[Bug 215590] kernel panic trying to restart DVD playback on wakeup from suspend
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Mon Dec 26 21:53:45 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215590
Bug ID: 215590
Summary: kernel panic trying to restart DVD playback on wakeup
from suspend
Product: Base System
Version: 11.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs at FreeBSD.org
Reporter: kumba at gentoo.org
CC: freebsd-amd64 at FreeBSD.org
CC: freebsd-amd64 at FreeBSD.org
Created attachment 178301
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=178301&action=edit
Custom kernel config for FreeBSD 11.0-RELEASE-p6
Hi again! I found another kernel panic situation when playing DVD's, kinda
similar to the one I detailed in #214705. This one is more subtle, however, as
it appears to be triggered by something in the amd64 trampoline code when
attempting to restart DVD playback after resuming from a suspend that was done
while the DVD was playing. The issue is triggered on a custom kernel that is
basically just GENERIC with some unneeded devices/options removed to cut the
kernel image's size down. I'll attach my config to this bug.
Panic message:
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x8
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff802ae88f
stack pointer = 0x28:0xfffffe01d99b8910
frame pointer = 0x28:0xfffffe01d99b8920
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 12 (irq259: ahci0:ch1)
trap number = 12
panic: page fault
cpuid = 1
KDB: stack backtrace:
#0 0xffffffff806e4b07 at kdb_backtrace+0x67
#1 0xffffffff80699e72 at vpanic+0x182
#2 0xffffffff80699ce3 at panic+0x43
#3 0xffffffff80a1c711 at trap_fatal+0x351
#4 0xffffffff80a1c903 at trap_pfault+0x1e3
#5 0xffffffff80a1beac at trap+0x26c
#6 0xffffffff80a00c61 at calltrap+0x8
#7 0xffffffff802ac92c at camperiphdone+0x1bc
#8 0xffffffff802b46f7 at xpt_done_process+0x807
#9 0xffffffff802b3edf at xpt_done_direct+0x3f
#10 0xffffffff80361dc5 at ahci_ch_intr_direct+0x155
#11 0xffffffff8036082d at ahci_intr_one+0x2d
#12 0xffffffff80653e9f at intr_event_execute_handlers+0x20f
#13 0xffffffff80654106 at ithread_loop+0xc6
#14 0xffffffff80650ae5 at fork_exit+0x85
#15 0xffffffff80a0119e at fork_trampoline+0xe
Uptime: 2h10m43s
Dumping 573 out of 7757 MB:..3%..12%..23%..31%..42%..51%..62%..73%..81%..93%
KGDB backtrace:
Reading symbols from /boot/kernel.custom/zfs.ko...done.
Loaded symbols for /boot/kernel.custom/zfs.ko
Reading symbols from /boot/kernel.custom/opensolaris.ko...done.
Loaded symbols for /boot/kernel.custom/opensolaris.ko
Reading symbols from /boot/kernel.custom/amdtemp.ko...done.
Loaded symbols for /boot/kernel.custom/amdtemp.ko
Reading symbols from /boot/kernel.custom/tmpfs.ko...done.
Loaded symbols for /boot/kernel.custom/tmpfs.ko
Reading symbols from /boot/kernel.custom/linprocfs.ko...done.
Loaded symbols for /boot/kernel.custom/linprocfs.ko
Reading symbols from /boot/kernel.custom/linux_common.ko...done.
Loaded symbols for /boot/kernel.custom/linux_common.ko
Reading symbols from /boot/kernel.custom/wlan_wep.ko...done.
Loaded symbols for /boot/kernel.custom/wlan_wep.ko
Reading symbols from /boot/kernel.custom/ums.ko...done.
Loaded symbols for /boot/kernel.custom/ums.ko
Reading symbols from /boot/kernel.custom/ipfw.ko...done.
Loaded symbols for /boot/kernel.custom/ipfw.ko
Reading symbols from /boot/kernel.custom/linux.ko...done.
