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Old 09-18-2008, 07:40 PM
jochem
 
Default Bug#499449: linux-image-2.6.26-1-amd64: Setting backlight brightness does not work after resume from suspend

Package: linux-image-2.6.26-1-amd64
Version: 2.6.26-4
Severity: normal

In lenny, setting the brightness of the backlight of my sony vaio worked
out of the box (wow!). However after a resume from suspend to ram (which
also worked out of the box, wow!), this does not work anymore, the
display is restored to full brightness and the user is unable to dim it
again.

No kernel modules, acpi-settings, suspend settings, etc. not altered from a
default lenny beta 2 installer-install.

To reproduce, before suspend

echo 10 > /sys/class/backlight/sony/brigtness
Screen gets bright
echo 1 > /sys/class/backlight/sony/brigtness
Screen gets dark

After resuming from suspend

echo 10 > /sys/class/backlight/sony/brigtness
Nothing happens
echo 1 > /sys/class/backlight/sony/brigtness
Nothing happens


-- Package-specific info:
** Version:
Linux version 2.6.26-1-amd64 (Debian 2.6.26-4) (waldi@debian.org) (gcc version 4.1.3 20080623 (prerelease) (Debian 4.1.2-23)) #1 SMP Thu Aug 28 11:13:42 UTC 2008

** Command line:
root=/dev/mapper/debian-root ro usbcore.autosuspend=1 quiet

** Not tainted

** Kernel log:
[ 105.179637] ata1.00: ACPI cmd ef/03:45:00:00:00:a0 filtered out
[ 105.179639] ata1.00: ACPI cmd ef/10:03:c0:00:00:a0 filtered out
[ 105.199633] PM: Writing back config space on device 0000:09:04.1 at offset f (was 4030200, writing 403020a)
[ 105.199663] PM: Writing back config space on device 0000:09:04.1 at offset 5 (was 0, writing dc000000)
[ 105.199672] PM: Writing back config space on device 0000:09:04.1 at offset 4 (was 0, writing dc005000)
[ 105.199681] PM: Writing back config space on device 0000:09:04.1 at offset 3 (was 800000, writing 802010)
[ 105.199691] PM: Writing back config space on device 0000:09:04.1 at offset 1 (was 2100000, writing 2100016)
[ 105.207563] Clocksource tsc unstable (delta = -499999930 ns)
[ 105.248005] ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[21] MMIO=[dc005000-dc0057ff] Max Packet=[2048] IR/IT contexts=[4/8]
[ 105.261680] PM: Writing back config space on device 0000:09:04.2 at offset f (was 40703ff, writing 407030a)
[ 105.261711] PM: Writing back config space on device 0000:09:04.2 at offset 4 (was 0, writing dc004000)
[ 105.261720] PM: Writing back config space on device 0000:09:04.2 at offset 3 (was 800000, writing 803910)
[ 105.261731] PM: Writing back config space on device 0000:09:04.2 at offset 1 (was 2100000, writing 2100006)
[ 105.261759] ACPI: PCI Interrupt 0000:09:04.2[C] -> GSI 22 (level, low) -> IRQ 22
[ 106.464160] sd 0:0:0:0: [sda] Starting disk
[ 106.747292] sky2 eth0: Link is up at 100 Mbps, full duplex, flow control both
[ 107.500581] ata1.00: configured for UDMA/100
[ 107.543458] sd 0:0:0:0: [sda] 195371568 512-byte hardware sectors (100030 MB)
[ 107.543458] sd 0:0:0:0: [sda] Write Protect is off
[ 107.543458] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 107.543458] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 107.668061] usb 5-4: reset high speed USB device using ehci_hcd and address 2
[ 107.879099] hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
[ 107.879343] hda: UDMA/33 mode selected
[ 107.885021] Restarting tasks ... <6>usb 3-1: USB disconnect, address 2
[ 107.930530] done.
[ 108.117235] iwl3945 0000:06:00.0: enabling device (0000 -> 0002)
[ 108.117250] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 108.117319] PM: Writing back config space on device 0000:06:00.0 at offset f (was 100, writing 10a)
[ 108.117385] PM: Writing back config space on device 0000:06:00.0 at offset 4 (was 0, writing dc100000)
[ 108.117399] PM: Writing back config space on device 0000:06:00.0 at offset 3 (was 0, writing 10)
[ 108.117417] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 108.117680] firmware: requesting iwlwifi-3945-1.ucode
[ 108.121456] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 108.121459] iwl3945: Could not read microcode: -2
[ 108.121603] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 108.164048] usb 3-1: new full speed USB device using uhci_hcd and address 3
[ 108.337174] usb 3-1: configuration #1 chosen from 1 choice
[ 108.341896] usb 3-1: New USB device found, idVendor=0483, idProduct=2016
[ 108.341906] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 108.341911] usb 3-1: Product: Biometric Coprocessor
[ 108.341915] usb 3-1: Manufacturer: STMicroelectronics
[ 110.299168] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 110.299332] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 110.299620] firmware: requesting iwlwifi-3945-1.ucode
[ 110.307714] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 110.307723] iwl3945: Could not read microcode: -2
[ 110.307879] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 112.968292] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 112.968455] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 112.968743] firmware: requesting iwlwifi-3945-1.ucode
[ 112.977817] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 112.977827] iwl3945: Could not read microcode: -2
[ 112.977984] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 129.296465] CPU0 attaching NULL sched-domain.
[ 129.308113] CPU0 attaching sched-domain:
[ 129.308121] domain 0: span 0
[ 129.308125] groups: 0
[ 130.084299] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 130.084463] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 130.084752] firmware: requesting iwlwifi-3945-1.ucode
[ 130.091678] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 130.091684] iwl3945: Could not read microcode: -2
[ 130.091840] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 147.136288] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 147.136451] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 147.136740] firmware: requesting iwlwifi-3945-1.ucode
[ 147.145035] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 147.145044] iwl3945: Could not read microcode: -2
[ 147.145201] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 164.172270] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 164.172434] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 164.172721] firmware: requesting iwlwifi-3945-1.ucode
[ 164.179670] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 164.179676] iwl3945: Could not read microcode: -2
[ 164.179831] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 181.224283] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 181.224446] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 181.224734] firmware: requesting iwlwifi-3945-1.ucode
[ 181.231727] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 181.231733] iwl3945: Could not read microcode: -2
[ 181.231889] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 198.256281] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 198.256446] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 198.256735] firmware: requesting iwlwifi-3945-1.ucode
[ 198.263773] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 198.263779] iwl3945: Could not read microcode: -2
[ 198.263935] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 215.312275] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 215.312439] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 215.312726] firmware: requesting iwlwifi-3945-1.ucode
[ 215.319769] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 215.319775] iwl3945: Could not read microcode: -2
[ 215.319931] ACPI: PCI interrupt for device 0000:06:00.0 disabled
[ 232.352284] ACPI: PCI Interrupt 0000:06:00.0[A] -> GSI 17 (level, low) -> IRQ 17
[ 232.352447] PM: Writing back config space on device 0000:06:00.0 at offset 1 (was 100002, writing 100006)
[ 232.352735] firmware: requesting iwlwifi-3945-1.ucode
[ 232.361099] iwl3945: iwlwifi-3945-1.ucode firmware file req failed: Reason -2
[ 232.361108] iwl3945: Could not read microcode: -2
[ 232.361265] ACPI: PCI interrupt for device 0000:06:00.0 disabled

