Hi Stuart, On 10/29/15 10:06, Stuart Henderson wrote: > > You'll need ddb.console=1 in sysctl.conf and reboot if you don't have > it already (it needs changing before securelevel is set).
Check: diff --git a/sysctl.conf b/sysctl.conf index 0722eac..ff5f0d4 100644 --- a/sysctl.conf +++ b/sysctl.conf @@ -26,8 +26,8 @@ net.inet6.ip6.forwarding=1 # 1=Permit forwarding (routing) of IPv6 packets #net.inet.carp.preempt=1 # 1=Enable carp(4) preemption #net.inet.carp.log=3 # log level of carp(4) info, default 2 #net.pipex.enable=1 # 1=Enable pipex(4) for npppd(8) -#ddb.panic=0 # 0=Do not drop into ddb on a kernel panic -#ddb.console=1 # 1=Permit entry of ddb from the console +ddb.panic=1 # 0=Do not drop into ddb on a kernel panic +ddb.console=1 # 1=Permit entry of ddb from the console #fs.posix.setuid=0 # 0=Traditional BSD chown() semantics #vm.swapencrypt.enable=0 # 0=Do not encrypt pages that go to swap #vfs.nfs.iothreads=4 # Number of nfsio kernel threads > Test it before > the system hangs otherwise you won't be able to distinguish between BREAK > not working and the OS not being able to enter DDB. Check: "~~b" does the trick. Its an opengear CM4116 terminal server. The second '~' is needed for ssh. > > A trick if your console server can't send BREAK: set the speed to 300 baud > and send ^A. (BREAK is just the tx line being held at 0 for longer than > it would take to send a normal frame). > >> Since both hosts are affected and since 5.7 was fine >> (AFAICR) it appears to me to be a software issue. I just >> wonder if anybody experienced the same problem? > > What software do the systems run? > It is a gateway between an internal network and the internet. It does packet filtering, and it runs dnsmasq on the internal side. > Are they pingable when they hang? > No, its dead. Only one host is active, the other is a cold spare I used for making sure its not some faulty hardware. >> [demime 1.01d removed an attachment of type text/x-log which had a name of >> dmesg.log] > > This list doesn't aaccept attachments, please send it in-line. > See below. Hope this helps. Harri ----------------------------------------------------------------------------------------- OpenBSD 5.8-stable (GENERIC.DEBUG) #0: Thu Oct 29 08:21:11 CET 2015 r...@redgate.red.aixigo.de:/usr/src/sys/arch/amd64/compile/GENERIC.DEBUG real mem = 4161720320 (3968MB) avail mem = 4031696896 (3844MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xec1e0 (76 entries) bios0: vendor American Megatrends Inc. version "1.00" date 08/21/2014 bios0: Shuttle Inc. DS87D acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC FPDT SLIC SSDT SSDT MCFG HPET SSDT SSDT acpi0: wakeup devices PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4) PXSX(S4) RP07(S4) PXSX(S4) RP08(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) i3-4150 CPU @ 3.50GHz, 3492.38 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,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,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) i3-4150 CPU @ 3.50GHz, 3491.92 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,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT cpu1: 256KB 64b/line 8-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 1 (application processor) cpu2: Intel(R) Core(TM) i3-4150 CPU @ 3.50GHz, 3491.92 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,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT cpu2: 256KB 64b/line 8-way L2 cache cpu2: smt 1, core 0, package 0 cpu3 at mainbus0: apid 3 (application processor) cpu3: Intel(R) Core(TM) i3-4150 CPU @ 3.50GHz, 3491.92 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,EST,TM2,SSSE3,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,LONG,LAHF,ABM,PERF,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,SENSOR,ARAT