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Date:      Thu, 16 Oct 2014 11:45:49 -0400
From:      Henry Hu <henry.hu.sh@gmail.com>
To:        Wojciech Puchar <wojtek@puchar.net>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: help with backlight control and memory
Message-ID:  <CAEJt7hYJ_Dy9bLPbzEH6WCKPGO9p7rs9dM4y%2BxhGg-MDC4oduw@mail.gmail.com>
In-Reply-To: <alpine.BSF.2.11.1410161415440.39168@laptop>
References:  <alpine.BSF.2.11.1410161415440.39168@laptop>

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On Thu, Oct 16, 2014 at 8:19 AM, Wojciech Puchar <wojtek@puchar.net> wrote:

> bought new laptop. it's lenovo B590
>
> most things works fine. but brightness control keys doesn't work after
> FreeBSD is loaded. they work before it.
>
> i don't ask for a solution but any point to start. What should i check?
>
>
Have you loaded the acpi_video module? What does `sysctl hw.acpi.video` say?


> is it ACPI tables problem (kernel shows some errors).
>
> Other question - can amount of memory dedicated to GFX card be changed?
> There is no option in BIOS setup to do this. and i have lots of memory
> wasted as you may see below.
>
>
>
> Copyright (c) 1992-2014 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 10.1-BETA1 #4: Wed Oct 15 23:56:56 CEST 2014
>     root@laptop:/usr/src/sys/amd64/compile/laptop amd64
> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
> CPU: Intel(R) Celeron(R) CPU 1005M @ 1.90GHz (1895.73-MHz K8-class CPU)
>   Origin = "GenuineIntel"  Id = 0x306a9  Family = 0x6  Model = 0x3a
> Stepping = 9
>   Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,
> APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,
> MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>   Features2=0xdbae3bf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,
> VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,
> x2APIC,POPCNT,TSCDLT,XSAVE,OSXSAVE>
>   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
>   AMD Features2=0x1<LAHF>
>   Structured Extended Features=0x281<FSGSBASE,SMEP,ERMS>
>   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
>   TSC: P-state invariant, performance statistics
> real memory  = 2147483648 (2048 MB)
> avail memory = 1585037312 (1511 MB)
> Event timer "LAPIC" quality 600
> ACPI APIC Table: <LENOVO TP-H9   >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> FreeBSD/SMP: 1 package(s) x 2 core(s)
>  cpu0 (BSP): APIC ID:  0
>  cpu1 (AP): APIC ID:  2
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> random: <Software, Yarrow> initialized
> iscsi: version 2.3.1
> kbd1 at kbdmux0
> cryptosoft0: <software crypto> on motherboard
> acpi0: <LENOVO TP-H9> on motherboard
> ACPI Error: No handler for Region [ECOR] (0xfffff80001710400)
> [EmbeddedControl] (20130823/evregion-178)
> ACPI Error: Region EmbeddedControl (ID=3) has no handler
> (20130823/exfldio-320)
> ACPI Error: Method parse/execution failed [\134_SB_.PCI0.LPCB.H_EC._REG]
> (Node 0xfffff8000171e200), AE_NOT_EXIST (20130823/psparse-553)
> acpi0: Power Button (fixed)
> cpu0: <ACPI CPU> on acpi0
> cpu1: <ACPI CPU> on acpi0
> hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
> Timecounter "HPET" frequency 14318180 Hz quality 950
> Event timer "HPET" frequency 14318180 Hz quality 550
> Event timer "HPET1" frequency 14318180 Hz quality 440
> Event timer "HPET2" frequency 14318180 Hz quality 440
> Event timer "HPET3" frequency 14318180 Hz quality 440
> Event timer "HPET4" frequency 14318180 Hz quality 440
> Event timer "HPET5" frequency 14318180 Hz quality 440
> Event timer "HPET6" frequency 14318180 Hz quality 440
> atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
> atrtc0: Warning: Couldn't map I/O.
> Event timer "RTC" frequency 32768 Hz quality 0
> attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
> Timecounter "i8254" frequency 1193182 Hz quality 0
> Event timer "i8254" frequency 1193182 Hz quality 100
> Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
> acpi_ec0: <Embedded Controller: GPE 0x17> port 0x62,0x66 on acpi0
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci0: <ACPI PCI bus> on pcib0
> vgapci0: <VGA-compatible display> port 0x3000-0x303f mem
> 0x90000000-0x903fffff,0x80000000-0x8fffffff irq 16 at device 2.0 on pci0
> agp0: <IvyBridge mobile GT1 IG> on vgapci0
> agp0: aperture size is 256M, detected 32764k stolen memory
> vgapci0: Boot video device
> xhci0: <Intel Panther Point USB 3.0 controller> mem 0x90600000-0x9060ffff
> irq 21 at device 20.0 on pci0
> xhci0: 32 byte context size.
> xhci0: Port routing mask set to 0xffffffff
> usbus0 on xhci0
> pci0: <simple comms> at device 22.0 (no driver attached)
> ehci0: <Intel Panther Point USB 2.0 controller> mem 0x9061a000-0x9061a3ff
> irq 16 at device 26.0 on pci0
> usbus1: EHCI version 1.0
> usbus1 on ehci0
> hdac0: <Intel Panther Point HDA Controller> mem 0x90610000-0x90613fff irq
> 22 at device 27.0 on pci0
> pcib1: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
> pci1: <ACPI PCI bus> on pcib1
> pcib2: <ACPI PCI-PCI bridge> irq 17 at device 28.1 on pci0
> pci2: <ACPI PCI bus> on pcib2
> pci2: <network> at device 0.0 (no driver attached)
> pcib3: <ACPI PCI-PCI bridge> irq 19 at device 28.3 on pci0
> pci3: <ACPI PCI bus> on pcib3
> re0: <RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet> port
> 0x2000-0x20ff mem 0x90404000-0x90404fff,0x90400000-0x90403fff irq 19 at
> device 0.0 on pci3
> re0: Using 1 MSI-X message
> re0: ASPM disabled
> re0: Chip rev. 0x2c800000
> re0: MAC rev. 0x00100000
> miibus0: <MII bus> on re0
> ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
> ukphy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
> 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
> re0: Ethernet address: 54:ee:75:13:f2:6b
> ehci1: <Intel Panther Point USB 2.0 controller> mem 0x90619000-0x906193ff
> irq 23 at device 29.0 on pci0
> usbus2: EHCI version 1.0
> usbus2 on ehci1
> isab0: <PCI-ISA bridge> at device 31.0 on pci0
> isa0: <ISA bus> on isab0
> ahci0: <Intel Panther Point AHCI SATA controller> port
> 0x3088-0x308f,0x3094-0x3097,0x3080-0x3087,0x3090-0x3093,0x3060-0x307f mem
> 0x90618000-0x906187ff irq 19 at device 31.2 on pci0
> ahci0: AHCI v1.30 with 4 6Gbps ports, Port Multiplier not supported
> ahcich0: <AHCI channel> at channel 0 on ahci0
> ahcich4: <AHCI channel> at channel 4 on ahci0
> ahciem0: <AHCI enclosure management bridge> on ahci0
> acpi_acad0: <AC Adapter> on acpi0
> acpi_lid0: <Control Method Lid Switch> on acpi0
> acpi_button0: <Sleep Button> on acpi0
> acpi_tz0: <Thermal Zone> on acpi0
> acpi_tz1: <Thermal Zone> on acpi0
> atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0
> kbd0 at atkbd0
> atkbd0: [GIANT-LOCKED]
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: [GIANT-LOCKED]
> psm0: model Generic PS/2 mouse, device ID 0
> battery0: <ACPI Control Method Battery> on acpi0
> acpi_ibm0: <IBM ThinkPad ACPI Extras> on acpi0
> orm0: <ISA Option ROM> at iomem 0xc0000-0xcefff on isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
> est0: <Enhanced SpeedStep Frequency Control> on cpu0
> p4tcc0: <CPU Frequency Thermal Control> on cpu0
> est1: <Enhanced SpeedStep Frequency Control> on cpu1
> p4tcc1: <CPU Frequency Thermal Control> on cpu1
> fuse-freebsd: version 0.4.4, FUSE ABI 7.8
> Timecounters tick every 1.000 msec
> ipfw2 (+ipv6) initialized, divert enabled, nat enabled, default to accept,
> logging disabled
> DUMMYNET 0 with IPv6 initialized (100409)