** Loaded modules:
Module Size Used by
rfcomm 38176 0
l2cap 23936 5 rfcomm
bluetooth 57124 4 rfcomm,l2cap
ipv6 288200 14
video 24084 0
output 7808 1 video
acpi_cpufreq 11792 0
cpufreq_userspace 8452 0
cpufreq_stats 9120 0
cpufreq_powersave 6400 0
cpufreq_ondemand 11792 1
freq_table 9344 3 acpi_cpufreq,cpufreq_stats,cpufreq_ondemand
cpufreq_conservative 11784 0
loop 19468 0
joydev 14848 0
pcmcia 38680 0
tpm_infineon 12860 0
tpm 19520 1 tpm_infineon
tpm_bios 10880 1 tpm
serio_raw 9860 0
pcspkr 7040 0
psmouse 42268 0
iTCO_wdt 15696 0
tifm_7xx1 10368 0
rng_core 8968 0
i2c_i801 13596 0
i2c_core 27936 1 i2c_i801
tifm_core 13640 1 tifm_7xx1
yenta_socket 27916 1
rsrc_nonstatic 14080 1 yenta_socket
pcmcia_core 41508 3 pcmcia,yenta_socket,rsrc_nonstatic
arc4 6272 2
ecb 7296 2
iwl3945 92916 0
firmware_class 12544 2 pcmcia,iwl3945
mac80211 162864 1 iwl3945
led_class 8968 1 iwl3945
cfg80211 30224 2 iwl3945,mac80211
battery 16904 0
ac 9352 0
sony_laptop 37296 0
snd_hda_intel 434776 1
snd_pcm_oss 41760 0
snd_mixer_oss 18816 1 snd_pcm_oss
snd_pcm 81800 2 snd_hda_intel,snd_pcm_oss
button 11680 0
snd_timer 25744 1 snd_pcm
snd 63688 7 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,sn d_timer
soundcore 12064 1 snd
snd_page_alloc 13072 2 snd_hda_intel,snd_pcm
intel_agp 31728 1
evdev 14208 6
ext3 124688 2
jbd 51240 1 ext3
mbcache 12804 1 ext3
sha256_generic 13696 0
aes_x86_64 12416 2
aes_generic 32552 1 aes_x86_64
cbc 7936 1
dm_crypt 17032 1
crypto_blkcipher 21636 4 ecb,cbc,dm_crypt
dm_mirror 20608 0
dm_log 13956 1 dm_mirror
dm_snapshot 19400 0
dm_mod 58864 11 dm_crypt,dm_mirror,dm_log,dm_snapshot
ide_cd_mod 36360 0
cdrom 37928 1 ide_cd_mod
usb_storage 94400 0
sd_mod 29376 3
piix 12424 0 [permanent]
ide_pci_generic 9220 0 [permanent]
ide_core 128284 3 ide_cd_mod,piix,ide_pci_generic
ata_piix 22660 2
ata_generic 10116 0
libata 165472 2 ata_piix,ata_generic
scsi_mod 160760 3 usb_storage,sd_mod,libata
ohci1394 32564 0
ieee1394 93816 1 ohci1394
ehci_hcd 36108 0
uhci_hcd 25760 0
sky2 48004 0
dock 14112 1 libata
thermal 22688 0
processor 42304 3 acpi_cpufreq,thermal
fan 9352 0
thermal_sys 17728 4 video,thermal,processor,fan