Loaded symbols for /boot/kernel.custom/linux.ko
Reading symbols from /boot/kernel.custom/linux64.ko...done.
Loaded symbols for /boot/kernel.custom/linux64.ko
Reading symbols from /boot/kernel.custom/fdescfs.ko...done.
Loaded symbols for /boot/kernel.custom/fdescfs.ko
Reading symbols from /boot/kernel.custom/radeonkms.ko...done.
Loaded symbols for /boot/kernel.custom/radeonkms.ko
Reading symbols from /boot/kernel.custom/drm2.ko...done.
Loaded symbols for /boot/kernel.custom/drm2.ko
Reading symbols from /boot/kernel.custom/iicbus.ko...done.
Loaded symbols for /boot/kernel.custom/iicbus.ko
Reading symbols from /boot/kernel.custom/iic.ko...done.
Loaded symbols for /boot/kernel.custom/iic.ko
Reading symbols from /boot/kernel.custom/iicbb.ko...done.
Loaded symbols for /boot/kernel.custom/iicbb.ko
Reading symbols from /boot/kernel.custom/radeonkmsfw_PALM_pfp.ko...done.
Loaded symbols for /boot/kernel.custom/radeonkmsfw_PALM_pfp.ko
Reading symbols from /boot/kernel.custom/radeonkmsfw_PALM_me.ko...done.
Loaded symbols for /boot/kernel.custom/radeonkmsfw_PALM_me.ko
Reading symbols from /boot/kernel.custom/radeonkmsfw_SUMO_rlc.ko...done.
Loaded symbols for /boot/kernel.custom/radeonkmsfw_SUMO_rlc.ko
Reading symbols from /boot/kernel.custom/udf.ko...done.
Loaded symbols for /boot/kernel.custom/udf.ko
Reading symbols from /boot/kernel.custom/autofs.ko...done.
Loaded symbols for /boot/kernel.custom/autofs.ko
#0 doadump (textdump=<value optimized out>) at pcpu.h:221
221 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump (textdump=<value optimized out>) at pcpu.h:221
#1 0xffffffff806998f9 in kern_reboot (howto=260)
at ../../../kern/kern_shutdown.c:366
#2 0xffffffff80699eab in vpanic (fmt=<value optimized out>,
ap=<value optimized out>) at ../../../kern/kern_shutdown.c:759
#3 0xffffffff80699ce3 in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:690
#4 0xffffffff80a1c711 in trap_fatal (frame=0xfffffe01d99b8860, eva=8)
at ../../../amd64/amd64/trap.c:841
#5 0xffffffff80a1c903 in trap_pfault (frame=0xfffffe01d99b8860, usermode=0)
at ../../../amd64/amd64/trap.c:691
#6 0xffffffff80a1beac in trap (frame=0xfffffe01d99b8860)
at ../../../amd64/amd64/trap.c:442
#7 0xffffffff80a00c61 in calltrap () at ../../../amd64/amd64/exception.S:236
#8 0xffffffff802ae88f in xpt_action (start_ccb=0xfffff801117d9800)
at ../../../cam/cam_xpt.c:2463
#9 0xffffffff802ac92c in camperiphdone (periph=<value optimized out>,
done_ccb=0xfffff801117d9800) at ../../../cam/cam_periph.c:1230
#10 0xffffffff802b46f7 in xpt_done_process (ccb_h=0xfffff801117d9800)
at ../../../cam/cam_xpt.c:5275
#11 0xffffffff802b3edf in xpt_done_direct (done_ccb=0xfffff801117d9800)
at ../../../cam/cam_xpt.c:4495
#12 0xffffffff80361dc5 in ahci_ch_intr_direct (arg=<value optimized out>)
at ../../../dev/ahci/ahci.c:1203
---Type <return> to continue, or q <return> to quit---
#13 0xffffffff8036082d in ahci_intr_one (data=<value optimized out>)
at ../../../dev/ahci/ahci.c:502
#14 0xffffffff80653e9f in intr_event_execute_handlers (
p=<value optimized out>, ie=<value optimized out>)
at ../../../kern/kern_intr.c:1262
#15 0xffffffff80654106 in ithread_loop (arg=<value optimized out>)
at ../../../kern/kern_intr.c:1275
#16 0xffffffff80650ae5 in fork_exit (
callout=0xffffffff80654040 <ithread_loop>, arg=0xfffff800042e7c20,
frame=0xfffffe01d99b8c00) at ../../../kern/kern_fork.c:1038
#17 0xffffffff80a0119e in fork_trampoline ()
at ../../../amd64/amd64/exception.S:611
#18 0x0000000000000000 in ?? ()
Current language: auto; currently minimal
(kgdb)
Steps to reproduce:
