Shutdown and Reboot Regression 2.6.25-rc[78]

[Bongani Hlope <bonganilinux@mweb.co.za>]

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Hi

I found a regression in version 2.6.25-rc7, which causes my computer not to 
shutdown or reboot. I get a complete lock up (no keyboard and Sys-Rq) just 
before it normally shuts down the alsa service.

I did a git bisect and it points to this reversion: 
[266c2e0abeca649fa6667a1a427ad1da507c6375] Make printk() console semaphore 
accesses sensible

00:00.0 Host bridge: VIA Technologies, Inc. VT8385 [K8T800 AGP] Host Bridge 
(rev 01)
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237 PCI bridge [K8T800/K8T890 
South]
00:05.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture 
(rev 11)
00:05.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 
11)
00:08.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04)
00:08.1 Input device controller: Creative Labs SB Audigy Game Port (rev 04)
00:08.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04)
00:0b.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5705 Gigabit 
Ethernet (rev 03)
00:0f.0 RAID bus controller: VIA Technologies, Inc. VIA VT6420 SATA RAID 
Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. 
VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge 
[KT600/K8T800/K8T890 South]
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM 
Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Miscellaneous Control
00:19.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
HyperTransport Technology Configuration
00:19.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Address Map
00:19.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM 
Controller
00:19.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] 
Miscellaneous Control
01:00.0 VGA compatible controller: nVidia Corporation NV36 [GeForce FX 5700LE] 
(rev a1)

Gnu C                  4.2.2
Gnu make               3.81
binutils               2.17.50.0.12
util-linux             2.13
mount                  2.13
module-init-tools      3.3-pre11
e2fsprogs              1.40.2
jfsutils               1.1.11
Linux C Library        2.6.1
Dynamic linker (ldd)   2.6.1
Procps                 3.2.7
Net-tools              1.60
Kbd                    1.12
Sh-utils               6.9
udev                   114
Modules Loaded         snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq 
binfmt_misc loop nls_cp437 vfat fat nls_iso8859_1 ntfs thermal processor fan 
container button pcspkr snd_pcm_oss snd_mixer_oss snd_emu10k1 snd_rawmidi 
snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc tuner 
tea5767 tda8290 tuner_xc2028 tda9887 tuner_simple mt20xx tea5761 snd_util_mem 
snd_hwdep firewire_ohci firewire_core bttv snd ir_common ide_cd_mod crc_itu_t 
uhci_hcd ehci_hcd ohci1394 compat_ioctl32 videodev v4l1_compat v4l2_common 
videobuf_dma_sg videobuf_core btcx_risc soundcore sr_mod emu10k1_gp tg3 
usbcore ieee1394 cdrom tveeprom gameport i2c_viapro sg evdev

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