On Sat, Oct 19, 2019 at 01:44:32PM +0200, Federico Giannici wrote: > Today I switched my desktop PC, with Xfce, to OpenBSD amd64 6.6. > > Since the upgrade the display started to flickers. It seems to me that the > desktop background flashes over the various windows. > > I vaguely remember that i read something about this problem in a message in > these mailings a couple months ago, with someone suggesting a solution. I > searched these mailing archives but I wasn't able to find that message. > > Someone can direct me to the suggested solution? > > Thanks. > > P.S. > Here is the dmesg:
I am also seeing this. It could be related to radeondrm since we are both using it. OpenBSD 6.6 (GENERIC.MP) #372: Sat Oct 12 10:56:27 MDT 2019 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 4008247296 (3822MB) avail mem = 3874066432 (3694MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.5 @ 0x9f800 (50 entries) bios0: vendor American Megatrends Inc. version "V2.4" date 12/09/2009 bios0: MICRO-STAR INTERNATIONAL CO.,LTD MS-7596 acpi0 at bios0: ACPI 1.0 acpi0: sleep states S0 S1 S4 S5 acpi0: tables DSDT FACP APIC MCFG OEMB HPET SSDT acpi0: wakeup devices PCE2(S4) PCE3(S4) PCE4(S4) PCE5(S4) PCE6(S4) PCE7(S4) PCE9(S4) PCEA(S4) PCEB(S4) PCEC(S4) SBAZ(S4) P0PC(S4) UHC1(S4) UHC2(S4) UHC3(S4) USB4(S4) [...] acpitimer0 at acpi0: 3579545 Hz, 32 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: AMD Phenom(tm) II X4 945 Processor, 3000.51 MHz, 10-04-03 cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu0: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu0: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu0: AMD erratum 721 detected and fixed cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 200MHz cpu0: mwait min=64, max=64, IBE cpu1 at mainbus0: apid 1 (application processor) cpu1: AMD Phenom(tm) II X4 945 Processor, 3000.16 MHz, 10-04-03 cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu1: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu1: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu1: AMD erratum 721 detected and fixed cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 2 (application processor) cpu2: AMD Phenom(tm) II X4 945 Processor, 3000.16 MHz, 10-04-03 cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu2: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu2: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu2: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu2: AMD erratum 721 detected and fixed cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 3 (application processor) cpu3: AMD Phenom(tm) II X4 945 Processor, 3000.16 MHz, 10-04-03 cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,MWAIT,CX16,POPCNT,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,3DNOW2,3DNOW,LAHF,CMPLEG,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,SKINIT,ITSC cpu3: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache, 6MB 64b/line 48-way L3 cache cpu3: ITLB 32 4KB entries fully associative, 16 4MB entries fully associative cpu3: DTLB 48 4KB entries fully