1. Insert DVD.
2. Unmount auto-mounted instance from /media.
3. Launch VLC and "Play Disc".
4. Start playing the disc.
5. Puse playback and close the lid on the laptop to put it into suspend.
6. Wait a few seconds until it is fully in suspend, then open the laptop lid.
7. Wait for the auto-mounter to re-mount the DVD (icon appears on the desktop).
8. Restart playback in VLC while the DVD is auto-mounted to /media.
9. Bada-boom!
I have not tried this on a GENERIC kernel yet, as part of the reproduction
steps requires playing the DVD while it is auto-mounted to /media, and this
might trip up the bug described in #214705, as I haven't seen an updated
GENERIC kernel come down the pipe yet that contains the fix for that. My
custom kernel patches that issue locally for now.
The hardware in question is an HP 2000-2b19wm notebook. I can provide
additional information if needed to troubleshoot this issue.
dmesg:
# dmesg
Copyright (c) 1992-2016 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 11.0-RELEASE-p6 #3: Fri Dec 23 12:28:48 EST 2016
root at himring:/usr/src/sys/amd64/compile/CUSTOM-11.0 amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM
3.8.0)
VT(efifb): resolution 1366x768
CPU: AMD E-300 APU with Radeon(tm) HD Graphics (1297.67-MHz K8-class CPU)
Origin="AuthenticAMD" Id=0x500f20 Family=0x14 Model=0x2 Stepping=0
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x802209<SSE3,MON,SSSE3,CX16,POPCNT>
AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM>
AMD
Features2=0x35ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,IBS,SKINIT,WDT>
SVM: NP,NRIP,NAsids=8
TSC: P-state invariant, performance statistics
real memory = 8589934592 (8192 MB)
avail memory = 7858003968 (7493 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <HPQOEM 188B >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s)
random: unblocking device.
ioapic0: Changing APIC ID to 4
ioapic0 <Version 2.1> irqs 0-23 on motherboard
random: entropy device external interface
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80a38130, 0) error 19
kbd1 at kbdmux0
cryptosoft0: <software crypto> on motherboard
acpi0: <HPQOEM SLIC-MPC> on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff irq 0,8 on
acpi0
Timecounter "HPET" frequency 14318180 Hz quality 950
atrtc0: <AT realtime clock> port 0x70-0x71 on acpi0
Event timer "RTC" frequency 32768 Hz quality 0
attimer0: <AT timer> port 0x40-0x43 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: <32-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x3> port 0x62,0x66 on acpi0
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pcib0: _OSC returned error 0x10
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x3000-0x30ff mem
0xe0000000-0xefffffff,0xf0400000-0xf043ffff irq 18 at device 1.0 on pci0
vgapci0: Boot video device
hdac0: <ATI (0x1314) HDA Controller> mem 0xf0444000-0xf0447fff irq 19 at device
1.1 on pci0
pcib1: <ACPI PCI-PCI bridge> irq 19 at device 7.0 on pci0
pcib1: [GIANT-LOCKED]
ahci0: <AMD Hudson-2 AHCI SATA controller> port
0x3118-0x311f,0x3124-0x3127,0x3110-0x3117,0x3120-0x3123,0x3100-0x310f mem
0xf044c000-0xf044c7ff irq 19 at device 17.0 on pci0
ahci0: AHCI v1.30 with 2 6Gbps ports, Port Multiplier supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ohci0: <AMD FCH USB Controller> mem 0xf044b000-0xf044bfff irq 18 at device 18.0
on pci0
usbus0 on ohci0
ehci0: <AMD FCH USB 2.0 controller> mem 0xf044a000-0xf044a0ff irq 17 at device
18.2 on pci0
usbus1: EHCI version 1.0
usbus1 on ehci0
ohci1: <AMD FCH USB Controller> mem 0xf0449000-0xf0449fff irq 18 at device 19.0
on pci0
