'Re: Black screen after drm upgrade to Linux 5.10.47'

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List:       openbsd-bugs
Subject:    Re: Black screen after drm upgrade to Linux 5.10.47
From:       Jonathan Gray <jsg () jsg ! id ! au>
Date:       2021-07-08 13:10:47
Message-ID: YOb5V74iDaFSCotF () largo ! jsg ! id ! au
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On Thu, Jul 08, 2021 at 09:07:41AM -0400, Josh Rickmar wrote:
> On Thu, Jul 08, 2021 at 04:53:34PM +1000, Jonathan Gray wrote:
> > On Wed, Jul 07, 2021 at 11:02:27AM -0400, Josh Rickmar wrote:
> > > With latest amd64 snapshot on my Thinkpad E485 I'm only seeing a
> > > black screen when using X.  xenodm is still running, and with some
> > > finger memory I can still log in and run various X applications, but
> > > none of it is visible.
> > > 
> > > dmesg (note the drm and framebuffer errors at the end):
> > > OpenBSD 6.9-current (GENERIC.MP) #111: Tue Jul  6 22:56:50 MDT 2021
> > > deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> > > real mem = 16762552320 (15986MB)
> > > avail mem = 16238493696 (15486MB)
> > > random: good seed from bootblocks
> > > mpath0 at root
> > > scsibus0 at mpath0: 256 targets
> > > mainbus0 at root
> > > bios0 at mainbus0: SMBIOS rev. 3.1 @ 0x986eb000 (62 entries)
> > > bios0: vendor LENOVO version "R0UET78W (1.58 )" date 11/17/2020
> > > bios0: LENOVO 20KUCTO1WW
> > > acpi0 at bios0: ACPI 5.0
> > > acpi0: sleep states S0 S3 S4 S5
> > > acpi0: tables DSDT FACP SSDT SSDT CRAT CDIT SSDT TPM2 UEFI MSDM BATB HPET APIC \
> > >                 MCFG SBST WSMT VFCT IVRS FPDT SSDT SSDT SSDT BGRT UEFI SSDT
> > > acpi0: wakeup devices GPP0(S3) GPP1(S3) GPP2(S3) GPP3(S3) GPP4(S3) GPP5(S3) \
> > > GPP6(S3) GP17(S3) XHC0(S3) XHC1(S3) GP18(S3) LID_(S3) SLPB(S3) acpitimer0 at \
> > > acpi0: 3579545 Hz, 32 bits acpihpet0 at acpi0: 14318180 Hz
> > > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> > > cpu0 at mainbus0: apid 0 (boot processor)
> > > cpu0: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.62 MHz, 17-11-00
> > > cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu0: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu0: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu0: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu0: smt 0, core 0, package 0
> > > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
> > > cpu0: apic clock running at 24MHz
> > > cpu0: mwait min=64, max=64, C-substates=1.1, IBE
> > > cpu1 at mainbus0: apid 1 (application processor)
> > > cpu1: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu1: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu1: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu1: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu1: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu1: disabling user TSC (skew=-7211601250)
> > > cpu1: smt 1, core 0, package 0
> > > cpu2 at mainbus0: apid 2 (application processor)
> > > cpu2: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu2: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu2: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu2: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu2: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu2: disabling user TSC (skew=-7211601210)
> > > cpu2: smt 0, core 1, package 0
> > > cpu3 at mainbus0: apid 3 (application processor)
> > > cpu3: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu3: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu3: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu3: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu3: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu3: disabling user TSC (skew=-7211601260)
