Public bug reported:
ATI FirePro 8800
4 monitors (2x Dell / 2x Asus VS278Q-P)
After upgrading to 16.04, my ASUS monitors go blank. They receive no signal.
The Dell monitors keep working fine.
Setting `nomodeset` in grub returns the signal to the Asus monitor. Proof that
monitor and cable is working fine, but nomodeset is not an acceptable work
around. The monitor is also showing a picture during the BIOS boot phase.
lsb_release -rd
Description: Ubuntu 16.04 LTS
uname -r
4.4.0-21-generic
xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x59 cap: 0x9, Source Output, Sink Offload crtcs: 6 outputs: 4
associated providers: 0 name:ATI FirePro (FireGL) Graphics Adapter @
pci:0000:85:00.0
sudo lshw -c video
[sudo] password for fhanik:
*-display
description: VGA compatible controller
product: Cypress XT [FirePro V8800]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:85:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:35 memory:d0000000-dfffffff memory:fafe0000-faffffff
ioport:e000(size=256) memory:fafc0000-fafdffff
dmesg |egrep "radeon|drm"
[ 1.436927] [drm] Initialized drm 1.1.0 20060810
[ 1.475734] [drm] radeon kernel modesetting enabled.
[ 1.497665] [drm] initializing kernel modesetting (CYPRESS 0x1002:0x6888
0x1002:0x030C).
[ 1.497759] [drm] register mmio base: 0xFAFE0000
[ 1.497806] [drm] register mmio size: 131072
[ 1.498906] radeon 0000:85:00.0: VRAM: 2048M 0x0000000000000000 -
0x000000007FFFFFFF (2048M used)
[ 1.498970] radeon 0000:85:00.0: GTT: 1024M 0x0000000080000000 -
0x00000000BFFFFFFF
[ 1.499031] [drm] Detected VRAM RAM=2048M, BAR=256M
[ 1.499077] [drm] RAM width 256bits DDR
[ 1.499465] [drm] radeon: 2048M of VRAM memory ready
[ 1.499511] [drm] radeon: 1024M of GTT memory ready.
[ 1.499567] [drm] Loading CYPRESS Microcode
[ 1.499668] [drm] Internal thermal controller with fan control
[ 1.544431] [drm] radeon: dpm initialized
[ 1.544540] [drm] GART: num cpu pages 262144, num gpu pages 262144
[ 1.545394] [drm] enabling PCIE gen 2 link speeds, disable with
radeon.pcie_gen2=0
[ 1.558898] [drm] PCIE GART of 1024M enabled (table at 0x000000000025E000).
[ 1.559076] radeon 0000:85:00.0: WB enabled
[ 1.559122] radeon 0000:85:00.0: fence driver on ring 0 use gpu addr
0x0000000080000c00 and cpu addr 0xffff88120f7fbc00
[ 1.559188] radeon 0000:85:00.0: fence driver on ring 3 use gpu addr
0x0000000080000c0c and cpu addr 0xffff88120f7fbc0c
[ 1.560094] radeon 0000:85:00.0: fence driver on ring 5 use gpu addr
0x000000000005c418 and cpu addr 0xffffc9000d41c418
[ 1.560161] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 1.560208] [drm] Driver supports precise vblank timestamp query.
[ 1.560256] radeon 0000:85:00.0: radeon: MSI limited to 32-bit
[ 1.560351] radeon 0000:85:00.0: radeon: using MSI.
[ 1.560423] [drm] radeon: irq initialized.
[ 1.577213] [drm] ring test on 0 succeeded in 1 usecs
[ 1.577265] [drm] ring test on 3 succeeded in 2 usecs
[ 1.752979] [drm] ring test on 5 succeeded in 1 usecs
[ 1.753029] [drm] UVD initialized successfully.
[ 1.753352] [drm] ib test on ring 0 succeeded in 0 usecs
[ 1.753428] [drm] ib test on ring 3 succeeded in 0 usecs
[ 2.401885] [drm] ib test on ring 5 succeeded
[ 2.405452] [drm] Radeon Display Connectors
[ 2.405498] [drm] Connector 0:
[ 2.405540] [drm] DP-1
[ 2.405581] [drm] HPD3
[ 2.405633] [drm] DDC: 0x6480 0x6480 0x6484 0x6484 0x6488 0x6488 0x648c
0x648c
[ 2.405693] [drm] Encoders:
[ 2.405734] [drm] DFP1: INTERNAL_UNIPHY2
[ 2.405778] [drm] Connector 1:
[ 2.405820] [drm] DP-2
[ 2.405861] [drm] HPD4
[ 2.407489] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c
0x647c
[ 2.407549] [drm] Encoders:
[ 2.407591] [drm] DFP2: INTERNAL_UNIPHY2
[ 2.407634] [drm] Connector 2:
[ 2.407676] [drm] DP-3
[ 2.407717] [drm] HPD1
[ 2.407758] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c
0x645c
[ 2.407817] [drm] Encoders:
[ 2.407859] [drm] DFP3: INTERNAL_UNIPHY1
[ 2.407903] [drm] Connector 3:
[ 2.407944] [drm] DP-4
[ 2.407985] [drm] HPD2
[ 2.408027] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c
0x646c
[ 2.408086] [drm] Encoders:
[ 2.408128] [drm] DFP4: INTERNAL_UNIPHY1
[ 2.515624] [drm] fb mappable at 0xD045F000
[ 2.515673] [drm] vram apper at 0xD0000000
[ 2.515719] [drm] size 8294400
[ 2.515763] [drm] fb depth is 24
[ 2.515808] [drm] pitch is 7680
[ 2.516043] fbcon: radeondrmfb (fb0) is primary device
[ 2.641273] radeon 0000:85:00.0: fb0: radeondrmfb frame buffer device
[ 2.653724] [drm] Initialized radeon 2.43.0 20080528 for 0000:85:00.0 on
minor 0
[ 5.421162] Modules linked in: soundcore ioatdma(+) edac_core(+) shpchp
lpc_ich floppy(+) 8250_fintek tpm_infineon mac_hid binfmt_misc parport_pc ppdev
sunrpc lp parport autofs4 hid_microsoft pata_acpi hid_generic usbhid hid amdkfd
amd_iommu_v2 radeon ttm drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops psmouse drm firewire_ohci igb ahci firewire_core libahci dca
crc_itu_t ptp pata_jmicron pps_core 3w_sas i2c_algo_bit fjes
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: 16.04 asus lts no signal
** Attachment added: "asus-radeon-problem.txt"
https://bugs.launchpad.net/bugs/1573339/+attachment/4642228/+files/asus-radeon-problem.txt
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https://bugs.launchpad.net/bugs/1573339
Title:
Asus VS278Q-P Receives no signal after upgrade to 16.04
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