usbus2 on ohci1
ehci1: <AMD FCH USB 2.0 controller> mem 0xf0448000-0xf04480ff irq 17 at device
19.2 on pci0
usbus3: EHCI version 1.0
usbus3 on ehci1
hdac1: <AMD Hudson-2 HDA Controller> mem 0xf0440000-0xf0443fff irq 16 at device
20.2 on pci0
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib2: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci1: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 21.0 on pci0
pci2: <ACPI PCI bus> on pcib3
re0: <RealTek 810xE PCIe 10/100baseTX> port 0x2000-0x20ff mem
0xf0004000-0xf0004fff,0xf0000000-0xf0003fff irq 16 at device 0.0 on pci2
re0: Using 1 MSI-X message
re0: ASPM disabled
re0: Chip rev. 0x40800000
re0: MAC rev. 0x00400000
miibus0: <MII bus> on re0
rlphy0: <RTL8201E 10/100 media interface> PHY 1 on miibus0
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto, auto-flow
re0: Using defaults for TSO: 65518/35/2048
re0: Ethernet address: d8:9d:67:7f:ca:7e
re0: netmap queues/slots: TX 1/256, RX 1/256
pcib4: <ACPI PCI-PCI bridge> at device 21.1 on pci0
pci3: <ACPI PCI bus> on pcib4
ath0: <Atheros AR9485> mem 0xf0200000-0xf027ffff irq 17 at device 0.0 on pci3
ar9300_attach: calling ar9300_hw_attach
ar9300_hw_attach: calling ar9300_eeprom_attach
ar9300_flash_map: unimplemented for now
Restoring Cal data from DRAM
Restoring Cal data from EEPROM
Restoring Cal data from Flash
Restoring Cal data from Flash
Restoring Cal data from OTP
ar9300_hw_attach: ar9300_eeprom_attach returned 0
ath0: [HT] enabling HT modes
ath0: [HT] enabling short-GI in 20MHz mode
ath0: [HT] 1 stream STBC receive enabled
ath0: [HT] 1 RX streams; 1 TX streams
ath0: AR9485 mac 576.1 RF5110 phy 2457.9
ath0: 2GHz radio: 0x0000; 5GHz radio: 0x0000
pcib5: <ACPI PCI-PCI bridge> at device 21.2 on pci0
pci4: <ACPI PCI bus> on pcib5
pci4: <unknown> at device 0.0 (no driver attached)
amdtemp0: <AMD CPU On-Die Thermal Sensors> on hostb4
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_tz0: <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 Synaptics Touchpad, device ID 3
ppc0: cannot reserve I/O port range
hwpstate0: <Cool`n'Quiet 2.0> on cpu0
usbus0: 12Mbps Full Speed USB v1.0
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 1.000 msec
hdacc0: <ATI R6xx HDA CODEC> at cad 0 on hdac0
hdaa0: <ATI R6xx Audio Function Group> at nid 1 on hdacc0
pcm0: <ATI R6xx (HDMI)> at nid 3 on hdaa0
hdacc1: <Realtek ALC269 HDA CODEC> at cad 0 on hdac1
hdaa1: <Realtek ALC269 Audio Function Group> at nid 1 on hdacc1
pcm1: <Realtek ALC269 (Analog 2.0+HP/2.0)> at nid 20,21 and 24 on hdaa1
pcm2: <Realtek ALC269 (Onboard Analog Mic)> at nid 18 on hdaa1
usbus1: 480Mbps High Speed USB v2.0
ugen0.1: <AMD> at usbus0
uhub0: <AMD OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <AMD> at usbus1
uhub1: <AMD EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 480Mbps High Speed USB v2.0
ugen2.1: <AMD> at usbus2
uhub2: <AMD OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <AMD> at usbus3
uhub3: <AMD EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
uhub0: 5 ports with 5 removable, self powered
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <ST500LM030-1RK17D SDM1> ACS-3 ATA SATA 3.x device
ada0: Serial Number WES1J9DD
ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
uhub2: 5 ports with 5 removable, self powered
ada0: 476940MB (976773168 512 byte sectors)
cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
cd0: <hp CDDVDW SN-208DB HH01> Removable CD-ROM SCSI device
cd0: Serial Number R8Y66GLD1005Z2
cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes)
cd0: 6031MB (3088160 2048 byte sectors)
SMP: AP CPU #1 Launched!