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>
Kernel driver in use: agpgart-intel
Kernel modules: intel-agp

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 5
Region 0: Memory at dc200000 (32-bit, non-prefetchable) [size=512K]
Region 1: I/O ports at 1800 [size=8]
Region 2: Memory at c0000000 (32-bit, prefetchable) [size=256M]
Region 3: Memory at dc300000 (32-bit, non-prefetchable) [size=256K]
Capabilities: <access denied>
Kernel modules: intelfb

00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Region 0: Memory at dc280000 (32-bit, non-prefetchable) [size=512K]
Capabilities: <access denied>

00:1b.0 Audio device [0403]: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller [8086:27d8] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 21
Region 0: Memory at dc340000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel

00:1c.0 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 [8086:27d0] (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=02, subordinate=05, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: d6000000-d7ffffff
Prefetchable memory behind bridge: 00000000d0000000-00000000d1ffffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.1 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 [8086:27d2] (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=06, subordinate=06, sec-latency=0
Memory behind bridge: dc100000-dc1fffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.2 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 [8086:27d4] (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=07, subordinate=07, sec-latency=0
I/O behind bridge: 00003000-00003fff
Memory behind bridge: d8000000-d9ffffff
Prefetchable memory behind bridge: 00000000d2000000-00000000d3ffffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1c.3 PCI bridge [0604]: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 [8086:27d6] (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=08, subordinate=08, sec-latency=0
I/O behind bridge: 00004000-00004fff
Memory behind bridge: da000000-dbffffff
Prefetchable memory behind bridge: 00000000d4000000-00000000d5ffffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport-driver
Kernel modules: shpchp

00:1d.0 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 [8086:27c8] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 4: I/O ports at 1820 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.1 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 [8086:27c9] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 19
Region 4: I/O ports at 1840 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.2 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 [8086:27ca] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin C routed to IRQ 19
Region 4: I/O ports at 1860 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.3 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 [8086:27cb] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 19
Region 4: I/O ports at 1880 [size=32]
Kernel driver in use: uhci_hcd
Kernel modules: uhci-hcd

00:1d.7 USB Controller [0c03]: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller [8086:27cc] (rev 02) (prog-if 20)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin D routed to IRQ 23
Region 0: Memory at dc544000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd
Kernel modules: ehci-hcd

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e2) (prog-if 01)
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Bus: primary=00, secondary=09, subordinate=0d, sec-latency=56
I/O behind bridge: 00005000-00005fff
Memory behind bridge: dc000000-dc0fffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>
Kernel modules: iTCO_wdt, intel-rng

00:1f.1 IDE interface [0101]: Intel Corporation 82801G (ICH7 Family) IDE Controller [8086:27df] (rev 02) (prog-if 8a [Master SecP PriP])
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 22
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at 1810 [size=16]
Kernel driver in use: PIIX_IDE
Kernel modules: ata_generic, ide-pci-generic, piix

00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller [8086:27c4] (rev 02) (prog-if 8f [Master SecP SecO PriP PriO])
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 22
Region 0: I/O ports at 18d0 [size=8]
Region 1: I/O ports at 18c4 [size=4]
Region 2: I/O ports at 18c8 [size=8]
Region 3: I/O ports at 18c0 [size=4]
Region 4: I/O ports at 18b0 [size=16]
Region 5: Memory at dc544400 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ata_piix
Kernel modules: ata_piix, ata_generic, ide-pci-generic

