Hello, between 3.1 and cc03bbf1 on linux-next there has been a regression which causes the screen to go black (not blank, backlight is still lit) on KMS. The system runs fine in the background and, to all it seems, X even starts, but the screen is black and useless.
8086:0046 (rev 18) VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (System is an EEE Slate). Attached is a diff between the dmesg in normal operation and the dmesg when the screen goes black diff -u <(egrep -o '\].*' FAULT) <(egrep -o '\].*' WORKING) I'll try to bisect the problem as soon as I can. thank you
--- /dev/fd/63 2011-11-04 23:01:22.080004826 +0100 +++ /dev/fd/62 2011-11-04 23:01:22.080004826 +0100 @@ -1,5 +1,5 @@ -] Linux version 3.1.0-next-20111104 (root@slate) (gcc version 4.5.3 (Gentoo 4.5.3-r1 p1.0, pie-0.4.5) ) #1 SMP Fri Nov 4 22:41:43 CET 2011 -] Command line: BOOT_IMAGE=Test ro root=801 rootfstype=ext3 +] Linux version 3.1.0-gentoo (root@slate) (gcc version 4.5.3 (Gentoo 4.5.3-r1 p1.0, pie-0.4.5) ) #22 SMP Thu Nov 3 22:47:53 CET 2011 +] Command line: auto BOOT_IMAGE=Default ro root=801 rootfstype=ext3 ] BIOS-provided physical RAM map: ] BIOS-e820: 0000000000000000 - 000000000009bc00 (usable) ] BIOS-e820: 000000000009bc00 - 00000000000a0000 (reserved) @@ -62,10 +62,10 @@ ] init_memory_mapping: 0000000000000000-00000000dad9f000 ] 0000000000 - 00dac00000 page 2M ] 00dac00000 - 00dad9f000 page 4k -] kernel direct mapping tables up to dad9f000 @ 1fffc000-20000000 +] kernel direct mapping tables up to dad9f000 @ 1fffa000-20000000 ] init_memory_mapping: 0000000100000000-0000000118000000 ] 0100000000 - 0118000000 page 2M -] kernel direct mapping tables up to 118000000 @ dad9e000-dad9f000 +] kernel direct mapping tables up to 118000000 @ dad99000-dad9f000 ] ACPI: RSDP 00000000000f0410 00024 (v02 _ASUS_) ] ACPI: XSDT 00000000daea9e18 00064 (v01 _ASUS_ Notebook 06222004 MSFT 00010013) ] ACPI: FACP 00000000daea3d98 000F4 (v04 _ASUS_ _ASUS_ 06222004 MSFT 00010013) @@ -161,29 +161,28 @@ ] PM: Registered nosave memory: 00000000ffe00000 - 0000000100000000 ] Allocating PCI resources starting at e0000000 (gap: e0000000:18000000) ] setup_percpu: NR_CPUS:4 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 -] PERCPU: Embedded 25 pages/cpu @ffff880117c00000 s70592 r8192 d23616 u524288 -] pcpu-alloc: s70592 r8192 d23616 u524288 alloc=1*2097152 +] PERCPU: Embedded 24 pages/cpu @ffff880117c00000 s69120 r8192 d20992 u524288 +] pcpu-alloc: s69120 r8192 d20992 u524288 alloc=1*2097152 ] pcpu-alloc: [0] 0 1 2 3 ] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 976677 -] Kernel command line: BOOT_IMAGE=Test ro root=801 rootfstype=ext3 +] Kernel command line: auto BOOT_IMAGE=Default ro root=801 rootfstype=ext3 ] PID hash table entries: 4096 (order: 3, 32768 bytes) ] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) ] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) ] Checking aperture... ] No AGP bridge found -] Memory: 3835400k/4587520k available (3889k kernel code, 609112k absent, 143008k reserved, 2013k data, 436k init) +] Memory: 3835304k/4587520k available (3901k kernel code, 609112k absent, 143104k reserved, 2107k data, 428k init) ] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 ] Hierarchical RCU implementation. ] CONFIG_RCU_FANOUT set to non-default value of 32 -] NR_IRQS:4352 nr_irqs:712 16 +] NR_IRQS:384 ] Extended CMOS year: 2000 ] Console: colour VGA+ 80x25 ] console [tty0] enabled ] hpet clockevent registered ] Fast TSC calibration using PIT -] spurious 8259A interrupt: IRQ7. -] Detected 1330.065 MHz processor. -] Calibrating delay loop (skipped), value calculated using timer frequency.. 2660.13 BogoMIPS (lpj=5320260) +] Detected 1329.751 MHz processor. +] Calibrating delay loop (skipped), value calculated using timer frequency.. 