Timecounter "TSC" frequency 1297668517 Hz quality 800
Trying to mount root from zfs:core/env/fbsd-20161216 []...
uhub1: 5 ports with 5 removable, self powered
uhub3: 5 ports with 5 removable, self powered
ugen3.2: <Chicony Electronics Co.,Ltd.> at usbus3
ugen0.2: <vendor 0x04f3> at usbus0
wlan0: Ethernet address: 20:16:d8:c9:e0:eb
re0: link state changed to DOWN
wlan0: link state changed to UP
ums0: <vendor 0x04f3 2.4G Wireless Mouse, class 0/0, rev 1.10/9.01, addr 2> on
usbus0
ums0: 5 buttons and [XYZT] coordinates ID=1
ipfw2 (+ipv6) initialized, divert loadable, nat loadable, default to deny,
logging disabled
info: [drm] Initialized drm 1.1.0 20060810
drmn0: <Wrestler [Radeon HD 6310]> on vgapci0
info: [drm] RADEON_IS_PCIE
info: [drm] initializing kernel modesetting (PALM 0x1002:0x9802 0x103C:0x188B).
info: [drm] register mmio base: 0xF0400000
info: [drm] register mmio size: 262144
info: [drm] radeon_atrm_get_bios: ===> Try ATRM...
info: [drm] radeon_atrm_get_bios: IGP card detected, skipping this method...
info: [drm] radeon_acpi_vfct_bios: ===> Try VFCT...
info: [drm] radeon_acpi_vfct_bios: Get "VFCT" ACPI table
info: [drm] radeon_acpi_vfct_bios: Failed to get "VFCT" table: AE_NOT_FOUND
info: [drm] igp_read_bios_from_vram: ===> Try IGP's VRAM...
info: [drm] igp_read_bios_from_vram: VRAM base address: 0xe0000000
info: [drm] igp_read_bios_from_vram: Map address: 0xfffff800e0000000 (262144
bytes)
info: [drm] igp_read_bios_from_vram: Incorrect BIOS signature: 0x0000
info: [drm] radeon_read_bios: ===> Try PCI Expansion ROM...
info: [drm] radeon_read_bios: Map address: 0xfffff800000c0000 (131072 bytes)
info: [drm] ATOM BIOS: HP
drmn0: info: VRAM: 384M 0x0000000000000000 - 0x0000000017FFFFFF (384M used)
drmn0: info: GTT: 512M 0x0000000018000000 - 0x0000000037FFFFFF
info: [drm] Detected VRAM RAM=384M, BAR=256M
info: [drm] RAM width 32bits DDR
[TTM] Zone kernel: Available graphics memory: 3971636 kiB
[TTM] Zone dma32: Available graphics memory: 2097152 kiB
[TTM] Initializing pool allocator
info: [drm] radeon: 384M of VRAM memory ready
info: [drm] radeon: 512M of GTT memory ready.