cpu3: 256KB 64b/line 8-way L2 cache cpu3: smt 1, core 1, 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 (RP01) acpiprt2 at acpi0: bus 2 (RP03) acpiprt3 at acpi0: bus 3 (RP04) acpiprt4 at acpi0: bus -1 (PEG0) acpiec0 at acpi0: not present acpicpu0 at acpi0: C2(500@67 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C2(500@67 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu2 at acpi0: C2(500@67 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C2(500@67 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpipwrres0 at acpi0: FN00, resource for FAN0 acpipwrres1 at acpi0: FN01, resource for FAN1 acpipwrres2 at acpi0: FN02, resource for FAN2 acpipwrres3 at acpi0: FN03, resource for FAN3 acpipwrres4 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 3492 MHz: speeds: 3500, 3300, 3100, 3000, 2800, 2600, 2400, 2200, 2100, 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 vga1 at pci0 dev 2 function 0 "Intel HD Graphics 4600" rev 0x06 intagp at vga1 not configured inteldrm0 at vga1 drm0 at inteldrm0 error: [drm:pid0:i915_write32] *ERROR* Unknown unclaimed register before writing to 100000 inteldrm0: 1280x1024 wsdisplay0 at vga1 mux 1: console (std, vt100 emulation) wsdisplay0: screen 1-5 added (std, vt100 emulation) azalia0 at pci0 dev 3 function 0 "Intel Core 4G HD Audio" rev 0x06: msi azalia0: No codecs found xhci0 at pci0 dev 20 function 0 "Intel 8 Series xHCI" rev 0x05: msi usb0 at xhci0: USB revision 3.0 uhub0 at usb0 "Intel xHCI root hub" rev 3.00/1.00 addr 1 "Intel 8 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured ehci0 at pci0 dev 26 function 0 "Intel 8 Series USB" rev 0x05: apic 8 int 16 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 8 Series HD Audio" rev 0x05: msi azalia1: codecs: Realtek/0x0892 audio0 at azalia1 ppb0 at pci0 dev 28 function 0 "Intel 8 Series PCIE" rev 0xd5: msi pci1 at ppb0 bus 1 ppb1 at pci0 dev 28 function 2 "Intel 8 Series PCIE" rev 0xd5: msi pci2 at ppb1 bus 2 re0 at pci2 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00), msi, address 80:ee:73:a7:67:29 rgephy0 at re0 phy 7: RTL8251 PHY, rev. 0 ppb2 at pci0 dev 28 function 3 "Intel 8 Series PCIE" rev 0xd5: msi pci3 at ppb2 bus 3 re1 at pci3 dev 0 function 0 "Realtek 8168" rev 0x0c: RTL8168G/8111G (0x4c00), msi, address 80:ee:73:a7:67:2b rgephy1 at re1 phy 7: RTL8251 PHY, rev. 0 ehci1 at pci0 dev 29 function 0 "Intel 8 Series USB" rev 0x05: 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 H87 LPC" rev 0x05 ahci0 at pci0 dev 31 function 2 "Intel 8 Series AHCI" rev 0x05: msi, AHCI 1.3 ahci0: port 0: 6.0Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, SanDisk SD6SF1M0, X231> SCSI3 0/direct fixed naa.5001b44bee76c279 sd0: 61057MB, 512 bytes/sector, 125045424 sectors, thin ichiic0 at pci0 dev 31 function 3 "Intel 8 Series SMBus" rev 0x05: apic 8 int 18 iic0 at ichiic0 spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-12800 SO-DIMM isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com0: console com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 it0 at isa0 port 0x2e/2: IT8728F rev 1, EC port 0xa30 uhub3 at uhub0 port 7 "Genesys Logic USB2.0 Hub" rev 2.00/85.37 addr 2 uhub0: port 8, set config 0 at addr 3 failed uhub0: device problem, disabling port 8 uhidev0 at uhub0 port 9 configuration 1 interface 0 "Cherry Mikroschalter product 0x0011" rev 2.00/1.00 addr 3 uhidev0: iclass 3/1 ukbd0 at uhidev0: 8 variable keys, 6 key codes wskbd0 at ukbd0: console keyboard, using wsdisplay0 uhub4 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.05 addr 2 uhub5 at uhub2 port 1 "Intel Rate Matching Hub" rev 2.00/0.05 addr 2 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on sd0a (98ce338573a4f9d5.a) swap on sd0b dump on sd0b