00:1f.3 SMBus [0c05]: Intel Corporation 82801G (ICH7 Family) SMBus Controller [8086:27da] (rev 02)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Region 4: I/O ports at 18e0 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c-i801

06:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG Network Connection [8086:4222] (rev 02)
Subsystem: Intel Corporation Device [8086:1051]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 17
Region 0: Memory at dc100000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: iwl3945
Kernel modules: iwl3945

07:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8036 PCI-E Fast Ethernet Controller [11ab:4351] (rev 15)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 1275
Region 0: Memory at d8000000 (64-bit, non-prefetchable) [size=16K]
Region 2: I/O ports at 3000 [size=256]
Capabilities: <access denied>
Kernel driver in use: sky2
Kernel modules: sky2

09:04.0 CardBus bridge [0607]: Texas Instruments PCIxx12 Cardbus Controller [104c:8039]
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 168, Cache Line Size: 128 bytes
Interrupt: pin A routed to IRQ 20
Region 0: Memory at dc006000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=09, secondary=0a, subordinate=0d, sec-latency=176
Memory window 0: 8c400000-8c7ff000 (prefetchable)
Memory window 1: 88000000-8bfff000
I/O window 0: 00005000-000050ff
I/O window 1: 00005400-000054ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset+ 16bInt+ PostWrite+
16-bit legacy interface ports at 0001
Kernel driver in use: yenta_cardbus
Kernel modules: yenta_socket

09:04.1 FireWire (IEEE 1394) [0c00]: Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller [104c:803a] (prog-if 10)
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 32 (750ns min, 1000ns max), Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 21
Region 0: Memory at dc005000 (32-bit, non-prefetchable) [size=2K]
Region 1: Memory at dc000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: ohci1394
Kernel modules: ohci1394

09:04.2 Mass storage controller [0180]: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD) [104c:803b]
Subsystem: Sony Corporation Device [104d:81e6]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 57 (1750ns min, 1000ns max), Cache Line Size: 64 bytes
Interrupt: pin C routed to IRQ 22
Region 0: Memory at dc004000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: tifm_7xx1
Kernel modules: tifm_7xx1



-- System Information:
Debian Release: lenny/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.26-1-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-2.6.26-1-amd64 depends on:
ii debconf [debconf-2.0] 1.5.22 Debian configuration management sy
ii initramfs-tools [linux-initra 0.92j tools for generating an initramfs
ii module-init-tools 3.4-1 tools for managing Linux kernel mo

linux-image-2.6.26-1-amd64 recommends no packages.

Versions of packages linux-image-2.6.26-1-amd64 suggests:
ii grub 0.97-47 GRand Unified Bootloader (Legacy v
pn linux-doc-2.6.26 <none> (no description available)

-- debconf information excluded




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Old 05-30-2010, 12:43 PM
Moritz Muehlenhoff
 
Default Bug#499449: linux-image-2.6.26-1-amd64: Setting backlight brightness does not work after resume from suspend

tags 499449 moreinfo
thanks

On Thu, Sep 18, 2008 at 09:40:50PM +0200, jochem wrote:
> Package: linux-image-2.6.26-1-amd64
> Version: 2.6.26-4
> Severity: normal
>
> In lenny, setting the brightness of the backlight of my sony vaio worked
> out of the box (wow!). However after a resume from suspend to ram (which
> also worked out of the box, wow!), this does not work anymore, the
> display is restored to full brightness and the user is unable to dim it
> again.
>
> No kernel modules, acpi-settings, suspend settings, etc. not altered from a
> default lenny beta 2 installer-install.
>
> To reproduce, before suspend
>
> echo 10 > /sys/class/backlight/sony/brigtness
> Screen gets bright
> echo 1 > /sys/class/backlight/sony/brigtness
> Screen gets dark
>
> After resuming from suspend
>
> echo 10 > /sys/class/backlight/sony/brigtness
> Nothing happens
> echo 1 > /sys/class/backlight/sony/brigtness
> Nothing happens

Hi,
The next release of Debian (6.0, code name Squeeze) will be based
on 2.6.32. Please test the current 2.6.32 from unstable/testing and tell
us whether the problem persists. If so, we should report it upstream
to the kernel.org developers.

The 2.6.32 kernel is available from packages.debian.org and can
be installed in both Debian stable, testing and unstable
installations.

Thanks,
Moritz



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Archive: 20100530124355.GZ2398@galadriel.inutil.org">http://lists.debian.org/20100530124355.GZ2398@galadriel.inutil.org
 

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