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
info: [drm] MSI enabled 1 message(s)
drmn0: info: radeon: using MSI.
info: [drm] radeon: irq initialized.
info: [drm] GART: num cpu pages 131072, num gpu pages 131072
info: [drm] Loading PALM Microcode
info: [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
drmn0: info: WB enabled
drmn0: info: fence driver on ring 0 use gpu addr 0x0000000018000c00 and cpu
addr 0x0xfffff80018dfec00
drmn0: info: fence driver on ring 3 use gpu addr 0x0000000018000c0c and cpu
addr 0x0xfffff80018dfec0c
info: [drm] ring test on 0 succeeded in 1 usecs
info: [drm] ring test on 3 succeeded in 1 usecs
info: [drm] ib test on ring 0 succeeded in 0 usecs
info: [drm] ib test on ring 3 succeeded in 0 usecs
info: [drm] radeon_device_init: Taking over the fictitious range
0xe0000000-0xf0000000
iicbus0: <Philips I2C bus> on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
iicbus1: <Philips I2C bus> on iicbb1 addr 0x0
iic1: <I2C generic I/O> on iicbus1
iicbus2: <Philips I2C bus> on iicbb2 addr 0x0
iic2: <I2C generic I/O> on iicbus2
iicbus3: <Philips I2C bus> on iicbb3 addr 0x0
iic3: <I2C generic I/O> on iicbus3
iicbus4: <Philips I2C bus> on iicbb4 addr 0x0
iic4: <I2C generic I/O> on iicbus4
iicbus5: <Philips I2C bus> on iicbb5 addr 0x0
iic5: <I2C generic I/O> on iicbus5
iicbus6: <Philips I2C bus> on iicbb6 addr 0x0
iic6: <I2C generic I/O> on iicbus6
iicbus7: <Philips I2C bus> on iicbb7 addr 0x0
iic7: <I2C generic I/O> on iicbus7
info: [drm] Radeon Display Connectors
info: [drm] Connector 0:
info: [drm] LVDS-1
info: [drm] HPD1
info: [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c
info: [drm] Encoders:
info: [drm] LCD1: INTERNAL_UNIPHY
info: [drm] Connector 1:
info: [drm] HDMI-A-1
info: [drm] HPD2
info: [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c
info: [drm] Encoders:
info: [drm] DFP1: INTERNAL_UNIPHY
info: [drm] Connector 2:
info: [drm] VGA-1
info: [drm] DDC: 0x64d8 0x64d8 0x64dc 0x64dc 0x64e0 0x64e0 0x64e4 0x64e4
info: [drm] Encoders:
info: [drm] CRT1: INTERNAL_KLDSCP_DAC1
info: [drm] Internal thermal controller without fan control
info: [drm] radeon: power management initialized
info: [drm] Connector LVDS-1: get mode from tunables:
info: [drm] - kern.vt.fb.modes.LVDS-1
info: [drm] - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-1: get mode from tunables:
info: [drm] - kern.vt.fb.modes.HDMI-A-1
info: [drm] - kern.vt.fb.default_mode
info: [drm] Connector VGA-1: get mode from tunables:
info: [drm] - kern.vt.fb.modes.VGA-1
info: [drm] - kern.vt.fb.default_mode
info: [drm] fb mappable at 0xE0142000
info: [drm] vram apper at 0xE0000000
info: [drm] size 4325376
info: [drm] fb depth is 24
info: [drm] pitch is 5632
fbd0 on drmn0
VT: Replacing driver "efifb" with new "fb".
error: [drm:pid1023:radeon_acpi_init] *ERROR* Cannot find a backlight
controller
info: [drm] Initialized radeon 2.29.0 20080528 for drmn0 on minor 0
WARNING pid 1264 (python2.7): ioctl sign-extension ioctl ffffffff80087467
WARNING pid 1267 (python2.7): ioctl sign-extension ioctl ffffffff80087467
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