On Fri, Nov 11, 2022 at 7:53 AM Finnegan McBrisket
<finnmcbris...@gmail.com> wrote:
>
> I'm trying to disable inteldrm from loading on my headless firewall,
> because it slows down my system, but I can't make the change stick
> after another reboot.
>
> After upgrading to 7.2 I noticed a higher than usual load average on
> my openbsd firewall. A system process called drmwq seems to be
> responsible for this if I'm understanding systat pigs correctly.
> Seeing that this is a part of the inteldrm, I've disabled inteldrm in
> the kernel and rebooted and noticed that my system seems back to
> normal levels. Unfortunately after a reboot this morning, inteldrm is
> back. This box is a headless box and I don't know why drmwq is doing
> whatever it is doing, but I seem to be fine with it disabled. I
> realize I shouldn't disable things if I don't know what I'm doing, but
> I don't know what else I can do to with this drmwq process. How can I
> keep inteldrm disabled after reboots?
>
> I'm running current (Nov 10 snapshot)
>
> I've disabled intel drm this way:
> # config -ef /bsd
> ukc> disable inteldrm
> ukc> quit
> # sha256 -h /var/db/kernel.SHA256 /bsd
> # reboot
>
> The device I'm using: https://protectli.com/product/fw4b/
>
> Here is my dmesg
>
> OpenBSD 7.2-current (GENERIC.MP) #827: Thu Nov 10 13:46:36 MST 2022
>     dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 4224679936 (4028MB)
> avail mem = 4079226880 (3890MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x7cd0b020 (14 entries)
> bios0: vendor coreboot version "v4.12.0.7" date 09/28/2021
> bios0: Protectli FW4B
> acpi0 at bios0: ACPI 6.0
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP SSDT MCFG APIC
> acpi0: wakeup devices XHCI(S3)
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xe0000000, bus 0-255
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel(R) Celeron(R) CPU J3160 @ 1.60GHz, 2240.41 MHz, 06-4c-04
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
> cpu0: 24KB 64b/line 6-way D-cache, 32KB 64b/line 8-way I-cache, 1MB
> 64b/line 16-way L2 cache
> cpu0: smt 0, core 0, package 0
> mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
> cpu0: apic clock running at 79MHz
> cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0.0.3.3, IBE
> cpu1 at mainbus0: apid 2 (application processor)
> cpu1: Intel(R) Celeron(R) CPU J3160 @ 1.60GHz, 2240.96 MHz, 06-4c-04
> cpu1: 
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
> cpu1: 24KB 64b/line 6-way D-cache, 32KB 64b/line 8-way I-cache, 1MB
> 64b/line 16-way L2 cache
> cpu1: smt 0, core 1, package 0
> cpu2 at mainbus0: apid 4 (application processor)
> cpu2: Intel(R) Celeron(R) CPU J3160 @ 1.60GHz, 2241.21 MHz, 06-4c-04
> cpu2: 
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
> cpu2: 24KB 64b/line 6-way D-cache, 32KB 64b/line 8-way I-cache, 1MB
> 64b/line 16-way L2 cache
> cpu2: smt 0, core 2, package 0
> cpu3 at mainbus0: apid 6 (application processor)
> cpu3: Intel(R) Celeron(R) CPU J3160 @ 1.60GHz, 2241.36 MHz, 06-4c-04
> cpu3: 
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,TSC_ADJUST,SMEP,ERMS,MD_CLEAR,IBRS,IBPB,STIBP,SENSOR,ARAT,MELTDOWN
> cpu3: 24KB 64b/line 6-way D-cache, 32KB 64b/line 8-way I-cache, 1MB
> 64b/line 16-way L2 cache
> cpu3: smt 0, core 3, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 115 pins, remapped
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
> "INT33BD" at acpi0 not configured
> acpicmos0 at acpi0
> com0 at acpi0 COM1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo
> com0: console