> > > cpu3: smt 1, core 1, package 0
> > > cpu4 at mainbus0: apid 4 (application processor)
> > > cpu4: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu4: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu4: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu4: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu4: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu4: disabling user TSC (skew=-7211601230)
> > > cpu4: smt 0, core 2, package 0
> > > cpu5 at mainbus0: apid 5 (application processor)
> > > cpu5: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu5: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu5: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu5: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu5: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu5: disabling user TSC (skew=-7211601260)
> > > cpu5: smt 1, core 2, package 0
> > > cpu6 at mainbus0: apid 6 (application processor)
> > > cpu6: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu6: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu6: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu6: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu6: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu6: disabling user TSC (skew=-7211601200)
> > > cpu6: smt 0, core 3, package 0
> > > cpu7 at mainbus0: apid 7 (application processor)
> > > cpu7: AMD Ryzen 5 2500U with Radeon Vega Mobile Gfx, 1996.26 MHz, 17-11-00
> > > cpu7: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CF \
> > > LUSH,MMX,FXSR,SSE,SSE2,HTT,SSE3,PCLMUL,MWAIT,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE \
> > > ,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG,LAHF,CMPLEG \
> > > ,SVM,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,SKINIT,TCE,TOPEXT,CPCTR,DBKP,PCTR \
> > > L3,MWAITX,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,RDSEED,ADX,SMAP,CLFLUSHOPT,SHA,IBPB,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> > >                 
> > > cpu7: 64KB 64b/line 4-way I-cache, 32KB 64b/line 8-way D-cache, 512KB 64b/line \
> > >                 8-way L2 cache
> > > cpu7: ITLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu7: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
> > > cpu7: disabling user TSC (skew=-7211601250)
> > > cpu7: smt 1, core 3, package 0
> > > ioapic0 at mainbus0: apid 32 pa 0xfec00000, version 21, 24 pins, can't remap
> > > ioapic1 at mainbus0: apid 33 pa 0xfec01000, version 21, 32 pins, can't remap
> > > acpimcfg0 at acpi0
> > > acpimcfg0: addr 0xf8000000, bus 0-63
> > > acpiprt0 at acpi0: bus 0 (PCI0)
> > > acpiprt1 at acpi0: bus 1 (GPP0)
> > > acpiprt2 at acpi0: bus 2 (GPP1)
> > > acpiprt3 at acpi0: bus 3 (GPP2)
> > > acpiprt4 at acpi0: bus -1 (GPP3)
> > > acpiprt5 at acpi0: bus -1 (GPP4)
> > > acpiprt6 at acpi0: bus 4 (GPP5)
> > > acpiprt7 at acpi0: bus -1 (GPP6)
> > > acpiprt8 at acpi0: bus 5 (GP17)
> > > acpiprt9 at acpi0: bus 6 (GP18)
> > > acpiec0 at acpi0
> > > acpibtn0 at acpi0: PWRB
> > > acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000
> > > acpicmos0 at acpi0
> > > acpibat0 at acpi0: BAT0 model "01AV448" serial  2798 type LiP oem "Celxpert"
> > > acpiac0 at acpi0: AC unit online
> > > acpithinkpad0 at acpi0: version 2.0
> > > "SMB0001" at acpi0 not configured
> > > acpibtn1 at acpi0: LID_
> > > acpibtn2 at acpi0: SLPB
> > > "PNP0C14" at acpi0 not configured
> > > "PNP0C14" at acpi0 not configured