associative, 48 4MB entries fully associative cpu3: AMD erratum 721 detected and fixed cpu3: smt 0, core 3, package 0 ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 21, 24 pins acpimcfg0 at acpi0 acpimcfg0: addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318180 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (P0P1) acpiprt2 at acpi0: bus -1 (PCE2) acpiprt3 at acpi0: bus -1 (PCE3) acpiprt4 at acpi0: bus 2 (PCE4) acpiprt5 at acpi0: bus 3 (PCE5) acpiprt6 at acpi0: bus -1 (PCE6) acpiprt7 at acpi0: bus -1 (PCE7) acpiprt8 at acpi0: bus -1 (PCE9) acpiprt9 at acpi0: bus -1 (PCEA) acpiprt10 at acpi0: bus -1 (PCEB) acpiprt11 at acpi0: bus -1 (PCEC) acpiprt12 at acpi0: bus 4 (P0PC) acpicpu0 at acpi0: C1(@1 halt!), PSS acpicpu1 at acpi0: C1(@1 halt!), PSS acpicpu2 at acpi0: C1(@1 halt!), PSS acpicpu3 at acpi0: C1(@1 halt!), PSS acpipci0 at acpi0 PCI0: _OSC failed acpicmos0 at acpi0 acpibtn0 at acpi0: PWRB "PNP0C14" at acpi0 not configured cpu0: 3000 MHz: speeds: 3000 2300 1800 800 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "AMD RS880 Host" rev 0x00 ppb0 at pci0 dev 1 function 0 "AMD RS780 PCIE" rev 0x00 pci1 at ppb0 bus 1 radeondrm0 at pci1 dev 5 function 0 "ATI Radeon HD 4200" rev 0x00 drm0 at radeondrm0 radeondrm0: apic 4 int 18 azalia0 at pci1 dev 5 function 1 "ATI Radeon HD 4200 HD Audio" rev 0x00: msi azalia0: no supported codecs ppb1 at pci0 dev 4 function 0 "AMD RS780 PCIE" rev 0x00: msi pci2 at ppb1 bus 2 xhci0 at pci2 dev 0 function 0 "VIA VL805 xHCI" rev 0x01: msi, xHCI 1.0 usb0 at xhci0: USB revision 3.0 uhub0 at usb0 configuration 1 interface 0 "VIA xHCI root hub" rev 3.00/1.00 addr 1 ppb2 at pci0 dev 5 function 0 "AMD RS780 PCIE" rev 0x00: msi pci3 at ppb2 bus 3 re0 at pci3 dev 0 function 0 "Realtek 8168" rev 0x03: RTL8168D/8111D (0x2800), msi, address xx:xx:xx:xx:xx:xx rgephy0 at re0 phy 7: RTL8169S/8110S/8211 PHY, rev. 2 ahci0 at pci0 dev 17 function 0 "ATI SBx00 SATA" rev 0x00: apic 4 int 22, AHCI 1.1 ahci0: port 1: 3.0Gb/s ahci0: port 2: 3.0Gb/s ahci0: port 3: 3.0Gb/s ahci0: port 4: 3.0Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 1 lun 0: <ATA, STM3250318AS, CC38> naa.xxxxxxxxxxxxxxxx sd0: 238475MB, 512 bytes/sector, 488397168 sectors sd1 at scsibus1 targ 2 lun 0: <ATA, WDC WD2500AVJS-6, 01.0> naa.xxxxxxxxxxxxxxxx sd1: 238475MB, 512 bytes/sector, 488397168 sectors sd2 at scsibus1 targ 3 lun 0: <ATA, WDC WD15EARS-00J, 80.0> naa.xxxxxxxxxxxxxxxx sd2: 1430799MB, 512 bytes/sector, 2930277168 sectors sd3 at scsibus1 targ 4 lun 0: <ATA, WDC WD15EARS-00J, 80.0> naa.xxxxxxxxxxxxxxxx sd3: 1430799MB, 512 bytes/sector, 2930277168 sectors ohci0 at pci0 dev 18 function 0 "ATI SB700 USB" rev 0x00: apic 4 int 16, version 1.0, legacy support ohci1 at pci0 dev 18 function 1 "ATI SB700 USB" rev 0x00: apic 4 int 16, version 1.0, legacy support ehci0 at pci0 dev 18 function 2 "ATI SB700 USB2" rev 0x00: apic 4 int 17 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 ohci2 at pci0 dev 19 function 0 "ATI SB700 USB" rev 0x00: apic 4 int 18, version 1.0, legacy support ohci3 at pci0 