Hi, I recently built a new machine. Occasionally (meaning a couple of times a day), the network dies in the following fashion:
First, the system slows down (mouse becomes jerky and unresponsive). Shortly after, dmesg prints: Jul 15 20:38:23 cathet re0: watchdog timeout Once the watchdog timeout message has been printed, the network becomes inaccessible. Usually followed by (variants of): Jul 15 20:40:17 cathet last message repeated 5 times The system continues being very slow and may even lock up (no response to mouse, caps lock led doesn't toggle, etc). Either way, I usually hold down the power button to reset at this point. ifconfig down/up doesn't stop the timeouts. OpenBSD 5.8-beta (GENERIC.MP) #1126: Sun Jul 5 18:43:48 MDT 2015 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP real mem = 34283859968 (32695MB) avail mem = 33240956928 (31701MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xec2b0 (89 entries) bios0: vendor American Megatrends Inc. version "2205" date 10/09/2014 bios0: ASUS All Series acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC FPDT SSDT SSDT SSDT MCFG HPET SSDT SSDT acpi0: wakeup devices PEGP(S4) PEG0(S4) PEGP(S4) PEG1(S4) PEGP(S4) PEG2(S4) UAR1(S4) PS2K(S4) PS2M(S4) PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) [...] acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz, 3292.82 MHz 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,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,SENSOR,ARAT 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 99MHz cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4, IBE cpu1 at mainbus0: apid 2 (application processor) cpu1: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz, 3292.38 MHz 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,SMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,SENSOR,ARAT cpu1: 256KB 64b/line 8-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 4 (application processor) cpu2: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz, 3292.38 MHz 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,SMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,SENSOR,ARAT cpu2: 256KB 64b/line 8-way L2 cache cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 6 (application processor) cpu3: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz, 3292.38 MHz 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,SMX,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,SENSOR,ARAT cpu3: 256KB 64b/line 8-way L2 cache cpu3: smt 0, core 3, package 0 ioapic0 at mainbus0: apid 8 pa 0xfec00000, version 20, 24 pins acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (PEG0) acpiprt2 at acpi0: bus -1 (PEG1) acpiprt3 at acpi0: bus -1 (PEG2) acpiprt4 at acpi0: bus 2 (RP01) acpiprt5 at acpi0: bus -1 (RP02) acpiprt6 at acpi0: bus 3 (RP03) acpiprt7 at acpi0: bus 4 (RP04) acpiprt8 at acpi0: bus -1 (RP05) acpiprt9 at acpi0: bus -1 (RP06) acpiprt10 at acpi0: bus -1 (RP07) acpiprt11 at acpi0: bus -1 (RP08) acpiec0 at acpi0: not present acpicpu0 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpicpu2 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpipwrres0 at acpi0: PG00, resource for PEG0 acpipwrres1 at acpi0: PG01, resource for PEG1 acpipwrres2 at acpi0: PG02, resource for PEG2 acpipwrres3 at acpi0: FN00, resource for FAN0 acpipwrres4 at acpi0: FN01, resource for FAN1 acpipwrres5 at acpi0: FN02, resource for FAN2 acpipwrres6 at acpi0: FN03, resource for FAN3 acpipwrres7 at acpi0: FN04, resource for FAN4 acpitz0 at acpi0: critical temperature is 105 degC acpitz1 at acpi0: critical temperature is 105 degC acpibat0 at acpi0: BAT0 not present acpibat1 at acpi0: BAT1 not present acpibat2 at acpi0: BAT2 not present acpibtn0 at acpi0: PWRB acpibtn1 at acpi0: LID0 acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: DD1F cpu0: Enhanced SpeedStep 3292 MHz: speeds: 3301, 3300, 3100, 2900, 2800, 2600, 2400, 2200, 2000, 1900, 1700, 1500, 1300, 1200, 1000, 800 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Core 4G Host" rev 0x06 ppb0 at pci0 dev 1 function 0 "Intel Core 4G PCIE" rev 0x06: msi pci1 at ppb0 bus 1 radeondrm0 at pci1 dev 0 function 0 "ATI Radeon HD 5450" rev 0x00 drm0 at radeondrm0 radeondrm0: msi azalia0 at pci1 dev 0 function 1 "ATI Radeon HD 5470 Audio" rev 0x00: msi azalia0: no supported codecs xhci0 at pci0 dev 20 function 0 "Intel 9 Series xHCI" rev 0x00: msi usb0 at xhci0: USB revision 3.0 uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 "Intel 9 Series MEI" rev 0x00 at pci0 dev 22 function 0 not configured ehci0 at pci0 dev 26 function 0 "Intel 9 Series USB" rev 0x00: apic 8 int 20 usb1 at ehci0: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 azalia1 at pci0 dev 27 function 0 "Intel 9 Series HD Audio" rev 0x00: msi azalia1: codecs: Realtek/0x0887 audio0 at azalia1 ppb1 at pci0 dev 28 function 0 "Intel 9 Series PCIE" rev 0xd0: msi pci2 at ppb1 bus 2 ppb2 at pci0 dev 28 function 2 "Intel 9 Series PCIE" rev 0xd0: msi pci3 at ppb2 bus 3 re0 at pci3 dev 0 function 0 "Realtek 8168" rev 0x11: RTL8168G/8111G (0x4c00), msi, address 08:62:66:2e:95:0a rgephy0 at re0 phy 7: RTL8251 PHY, rev. 0 ppb3 at pci0 dev 28 function 3 "Intel 9 Series PCIE" rev 0xd0: msi pci4 at ppb3 bus 4 vendor "Conexant", unknown product 0x8880 (class multimedia subclass video, rev 0x04) at pci4 dev 0 function 0 not configured ehci1 at pci0 dev 29 function 0 "Intel 9 Series USB" rev 0x00: apic 8 int 23 usb2 at ehci1: USB revision 2.0 uhub2 at usb2 "Intel EHCI root hub" rev 2.00/1.00 addr 1 pcib0 at pci0 dev 31 function 0 "Intel H97 LPC" rev 0x00 ahci0 at pci0 dev 31 function 2 "Intel 9 Series AHCI" rev 0x00: msi, AHCI 1.3 ahci0: port 0: 6.0Gb/s ahci0: port 1: 6.0Gb/s ahci0: port 2: 6.0Gb/s ahci0: port 3: 6.0Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, Hitachi HDS5C302, ML6O> SCSI3 0/direct fixed naa.5000cca369cec8f2 sd0: 1907729MB, 512 bytes/sector, 3907029168 sectors sd1 at scsibus1 targ 1 lun 0: <ATA, TS64GSSD340, SVN4> SCSI3 0/direct fixed naa.5000000000000000 sd1: 61057MB, 512 bytes/sector, 125045424 sectors, thin sd2 at scsibus1 targ 2 lun 0: <ATA, ST2000VM003-1CT1, SC23> SCSI3 0/direct fixed naa.5000c50072de892f sd2: 1907729MB, 512 bytes/sector, 3907029168 sectors sd3 at scsibus1 targ 3 lun 0: <ATA, TS64GSSD340, SVN4> SCSI3 0/direct fixed naa.5000000000000000 sd3: 61057MB, 512 bytes/sector, 125045424 sectors, thin ichiic0 at pci0 dev 31 function 3 "Intel 9 Series SMBus" rev 0x00: apic 8 int 18 iic0 at ichiic0 spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM PC3-12800 spdmem2 at iic0 addr 0x52: 8GB DDR3 SDRAM PC3-12800 spdmem3 at iic0 addr 0x53: 8GB DDR3 SDRAM PC3-12800 isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo 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 uhidev0 at uhub0 port 14 configuration 1 interface 0 "Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.26 addr 2 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd1 at ukbd0 mux 1 uhidev1 at uhub0 port 14 configuration 1 interface 1 "Lite-On Technology Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.26 addr 2 uhidev1: iclass 3/0, 4 report ids ums0 at uhidev1 reportid 1: 3 buttons wsmouse0 at ums0 mux 0 uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 3: input=3, output=1, feature=0 uhid2 at uhidev1 reportid 4: input=0, output=0, feature=4 uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 uhub4 at uhub2 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd1a (8e9ad79095874a2d.a) swap on sd1b dump on sd1b WARNING: / was not properly unmounted error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff drm:pid0:drm_do_get_edid *WARNING* DVI-I-1: Ignoring invalid EDID block 1. error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff error: [drm:pid0:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 128 Raw EDID: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff drm:pid0:drm_do_get_edid *WARNING* DVI-I-2: Ignoring invalid EDID block 1. radeondrm0: 2560x1440 wsdisplay0 at radeondrm0 mux 1: console (std, vt100 emulation), using wskbd0 wskbd1: connecting to wsdisplay0 wsdisplay0: screen 1-5 added (std, vt100 emulation)