On Sun, Mar 21, 2021 at 04:01:50PM -0700, Greg Steuck wrote: > I noticed we saw variations of this before. This hit my X1 9th gen when > waking up with a 4k monitor attached via HDMI connector. FWIW, the > screen is mirrored between the built-in panel and the big monitor.
x1c gen8 not gen9 https://psref.lenovo.com/Product/ThinkPad/ThinkPad_X1_Carbon_Gen_8?MT=20UA "Monitor Support Supports up to 3 independent displays via native display and 2 external monitors; supports external monitors via HDMI (up to 4K@24Hz) or Thunderbolt (up to 5K@60Hz)" If you connect the display via thunderbolt (displayport signal) do you still see this? What model of display is this? > > The below is largely OCRed and then hand-fixed from > https://photos.app.goo.gl/qyXdd3e1Nsso921o9 > > uvm_fault(0xffffffff82167400, 0xffff8000026c7000, 0, 1) -> e > connector_bad_edid+0x50: movzbl 0xfffffffffffffffd(%rax, %rcx,1), %esi > ddb{2}> bt > connector_bad_edid(ffff800000cde000, ffff8000026c6f80,1) at > connector_bad_edid+0x50 > drm_do_get_edid(ffff800000cde000, ffffffff81a00770, ffff8000002b20c8) at > drm_do_get_edid+0x378 > drm_get_edid(ffff800000cde000, ffff8000002b20c0) at drm_get_edid+0x67? > intel_hdmi_set_edid(ffff800000cde000) at intel_hdmi_set_edid+0x69 > intel_encoder_hotplug(ffff800000cd9000, ffff800000cd000,1) at > intel_encoder_hotplug+0x7f > intel_ddi_hotplug(ffff800000cd9000, ffff800000cde000.1) at > intel_ddi_hotplug+0x54 > intel_hdmi_detect(ffff800000cd000,0) at intel_hdmi_detect+0xb1 > drm_helper_probe_detect(ffff800000cde000,0.0) at drm_helper_probe_detect+0xed > i915_hotplug_work_func(ffff8000002b3168) at i915_hotplug_work_func+0x24f > taskq_thread(ffff8000082aa380) at taskq_thread+0x81 > end trace frame: 0x0, count: -10 > ddb{2}> show registers > rdi 0xffff800000cde000 > rsi 0xffff8000026c6f80 > rbp 0xffff800021c0c620 > rbx 0xffff8000026c6f80 > rdx 0 > rcx 0x3 > rax 0xffff8000026c7000 > r8 0x200 > r9 0xa > r10 0xa146c6f403a26e87 > r11 0x7b0d0680ac61d824 > r12 0xffff8000002b20c0 > r13 0xffffffff81a00770 > r14 0xffff800000cde800 > r15 0x1 > rip 0xffffffff81a005b0 connector_bad_edid+0x50 > cs 0x8 > rflags 0x10246 > rsp 0xffff800021c0c5b0 > ss 0x10 > connector_bad_edid+0x50: movzbl 0xfffffffffffffffd(%rax, %rcx,1), %esi > ddb{2}> show proc > PROC (draw) pid=476108 stat=onproc > flags process=14000<NOZOMBIE, SYSTEM> proc=200<SYSTEM> > pri=0, usrpri=59, nice=20 > forw=0xffffffffffffffff, List-0xffff8000ffffc7e8,0xffff 8000ffffc018 > process=0xffff800021c063e8 user=0xffff800021c07000, > vmspace=0xffffffff821b0388 > estcpu=9, cpticks=38, pctcpu=0.0 > user=0, sys=1, intr=0 > ddb{2}> > > OpenBSD 6.9-beta (GENERIC.MP) #419: Sat Mar 20 00:43:49 MDT 2021 > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 16903794688 (16120MB) > avail mem = 16376107008 (15617MB) > random: good seed from bootblocks > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 3.2 @ 0x766ac000 (72 entries) > bios0: vendor LENOVO version "N2WET24W (1.14 )" date 10/15/2020 > bios0: LENOVO 20UAS1H100 > acpi0 at bios0: ACPI 6.1 > acpi0: sleep states S0 S3 S4 S5 > acpi0: tables DSDT FACP SSDT SSDT SSDT SSDT SSDT TPM2 SSDT HPET APIC MCFG > ECDT SSDT SSDT SSDT NHLT BOOT SSDT LPIT WSMT SSDT DBGP DBG2 POAT BATB DMAR > ASF! BGRT UEFI FPDT > acpi0: wakeup devices GLAN(S4) XHC_(S3) XDCI(S4) HDAS(S4) RP01(S4) PXSX(S4) > RP02(S4) PXSX(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4) > PXSX(S4) RP07(S4) [...] > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpihpet0 at acpi0: 23999999 Hz > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: Intel(R) Core(TM) i7-10610U CPU @ 1.80GHz, 7094.00 MHz, 06-8e-0c > cpu0: > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES > cpu0: 256KB 64b/line 8-way L2 cache > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > cpu0: apic clock running at 24MHz > cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE > ... > inteldrm0 at pci0 dev 2 function 0 "Intel UHD Graphics" rev 0x02 > drm0 at inteldrm0 > inteldrm0: msi, COFFEELAKE, gen 9 > ... > inteldrm0: 3840x2160, 32bpp > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0 > wsdisplay0: screen 1-5 added (std, vt100 emulation) > ... > drm:pid42157:connector_bad_edid *WARNING* HDMI-A-1: EDID is invalid: > [00] BAD 00 ff ff ff ff ff ff 00 ff 00 04 04 72 72 10 04 > [00] BAD 04 d5 a1 a1 80 80 73 26 26 1b 01 01 03 80 80 47 > [00] BAD 47 28 78 78 2e 88 88 e5 e5 a8 55 55 4d a0 a0 25 > [00] BAD 0e 0e 50 50 54 bf bf ef 80 80 71 71 4f 81 81 40 > [00] BAD 81 81 80 81 81 c0 c0 95 00 00 b3 00 00 d1 d1 c0 > [00] BAD 01 01 01 4d 4d d0 d0 00 a0 a0 f0 70 70 3e 80 80 > [00] BAD 30 30 20 35 35 00 c4 c4 8f 8f 21 00 00 00 1a 1a > [00] BAD 00 00 00 00 00 fd 00 00 17 4c 4c 1f 1f 87 3c 3c > ... > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > [drm] *ERROR* Unexpected DP dual mode adaptor ID 4f > [drm] *ERROR* Unexpected DP dual mode adaptor ID 50 > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > ... > [drm] *ERROR* Unexpected DP dual mode adaptor ID 50 > ... > [drm] *ERROR* Unexpected DP dual mode adaptor ID 50 > [drm] *ERROR* Unexpected DP dual mode adaptor ID 4f > ... > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > ... > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > [drm] *ERROR* Unexpected DP dual mode adaptor ID 54 > ... > uvm_fault(0xffffffff82167400, 0xffff8000026c7000, 0, 1) -> e > > > The disassembly of the function is: > > 00000000000037c0 <connector_bad_edid>: > 37c0: 4c 8b 1d 00 00 00 00 mov 0(%rip),%r11 # 37c7 > <connector_bad_edid+0x7> > 37c7: 4c 33 1c 24 xor (%rsp),%r11 > 37cb: 55 push %rbp > 37cc: 48 89 e5 mov %rsp,%rbp > 37cf: 57 push %rdi > 37d0: 56 push %rsi > 37d1: 52 push %rdx > 37d2: 57 push %rdi > 37d3: 41 53 push %r11 > 37d5: 41 57 push %r15 > 37d7: 41 56 push %r14 > 37d9: 41 55 push %r13 > 37db: 41 54 push %r12 > 37dd: 53 push %rbx > 37de: 48 83 ec 20 sub $0x20,%rsp > 37e2: 41 89 d7 mov %edx,%r15d > 37e5: 0f b6 46 7e movzbl 0x7e(%rsi),%eax > 37e9: 39 d0 cmp %edx,%eax > 37eb: 0f 4f c2 cmovg %edx,%eax > 37ee: 0f b6 c0 movzbl %al,%eax > 37f1: 48 c1 e0 07 shl $0x7,%rax > 37f5: 48 89 75 a8 mov %rsi,0xffffffffffffffa8(%rbp) > 37f9: 48 01 f0 add %rsi,%rax > 37fc: 31 d2 xor %edx,%edx > 37fe: b9 03 00 00 00 mov $0x3,%ecx > 3803: eb 0b jmp 3810 <connector_bad_edid+0x50> > 3805: cc int3 > 3806: cc int3 > 3807: cc int3 > 3808: cc int3 > 3809: cc int3 > 380a: cc int3 > 380b: cc int3 > 380c: cc int3 > 380d: cc int3 > 380e: cc int3 > 380f: cc int3 > 3810: 0f b6 74 08 fd movzbl > 0xfffffffffffffffd(%rax,%rcx,1),%esi > 3815: 01 d6 add %edx,%esi > 3817: 0f b6 54 08 fe movzbl > 0xfffffffffffffffe(%rax,%rcx,1),%edx > 381c: 01 f2 add %esi,%edx > 381e: 0f b6 f2 movzbl %dl,%esi > 3821: 0f b6 54 08 ff movzbl > 0xffffffffffffffff(%rax,%rcx,1),%edx > 3826: 01 f2 add %esi,%edx > 3828: 48 83 f9 7f cmp $0x7f,%rcx > 382c: 74 0f je 383d <connector_bad_edid+0x7d> > 382e: 0f b6 34 08 movzbl (%rax,%rcx,1),%esi > 3832: 01 f2 add %esi,%edx > 3834: 0f b6 d2 movzbl %dl,%edx > 3837: 48 83 c1 04 add $0x4,%rcx > 383b: eb d3 jmp 3810 <connector_bad_edid+0x50> > 383d: f6 da neg %dl > 383f: 88 97 19 04 00 00 mov %dl,0x419(%rdi) > 3845: 8b 87 14 04 00 00 mov 0x414(%rdi),%eax > 384b: 8d 48 01 lea 0x1(%rax),%ecx > 384e: 89 8f 14 04 00 00 mov %ecx,0x414(%rdi) > 3854: 85 c0 test %eax,%eax > 3856: 74 0d je 3865 <connector_bad_edid+0xa5> > }; > > static inline bool drm_debug_enabled(enum drm_debug_category category) > { > return unlikely(__drm_debug & category); > 3858: f6 05 00 00 00 00 04 testb $0x4,0(%rip) # 385f > <connector_bad_edid+0x9f> > >