dev 19 function 1 "ATI SB700 USB" rev 0x00: apic 4 int 18, version 1.0, legacy support ehci1 at pci0 dev 19 function 2 "ATI SB700 USB2" rev 0x00: apic 4 int 19 usb2 at ehci1: USB revision 2.0 uhub2 at usb2 configuration 1 interface 0 "ATI EHCI root hub" rev 2.00/1.00 addr 1 piixpm0 at pci0 dev 20 function 0 "ATI SBx00 SMBus" rev 0x3c: SMI iic0 at piixpm0 iic0: addr 0x28 01=20 02=00 03=00 04=20 05=00 06=00 07=83 3e=03 41=20 42=00 43=00 44=20 45=00 46=00 47=83 81=20 82=00 83=00 84=20 85=00 86=00 87=83 c1=20 c2=00 c3=00 c4=20 c5=00 c6=00 c7=83 words 00=ff20 01=2000 02=0000 03=00ff 04=20ff 05=00ff 06=00ff 07=ffff spdmem0 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 spdmem1 at iic0 addr 0x53: 2GB DDR3 SDRAM PC3-10600 pciide0 at pci0 dev 20 function 1 "ATI SB700 IDE" rev 0x00: DMA, channel 0 configured to compatibility, channel 1 configured to compatibility atapiscsi0 at pciide0 channel 0 drive 0 scsibus2 at atapiscsi0: 2 targets cd0 at scsibus2 targ 0 lun 0: <_NEC, DVD_RW ND-4550A, 1.08> removable cd0(pciide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2 azalia1 at pci0 dev 20 function 2 "ATI SBx00 HD Audio" rev 0x00: apic 4 int 16 azalia1: codecs: Realtek/0x0889 audio0 at azalia1 pcib0 at pci0 dev 20 function 3 "ATI SB700 ISA" rev 0x00 ppb3 at pci0 dev 20 function 4 "ATI SB600 PCI" rev 0x00 pci4 at ppb3 bus 4 ohci4 at pci4 dev 5 function 0 "Acer Labs M5237 USB" rev 0x03: apic 4 int 21, version 1.0, legacy support ohci5 at pci4 dev 5 function 1 "Acer Labs M5237 USB" rev 0x03: apic 4 int 22, version 1.0, legacy support ohci6 at pci4 dev 5 function 2 "Acer Labs M5237 USB" rev 0x03: apic 4 int 23, version 1.0, legacy support ehci2 at pci4 dev 5 function 3 "Acer Labs M5239 USB2" rev 0x01: apic 4 int 20 usb3 at ehci2: USB revision 2.0 uhub3 at usb3 configuration 1 interface 0 "Acer Labs EHCI root hub" rev 2.00/1.00 addr 1 puc0 at pci4 dev 6 function 0 "NetMos Nm9845" rev 0x01: ports: 16 com com4 at puc0 port 0 apic 4 int 21: ns16550a, 16 byte fifo com5 at puc0 port 1 apic 4 int 21: ns16550a, 16 byte fifo com6 at puc0 port 2 apic 4 int 21: ns16550a, 16 byte fifo com7 at puc0 port 3 apic 4 int 21: ns16550a, 16 byte fifo com8 at puc0 port 4 apic 4 int 21: ns16550a, 16 byte fifo com9 at puc0 port 5 apic 4 int 21: ns16550a, 16 byte fifo usb4 at ohci4: USB revision 1.0 uhub4 at usb4 configuration 1 interface 0 "Acer Labs OHCI root hub" rev 1.00/1.00 addr 1 usb5 at ohci5: USB revision 1.0 uhub5 at usb5 configuration 1 interface 0 "Acer Labs OHCI root hub" rev 1.00/1.00 addr 1 usb6 at ohci6: USB revision 1.0 uhub6 at usb6 configuration 1 interface 0 "Acer Labs OHCI root hub" rev 1.00/1.00 addr 1 ohci7 at pci0 dev 20 function 5 "ATI SB700 USB" rev 0x00: apic 4 int 18, version 1.0, legacy support pchb1 at pci0 dev 24 function 0 "AMD AMD64 10h HyperTransport" rev 0x00 pchb2 at pci0 dev 24 function 1 "AMD AMD64 10h Address Map" rev 0x00 pchb3 at pci0 dev 24 function 2 "AMD AMD64 10h DRAM Cfg" rev 0x00 km0 at pci0 dev 24 function 3 "AMD AMD64 10h Misc Cfg" rev 0x00 pchb4 at pci0 dev 24 function 4 "AMD AMD64 10h