 17 64bits

Xorg

Version : 1.12.3
Release : 2.fc17

Nouveau

Epoch : 1
Version : 0.0.16
Release : 37.20120306gitf5d1cd2.fc17

/proc/acpi/dump_info

0000:00:00.0 060000
0000:00:01.0 060400 SB.PCI0.PEG0
0000:00:02.0 030000 SB.PCI0.GFX0
0000:00:16.0 078000
0000:00:1a.0 0c0320 SB.PCI0.EHC2
0000:00:1b.0 040300 SB.PCI0.HDEF
0000:00:1c.0 060400 SB.PCI0.RP01
0000:00:1c.1 060400 SB.PCI0.RP02
0000:00:1c.3 060400 SB.PCI0.RP04
0000:00:1c.4 060400 SB.PCI0.RP05
0000:00:1c.5 060400 SB.PCI0.RP06
0000:00:1d.0 0c0320 SB.PCI0.EHC1
0000:00:1f.0 060100 SB.PCI0.LPCB
0000:00:1f.2 010601 SB.PCI0.SAT0
0000:00:1f.3 0c0500 SB.PCI0.SBUS
0000:01:00.0 030000 SB.PCI0.PEG0.PEGP
0000:03:00.0 028000 SB.PCI0.RP02.PXSX
0000:04:00.0 0c0330 SB.PCI0.RP04.PXSX
0000:06:00.0 020000 SB.PCI0.RP06.PXSX

[Lekensteyn]

Duplicate of #28 and Bumblebee-Project/Bumblebee#224