> chvgpio0 at acpi0 GPSW uid 1 addr 0xfed80000/0x8000 irq 49, 56 pins
> chvgpio1 at acpi0 GPNC uid 2 addr 0xfed88000/0x8000 irq 48, 59 pins
> chvgpio2 at acpi0 GPEC uid 3 addr 0xfed90000/0x8000 irq 50, 24 pins
> chvgpio3 at acpi0 GPSE uid 4 addr 0xfed98000/0x8000 irq 91, 55 pins
> "BOOT0000" at acpi0 not configured
> acpicpu0 at acpi0: C3(1@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51),
> C1(1000@1 mwait.1), PSS
> acpicpu1 at acpi0: C3(1@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51),
> C1(1000@1 mwait.1), PSS
> acpicpu2 at acpi0: C3(1@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51),
> C1(1000@1 mwait.1), PSS
> acpicpu3 at acpi0: C3(1@1500 mwait.1@0x52), C2(10@500 mwait.1@0x51),
> C1(1000@1 mwait.1), PSS
> cpu0: using VERW MDS workaround
> cpu0: Enhanced SpeedStep 2240 MHz: speeds: 1601, 1600, 1520, 1440,
> 1360, 1280, 1200, 1120, 1040, 960, 880, 800, 720, 640, 560, 480 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Braswell Host" rev 0x35
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics" rev 0x35
> drm0 at inteldrm0
> inteldrm0: msi, CHERRYVIEW, gen 8
> ahci0 at pci0 dev 19 function 0 "Intel Braswell AHCI" rev 0x35: msi, AHCI 
> 1.3.1
> ahci0: port 0: 1.5Gb/s
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 0 lun 0: <ATA, BIWIN SSD, QHY2> naa.0000000000000000
> sd0: 15272MB, 512 bytes/sector, 31277232 sectors, thin
> xhci0 at pci0 dev 20 function 0 "Intel Braswell xHCI" rev 0x35: msi, xHCI 1.0
> usb0 at xhci0: USB revision 3.0
> uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev
> 3.00/1.00 addr 1
> azalia0 at pci0 dev 27 function 0 "Intel Braswell HD Audio" rev 0x35: msi
> azalia0: codecs: Realtek ALC662, Intel/0x2883, using Realtek ALC662
> audio0 at azalia0
> ppb0 at pci0 dev 28 function 0 "Intel Braswell PCIE" rev 0x35: msi
> pci1 at ppb0 bus 1
> em0 at pci1 dev 0 function 0 "Intel I210" rev 0x03: msi, address
> ppb1 at pci0 dev 28 function 1 "Intel Braswell PCIE" rev 0x35: msi
> pci2 at ppb1 bus 2
> em1 at pci2 dev 0 function 0 "Intel I210" rev 0x03: msi, address
> ppb2 at pci0 dev 28 function 2 "Intel Braswell PCIE" rev 0x35: msi
> pci3 at ppb2 bus 3
> em2 at pci3 dev 0 function 0 "Intel I210" rev 0x03: msi, address 2
> ppb3 at pci0 dev 28 function 3 "Intel Braswell PCIE" rev 0x35: msi
> pci4 at ppb3 bus 4
> em3 at pci4 dev 0 function 0 "Intel I210" rev 0x03: msi, address
> pcib0 at pci0 dev 31 function 0 "Intel Braswell PCU LPC" rev 0x35
> ichiic0 at pci0 dev 31 function 3 "Intel Braswell SMBus" rev 0x35: apic 2 int 
> 18
> iic0 at ichiic0
> spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 SO-DIMM
> isa0 at pcib0
> isadma0 at isa0
> vga0 at isa0 port 0x3b0/48 iomem 0xa0000/131072
> wsdisplay at vga0 not configured
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> scsibus3 at softraid0: 256 targets
> root on sd0a (d3d81fe166194904.a) swap on sd0b dump on sd0b
> inteldrm0: 1024x768, 32bpp
> wsdisplay0 at inteldrm0 mux 1
> wsdisplay0: screen 0-5 added (std, vt100 emulation)

Problem with getting "disable inteldrm" to stick has been solved. I
found this thread:
https://www.mail-archive.com/tech@openbsd.org/msg65655.html
and learned about bsd.re-config. After adding "disable inteldrm" to
/etc/bsd.reconfig my issue seems to be resolved.

With regard to inteldrm, I also found drmhpwq running and after
searching for that process found this thread:
https://www.mail-archive.com/bugs@openbsd.org/msg16027.html
which may be the same issue I'm having, the intel gpu is not happy
without an hdml monitor.

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