Link Cfg" rev 0x00 usb7 at ohci0: USB revision 1.0 uhub7 at usb7 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb8 at ohci1: USB revision 1.0 uhub8 at usb8 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb9 at ohci2: USB revision 1.0 uhub9 at usb9 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 usb10 at ohci3: USB revision 1.0 uhub10 at usb10 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com0: console pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard pcppi0 at isa0 port 0x61 spkr0 at pcppi0 lpt0 at isa0 port 0x378/4 irq 7 usb11 at ohci7: USB revision 1.0 uhub11 at usb11 configuration 1 interface 0 "ATI OHCI root hub" rev 1.00/1.00 addr 1 vmm0 at mainbus0: SVM/RVI uhub12 at uhub0 port 1 configuration 1 interface 0 "VIA Labs USB2.0 Hub" rev 2.10/4.20 addr 2 uhub13 at uhub12 port 1 configuration 1 interface 0 "Terminus Technology USB 2.0 Hub [MTT]" rev 2.00/1.00 addr 3 uhub14 at uhub13 port 4 configuration 1 interface 0 "Genesys Logic USB2.0 Hub" rev 2.00/77.64 addr 4 uhub15 at uhub14 port 2 configuration 1 interface 0 "Chicony Generic USB Hub" rev 1.10/1.00 addr 5 uhidev0 at uhub15 port 1 configuration 1 interface 0 "Chicony PFU-65 USB Keyboard" rev 1.10/1.00 addr 6 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 ugen0 at uhub14 port 3 "Hewlett-Packard hp scanjet scanner" rev 2.00/3.05 addr 7 uhidev1 at uhub14 port 4 configuration 1 interface 0 "Logitech USB-PS/2 Optical Mouse" rev 2.00/27.20 addr 8 uhidev1: iclass 3/1 ums0 at uhidev1: 8 buttons, Z and W dir wsmouse0 at ums0 mux 0 uslcom0 at uhub12 port 2 configuration 1 interface 0 "Silicon Labs CP2104 USB to UART Bridge Controller" rev 2.00/1.00 addr 9 ucom0 at uslcom0 portno 0 uslcom1 at uhub12 port 3 configuration 1 interface 0 "Silicon Labs CP2104 USB to UART Bridge Controller" rev 2.00/1.00 addr 10 ucom1 at uslcom1 portno 0 umass0 at uhub2 port 3 configuration 1 interface 0 "ENE Flash UB623X" rev 2.00/1.00 addr 2 umass0: using SCSI over Bulk-Only scsibus3 at umass0: 2 targets, initiator 0 sd4 at scsibus3 targ 1 lun 0: <USB2.0, CardReader CF, 0100> removable sd5 at scsibus3 targ 1 lun 1: <USB2.0, CardReader SM XD, 0100> removable sd6 at scsibus3 targ 1 lun 2: <USB2.0, CardReader MS, 0100> removable sd7 at scsibus3 targ 1 lun 3: <USB2.0, CardReader SD, 0100> removable vscsi0 at root scsibus4 at vscsi0: 256 targets softraid0 at root scsibus5 at softraid0: 256 targets softraid0: sd8 was not shutdown properly sd8 at scsibus5 targ 1 lun 0: <OPENBSD, SR RAID 1, 006> sd8: 1430796MB, 512 bytes/sector, 2930271472 sectors softraid0: sd9 was not shutdown properly sd9 at scsibus5 targ 2 lun 0: <OPENBSD, SR RAID 1, 006> sd9: 238472MB, 512 bytes/sector, 488391473 sectors root on sd9a (65031cd1c88ccbb2.a) swap on sd9b dump on sd9b WARNING: / was not properly unmounted initializing kernel modesetting (RS880 0x1002:0x9710 0x1462:0x7596 0x00). radeondrm0: 1920x1080, 32bpp wsdisplay0 at radeondrm0 mux 1: console (std, vt100 emulation), using wskbd0 wskbd1: connecting to wsdisplay0 wsdisplay0: screen 1-5 added (std, vt100 emulation)