> > > "PNP0C14" at acpi0 not configured
> > > "STM7304" at acpi0 not configured
> > > "USBC000" at acpi0 not configured
> > > acpicpu0 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu1 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu2 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu3 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu4 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu5 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu6 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpicpu7 at acpi0: C2(0@400 io@0x414), C1(0@1 mwait), PSS
> > > acpipwrres0 at acpi0: P0ST, resource for SATA
> > > acpipwrres1 at acpi0: P3ST, resource for SATA
> > > acpivideo0 at acpi0: VGA_
> > > acpivout0 at acpivideo0: LCD_
> > > cpu0: 1996 MHz: speeds: 2000 1700 1600 MHz
> > > pci0 at mainbus0 bus 0
> > > ksmn0 at pci0 dev 0 function 0 "AMD 17h/1xh Root Complex" rev 0x00
> > > "AMD 17h/1xh IOMMU" rev 0x00 at pci0 dev 0 function 2 not configured
> > > pchb0 at pci0 dev 1 function 0 "AMD 17h PCIE" rev 0x00
> > > ppb0 at pci0 dev 1 function 1 "AMD 17h/1xh PCIE" rev 0x00: msi
> > > pci1 at ppb0 bus 1
> > > ppb1 at pci0 dev 1 function 2 "AMD 17h/1xh PCIE" rev 0x00: msi
> > > pci2 at ppb1 bus 2
> > > re0 at pci2 dev 0 function 0 "Realtek 8168" rev 0x10: RTL8168GU/8111GU \
> > > (0x5080), msi, address e8:6a:64:f0:f8:14 rgephy0 at re0 phy 7: RTL8251 PHY, \
> > > rev. 0 ppb2 at pci0 dev 1 function 3 "AMD 17h/1xh PCIE" rev 0x00: msi
> > > pci3 at ppb2 bus 3
> > > sdhc0 at pci3 dev 0 function 0 "O2 Micro 0Z8621 SD/MMC" rev 0x01: apic 33 int 8
> > > sdhc0: SDHC 4.0, 50 MHz base clock
> > > sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, ddr52, dma
> > > ppb3 at pci0 dev 1 function 6 "AMD 17h/1xh PCIE" rev 0x00: msi
> > > pci4 at ppb3 bus 4
> > > iwm0 at pci4 dev 0 function 0 "Intel Dual Band Wireless-AC 8265" rev 0x78, msi
> > > pchb1 at pci0 dev 8 function 0 "AMD 17h PCIE" rev 0x00
> > > ppb4 at pci0 dev 8 function 1 "AMD 17h/1xh PCIE" rev 0x00
> > > pci5 at ppb4 bus 5
> > > amdgpu0 at pci5 dev 0 function 0 "ATI Radeon Vega" rev 0xc4
> > > drm0 at amdgpu0
> > > amdgpu0: msi
> > > azalia0 at pci5 dev 0 function 1 "ATI Radeon Vega HD Audio" rev 0x00: msi
> > > azalia0: no supported codecs
> > > ccp0 at pci5 dev 0 function 2 "AMD 17h/1xh Crypto" rev 0x00
> > > xhci0 at pci5 dev 0 function 3 "AMD 17h/1xh xHCI" rev 0x00: msi, xHCI 1.10
> > > usb0 at xhci0: USB revision 3.0
> > > uhub0 at usb0 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 \
> > > addr 1 xhci1 at pci5 dev 0 function 4 "AMD 17h/1xh xHCI" rev 0x00: msi, xHCI \
> > > 1.10 usb1 at xhci1: USB revision 3.0
> > > uhub1 at usb1 configuration 1 interface 0 "AMD xHCI root hub" rev 3.00/1.00 \
> > > addr 1 azalia1 at pci5 dev 0 function 6 "AMD 17h/1xh HD Audio" rev 0x00: apic \
> > >                 33 int 30
> > > azalia1: codecs: Conexant/0x5111
> > > audio0 at azalia1
> > > ppb5 at pci0 dev 8 function 2 "AMD 17h/1xh PCIE" rev 0x00
> > > pci6 at ppb5 bus 6
> > > ahci0 at pci6 dev 0 function 0 "AMD FCH AHCI" rev 0x61: msi, AHCI 1.3.1
> > > ahci0: port 0: 6.0Gb/s
> > > scsibus1 at ahci0: 32 targets
> > > sd0 at scsibus1 targ 0 lun 0: <ATA, CT500MX500SSD1, M3CR> naa.500a0751e13ebe2f
> > > sd0: 476940MB, 512 bytes/sector, 976773168 sectors, thin
> > > piixpm0 at pci0 dev 20 function 0 "AMD FCH SMBus" rev 0x61: SMI
> > > iic0 at piixpm0
> > > spdmem0 at iic0 addr 0x50: 8GB DDR4 SDRAM PC4-19200 SO-DIMM
> > > spdmem1 at iic0 addr 0x52: 8GB DDR4 SDRAM PC4-19200 SO-DIMM
> > > iic1 at piixpm0