2659.50 BogoMIPS (lpj=5319004) ] pid_max: default: 32768 minimum: 301 ] Mount-cache hash table entries: 256 ] CPU: Physical Processor ID: 0 @@ -209,7 +208,7 @@ ] #3 Ok. ] smpboot cpu 3: start_ip = 96000 ] Brought up 4 CPUs -] Total of 4 processors activated (10640.52 BogoMIPS). +] Total of 4 processors activated (10639.33 BogoMIPS). ] PM: Registering ACPI NVS region at dad9f000 (552960 bytes) ] PM: Registering ACPI NVS region at dae37000 (90112 bytes) ] PM: Registering ACPI NVS region at dae77000 (69632 bytes) @@ -366,6 +365,10 @@ ] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 ] hpet0: 8 comparators, 64-bit 14.318180 MHz counter ] Switching to clocksource hpet +] Switched to NOHz mode on CPU #0 +] Switched to NOHz mode on CPU #2 +] Switched to NOHz mode on CPU #1 +] Switched to NOHz mode on CPU #3 ] pnp: PnP ACPI init ] ACPI: bus type pnp registered ] pnp 00:00: [bus 00-3e] @@ -514,10 +517,10 @@ ] pci 0000:00:02.0: Boot video device ] PCI: CLS 64 bytes, default 64 ] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) -] Placing 64MB software IO TLB between ffff8800d6d9e000 - ffff8800dad9e000 -] software IO TLB at phys 0xd6d9e000 - 0xdad9e000 +] Placing 64MB software IO TLB between ffff8800d6d99000 - ffff8800dad99000 +] software IO TLB at phys 0xd6d99000 - 0xdad99000 ] Installing knfsd (copyright (C) 1996 o...@monad.swb.de). -] msgmni has been set to 7491 +] msgmni has been set to 7490 ] alg: No test for stdrng (krng) ] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) ] io scheduler noop registered @@ -528,6 +531,11 @@ ] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 ] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 ] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 +] Linux agpgart interface v0.103 +] agpgart-intel 0000:00:00.0: Intel HD Graphics Chipset +] agpgart-intel 0000:00:00.0: detected gtt size: 2097152K total, 262144K mappable +] agpgart-intel 0000:00:00.0: detected 32768K stolen memory +] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xe0000000 ] intel_idle: MWAIT substates: 0x1120 ] intel_idle: v0.4 model 0x25 ] intel_idle: lapic_timer_reliable_states 0xffffffff @@ -542,16 +550,11 @@ ] ACPI: Power Button [PWRF] ] ACPI: acpi_idle yielding to intel_idle ] thermal LNXTHERM:00: registered as thermal_zone0 -] ACPI: Thermal Zone [TZ00] (48 C) -] Linux agpgart interface v0.103 -] agpgart-intel 0000:00:00.0: Intel HD Graphics Chipset -] agpgart-intel 0000:00:00.0: detected gtt size: 2097152K total, 262144K mappable -] ACPI: Battery Slot [BAT0] (battery present) -] agpgart-intel 0000:00:00.0: detected 32768K stolen memory -] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xe0000000 +] ACPI: Thermal Zone [TZ00] (47 C) ] [drm] Initialized drm 1.1.0 20060810 ] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 ] i915 0000:00:02.0: setting latency timer to 64 +] ACPI: Battery Slot [BAT0] (battery present) ] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). ] [drm] Driver supports precise vblank timestamp query. ] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem @@ -621,7 +624,7 @@ ] Linux video capture interface: v2.00 ] usbcore: registered new interface driver uvcvideo ] USB Video Class driver (1.1.1) -] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.07 +] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.06 ] iTCO_wdt: Found a HM55 TCO device (Version=2, TCOBASE=0x0460) ] iTCO_wdt: initialized. heartbeat=30 sec (nowayout=0) ] iTCO_vendor_support: vendor-support=0 @@ -630,121 +633,116 @@ ] EFI Variables Facility v0.08 2004-May-17 ] usbcore: registered new interface driver usbhid ] usbhid: USB HID core driver +] mei 0000:00:16.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 +] mei 0000:00:16.0: setting latency timer to 64 ] intel ips 0000:00:1f.6: CPU TDP doesn't match expected value (found 11, expected 14) ] intel ips 0000:00:1f.6: PCI INT C -> GSI 18 (level, low) -> IRQ 18 ] intel ips 0000:00:1f.6: IPS driver initialized, MCP temp limit 90 ] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22 ] snd_hda_intel 0000:00:1b.0: setting latency timer to 64 -] Refined TSC clocksource calibration: 1329.999 MHz. +] Refined TSC clocksource calibration: 1330.001 MHz. ] Switching to clocksource tsc -] atkbd serio0: Failed to enable keyboard on isa0060/serio0 +] hda_codec: ALC269VB: BIOS auto-probing. +] HDMI status: Codec=3 Pin=5 Presence_Detect=0 ELD_Valid=0 ] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) ] ata2.00: ATA-8: SanDisk SSD P4 64GB, SSD 8.13, max UDMA/133 ] ata2.00: 125045424 sectors, multi 1: LBA48 +] atkbd serio0: Failed to enable keyboard on isa0060/serio0 ] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input5 ] ata2.00: configured for UDMA/133 ] scsi 1:0:0:0: Direct-Access ATA SanDisk SSD P4 6 SSD PQ: 0 ANSI: 5 +] usb 1-1: new high speed USB device number 2 using ehci_hcd ] sd 1:0:0:0: [sda] 125045424 512-byte logical blocks: (64.0 GB/59.6 GiB) ] sd 1:0:0:0: [sda] Write Protect is off ] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00 ] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA -] usb 1-1: new high-speed USB device number 2 using ehci_hcd ] sda: sda1 sda2 sda3 sda4 sda5 sda6 ] sd 1:0:0:0: [sda] Attached SCSI disk ] hub 1-1:1.0: USB hub found ] hub 1-1:1.0: 6 ports detected -] usb 2-1: new high-speed USB device number 2 using ehci_hcd +] usb 2-1: new high speed USB device number 2 using ehci_hcd ] hub 2-1:1.0: USB hub found ] hub 2-1:1.0: 8 ports detected -] usb 1-1.1: new high-speed USB device number 3 using ehci_hcd +] usb 1-1.1: new high speed USB device number 3 using ehci_hcd ] uvcvideo: Found UVC 1.00 device USB 2.0 Camera (13d3:5122) ] input: USB 2.0 Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input6 -] usb 1-1.4: new full-speed USB device number 4 using ehci_hcd -] HDMI status: Codec=3 Pin=5 Presence_Detect=0 ELD_Valid=0 +] usb 1-1.4: new full speed USB device number 4 using ehci_hcd +] usb 2-1.2: new full speed USB device number 3 using ehci_hcd ] usbcore: registered new interface driver snd-usb-audio ] ALSA device list: ] #0: HDA Intel at 0xf2c00000 irq 22 -] usb 2-1.2: new full-speed USB device number 3 using ehci_hcd ] IPv4 over IPv4 tunneling driver ] TCP cubic registered ] NET: Registered protocol family 17 ] lib80211: common routines for IEEE802.11 drivers ] lib80211_crypt: registered algorithm 'NULL' ] PM: Hibernation image not present or could not be loaded. -] rtc_cmos 00:06: setting system clock to 2011-11-04 21:57:59 UTC (1320443879) +] rtc_cmos 00:06: setting system clock to 2011-11-04 21:58:46 UTC (1320443926) ] kjournald starting. Commit interval 5 seconds ] EXT3-fs (sda1): mounted filesystem with ordered data mode ] VFS: Mounted root (ext3 filesystem) readonly on device 8:1. -] Freeing unused kernel memory: 436k freed +] Freeing unused kernel memory: 428k freed ] usb 2-1.2: not running at top speed; connect to a high speed hub ] hub 2-1.2:1.0: USB hub found ] hub 2-1.2:1.0: 4 ports detected -] usb 2-1.3: new full-speed USB device number 4 using ehci_hcd -] usb 2-1.4: new full-speed USB device number 5 using ehci_hcd -] udev[1132]: starting version 164 -] usb 2-1.2.1: new low-speed USB device number 6 using ehci_hcd -] cfg80211: Calling CRDA to update world regulatory domain -] input: Wacom ISDv4 90 Pen as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/input/input7 -] usbcore: registered new interface driver wacom -] wacom: v1.53:USB Wacom tablet driver +] usb 2-1.3: new full speed USB device number 4 using ehci_hcd +] usb 2-1.4: new full speed USB device number 5 using ehci_hcd +] udev[1133]: starting version 164 +] usb 2-1.2.1: new low speed USB device number 6 using ehci_hcd +] input: eGalax_eMPIA Technology Inc. PCAP MultiTouch Controller as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/input/input7 +] hid-multitouch 0003:0EEF:A001.0001: input,hiddev0,hidraw0: USB HID v2.10 Pointer [eGalax_eMPIA Technology Inc. PCAP MultiTouch Controller] on usb-0000:00:1d.0-1.4/input0 ] Bluetooth: Core ver 2.16 ] NET: Registered protocol family 31 ] Bluetooth: HCI device and connection manager initialized ] Bluetooth: HCI socket layer initialized ] Bluetooth: L2CAP socket layer initialized +] cfg80211: Calling CRDA to update world regulatory domain ] Bluetooth: Generic Bluetooth USB driver ver 0.6 ] usbcore: registered new interface driver