> load_dn_sched dn_sched RR loaded
> load_dn_sched dn_sched WF2Q+ loaded
> load_dn_sched dn_sched FIFO loaded
> load_dn_sched dn_sched PRIO loaded
> load_dn_sched dn_sched QFQ loaded
> hdacc0: <Realtek ALC269 HDA CODEC> at cad 0 on hdac0
> hdaa0: <Realtek ALC269 Audio Function Group> at nid 1 on hdacc0
> pcm0: <Realtek ALC269 (Analog 2.0+HP/2.0)> at nid 20,21 and 24,25 on hdaa0
> hdacc1: <Intel Panther Point HDA CODEC> at cad 3 on hdac0
> hdaa1: <Intel Panther Point Audio Function Group> at nid 1 on hdacc1
> pcm1: <Intel Panther Point (HDMI/DP 8ch)> at nid 5 on hdaa1
> random: unblocking device.
> usbus0: 5.0Gbps Super Speed USB v3.0
> usbus1: 480Mbps High Speed USB v2.0
> usbus2: 480Mbps High Speed USB v2.0
> ACPI Error: No handler for Region [ECRM] (0xfffff800017dd180)
> [EmbeddedControl] (20130823/evregion-178)
> ACPI Error: Region EmbeddedControl (ID=3) has no handler
> (20130823/exfldio-320)
> ACPI Error: Method parse/execution failed [\134_TZ_.MDEC] (Node
> 0xfffff80001725b40), AE_NOT_EXIST (20130823/psparse-553)
> ACPI Error: Method parse/execution failed [\134_TZ_.TZS0._SCP] (Node
> 0xfffff80001725a40), AE_NOT_EXIST (20130823/psparse-553)
> ugen2.1: <Intel> at usbus2
> uhub0: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2
> ugen1.1: <Intel> at usbus1
> ugen0.1: <0x8086> at usbus0
> uhub1: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0
> uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
> ses0 at ahciem0 bus 0 scbus2 target 0 lun 0
> ses0: <AHCI SGPIO Enclosure 1.00 0001> SEMB S-E-S 2.00 device
> ses0: SEMB SES Device
> ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
> ada0: <WDC WD5000LPVT-24G33T1 02.01A02> ATA-8 SATA 2.x device
> ada0: Serial Number WD-WXL1EB3KUNR5
> ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
> ada0: Command Queueing enabled
> cd0 at ahcich4 bus 0 scbus1 target 0 lun 0
> cd0: <HL-DT-ST DVDRAM GTA0N LC00> Removable CD-ROM SCSI-0 device cd0:
> Serial Number KW9E4571958
> cd0: 150.000MB/s transfers (SATA 1.x, UDMA2, ATAPI 12bytes, PIO 8192bytes)
> cd0: Attempt to query device size failed: NOT READY, Medium not present -
> tray closed
> ada0: 476940MB (976773168 512 byte sectors: 16H 63S/T 16383C)
> ada0: quirks=0x1<4K>
> ada0: Previously was known as ad0
> Enter passphrase for ada0d: SMP: AP CPU #1 Launched!
> hwpmc: SOFT/16/64/0x67<INT,USR,SYS,REA,WRI> TSC/1/64/0x20<REA>
> IAP/8/48/0x3ff<INT,USR,SYS,EDG,THR,REA,WRI,INV,QUA,PRC>
> IAF/3/48/0x67<INT,USR,SYS,REA,WRI>
> Timecounter "TSC" frequency 1895731156 Hz quality 1000
> uhub1: 8 ports with 8 removable, self powered
> uhub0: 3 ports with 3 removable, self powered
> uhub2: 3 ports with 3 removable, self powered
> ugen2.2: <vendor 0x8087> at usbus2
> uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
> usbus2
> ugen1.2: <vendor 0x8087> at usbus1
> uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on
> usbus1
> uhub3: 4 ports with 4 removable, self powered
> uhub4: 4 ports with 4 removable, self powered
> ugen1.3: <Vimicro corp.> at usbus1
> ugen1.4: <Generic> at usbus1
> umass0: <Generic Flash Card ReaderWriter, class 0/0, rev 2.00/1.00, addr
> 4> on usbus1
> da0 at umass-sim0 bus 0 scbus3 target 0 lun 0
> da0: <Multiple Card  Reader 1.00> Removable Direct Access SCSI-0 device
> da0: Serial Number 058F63666435
> da0: 40.000MB/s transfers
> da0: Attempt to query device size failed: NOT READY, Medium not present
> da0: quirks=0x2<NO_6_BYTE>
> ugen1.5: <Broadcom Corp> at usbus1
> GEOM_ELI: Device ada0d.eli created.
> GEOM_ELI: Encryption: AES-CBC 128
> GEOM_ELI:     Crypto: software
> Trying to mount root from ufs:ada0d.eli []...
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>



-- 
Cheers,
Henry



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