> > > pcib0 at pci0 dev 20 function 3 "AMD FCH LPC" rev 0x51
> > > pchb2 at pci0 dev 24 function 0 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb3 at pci0 dev 24 function 1 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb4 at pci0 dev 24 function 2 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb5 at pci0 dev 24 function 3 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb6 at pci0 dev 24 function 4 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb7 at pci0 dev 24 function 5 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb8 at pci0 dev 24 function 6 "AMD 17h/1xh Data Fabric" rev 0x00
> > > pchb9 at pci0 dev 24 function 7 "AMD 17h/1xh Data Fabric" rev 0x00
> > > isa0 at pcib0
> > > isadma0 at isa0
> > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> > > pckbd0 at pckbc0 (kbd slot)
> > > wskbd0 at pckbd0: console keyboard
> > > pms0 at pckbc0 (aux slot)
> > > wsmouse0 at pms0 mux 0
> > > wsmouse1 at pms0 mux 0
> > > pms0: Synaptics clickpad, firmware 8.16, 0x1e2b1 0x940300 0x373740 0xf020a3 \
> > > 0x12e800 pcppi0 at isa0 port 0x61
> > > spkr0 at pcppi0
> > > vmm0 at mainbus0: SVM/RVI
> > > efifb at mainbus0 not configured
> > > dt: 445 probes
> > > uvideo0 at uhub1 port 2 configuration 1 interface 0 "Azurewave Integrated \
> > > Camera" rev 2.01/17.11 addr 2 video0 at uvideo0
> > > vscsi0 at root
> > > scsibus2 at vscsi0: 256 targets
> > > softraid0 at root
> > > scsibus3 at softraid0: 256 targets
> > > root on sd0a (3a85b6926424009b.a) swap on sd0b dump on sd0b
> > > iwm0: hw rev 0x230, fw ver 34.0.1, address a0:51:0b:ed:56:de
> > > amdgpu0: RAVEN 8 CU rev 0x01
> > > amdgpu0: 1920x1080, 32bpp
> > > wsdisplay0 at amdgpu0 mux 1: console (std, vt100 emulation), using wskbd0
> > > wsdisplay0: screen 1-5 added (std, vt100 emulation)
> > > drm:pid71504:amdgpu_bo_pin_restricted *ERROR* 0xffff800001836e18 pin failed
> > > [drm] *ERROR* Failed to pin framebuffer with error -12
> > 
> > This occurs when starting X (and not every time) on raven ridge
> > and picasso systems since the 5.10 drm changes went in.
> > 
> > With a t495 when this happens
> > 
> > ttm_bo_mem_space()	ret -ENOMEM
> > ttm_bo_move_buffer()
> > ttm_bo_validate()
> > amdgpu_bo_pin_restricted()
> > 
> > No space for 0xffff8000018231e8 (2224 pages, 8896K, 8M)
> > placement[0]=0x006E0000 (2)
> > 
> > ttm_placement.h:#define TTM_PL_VRAM             2
> > 
> > [drm] vm size is 262144 GB, 4 levels, block size is 9-bit, fragment size is 9-bit
> > drm: VRAM: 2048M 0x000000F400000000 - 0x000000F47FFFFFFF (2048M used)
> > drm: GART: 1024M 0x0000000000000000 - 0x000000003FFFFFFF
> > drm: AGP: 267419648M 0x000000F800000000 - 0x0000FFFFFFFFFFFF
> > [drm] Detected VRAM RAM=2048M, BAR=2048M
> > [drm] RAM width 64bits DDR4
> > [TTM] Zone  kernel: Available graphics memory: 7269782 KiB
> > [TTM] Zone   dma32: Available graphics memory: 2097152 KiB
> > [TTM] Initializing pool allocator
> > [drm] amdgpu: 2048M of VRAM memory ready
> > [drm] amdgpu: 3072M of GTT memory ready.
> > [drm] GART: num cpu pages 262144, num gpu pages 262144
> > [drm] PCIE GART of 1024M enabled (table at 0x000000F400900000).
> > 
> > [drm] vram apper at 0x3BF000000
> > [drm] size 8294400
> > [drm] fb depth is 24
> > [drm]    pitch is 7680
> > 
> > Can you try the following diff to revert to the 5.7 drm_mm ?
> > I have not been able to reproduce the problem on t495/picasso
> > with this change.
> 
> Yes, the error is gone and X is usable again with this diff.

thanks for the report and testing, committed


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