btusb +] input: Wacom ISDv4 90 Pen as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/input/input8 +] usbcore: registered new interface driver wacom +] wacom: v1.52:USB Wacom tablet driver +] Bluetooth: Atheros AR30xx firmware driver ver 1.0 ] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 ] ath9k 0000:03:00.0: setting latency timer to 64 ] asus_wmi: ASUS WMI generic driver loaded ] asus_wmi: Initialization: 0x0 ] asus_wmi: BIOS WMI version: 0.9 ] asus_wmi: SFUN value: 0x20 -] input: Eee PC WMI hotkeys as /devices/platform/eeepc-wmi/input/input8 +] input: Eee PC WMI hotkeys as /devices/platform/eeepc-wmi/input/input9 +] input: Chicony USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.0/input/input10 +] generic-usb 0003:04F2:0408.0002: input,hidraw1: USB HID v1.11 Keyboard [Chicony USB Keyboard] on usb-0000:00:1d.0-1.2.1/input0 ] asus_wmi: Backlight controlled by ACPI video driver +] input: Chicony USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.1/input/input11 +] generic-usb 0003:04F2:0408.0003: input,hiddev0,hidraw2: USB HID v1.11 Device [Chicony USB Keyboard] on usb-0000:00:1d.0-1.2.1/input1 ] ath: EEPROM regdomain: 0x60 ] ath: EEPROM indicates we should expect a direct regpair map ] ath: Country alpha2 being used: 00 ] ath: Regpair used: 0x60 ] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' ] Registered led device: ath9k-phy0 -] ieee80211 phy0: Atheros AR9285 Rev:2 mem=0xffffc90014960000, irq=17 -] input: Chicony USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.0/input/input9 -] generic-usb 0003:04F2:0408.0002: input,hidraw0: USB HID v1.11 Keyboard [Chicony USB Keyboard] on usb-0000:00:1d.0-1.2.1/input0 -] input: Chicony USB Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.1/2-1.2.1:1.1/input/input10 -] generic-usb 0003:04F2:0408.0003: input,hiddev0,hidraw1: USB HID v1.11 Device [Chicony USB Keyboard] on usb-0000:00:1d.0-1.2.1/input1 -] usb 2-1.2.3: new low-speed USB device number 7 using ehci_hcd -] input: Genius 4D Scroll Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.3/2-1.2.3:1.0/input/input11 -] generic-usb 0003:0458:0056.0004: input,hidraw2: USB HID v1.10 Mouse [Genius 4D Scroll Mouse] on usb-0000:00:1d.0-1.2.3/input0 -] usb 2-1.2.4: new full-speed USB device number 8 using ehci_hcd +] ieee80211 phy0: Atheros AR9285 Rev:2 mem=0xffffc900048e0000, irq=17 +] usb 2-1.2.3: new low speed USB device number 7 using ehci_hcd +] input: Genius 4D Scroll Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2.3/2-1.2.3:1.0/input/input12 +] generic-usb 0003:0458:0056.0004: input,hidraw3: USB HID v1.10 Mouse [Genius 4D Scroll Mouse] on usb-0000:00:1d.0-1.2.3/input0 +] usbcore: registered new interface driver ath3k +] usb 2-1.2.4: new full speed USB device number 8 using ehci_hcd ] usb 2-1.2.4: not running at top speed; connect to a high speed hub ] scsi4 : usb-storage 2-1.2.4:1.0 +] usb 1-1.4: USB disconnect, device number 4 ] scsi 4:0:0:0: Direct-Access WD 3200BEV External 1.75 PQ: 0 ANSI: 4 -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue ] sd 4:0:0:0: [sdb] 625142448 512-byte logical blocks: (320 GB/298 GiB) -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue ] sd 4:0:0:0: [sdb] Write Protect is off ] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00 -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue ] sd 4:0:0:0: [sdb] No Caching mode page present ] sd 4:0:0:0: [sdb] Assuming drive cache: write through -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue -] scsi: killing requests for dead queue ] sd 4:0:0:0: [sdb] No Caching mode page present ] sd 4:0:0:0: [sdb] Assuming drive cache: write through ] sdb: sdb1 ] sd 4:0:0:0: [sdb] No Caching mode page present ] sd 4:0:0:0: [sdb] Assuming drive cache: write through ] sd 4:0:0:0: [sdb] Attached SCSI disk +] usb 1-1.4: new full speed USB device number 5 using ehci_hcd ] EXT3-fs (sda1): using internal journal ] kjournald starting. Commit interval 5 seconds ] EXT3-fs (sda3): using internal journal
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