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2017年03月24日(金) 旧暦 [n年日記] [更新:"2017/03/25 02:12:30"]#1 [NetBSD] /var/crash and crash command
If you have crash, the information may have been saved at
/var/crash directory.
To dig into that info, do following.
sudo -s; cd /var/crash; gunzip netbsd.16.gz gunzip netbsd.16.core.gzcheck date CF-N10@makoto 10:41:35/170325(/var/log)% ls -l /var/crash/*16* -rw------- 1 root wheel 1692465 Mar 12 19:05 /var/crash/netbsd.16 -rw------- 1 root wheel 210771480 Mar 12 19:05 /var/crash/netbsd.16.core Mar 12 19:03:40 CF-N10 /netbsd: iwn0: scan request(1) while scanning(0) ignored Mar 12 19:04:10 CF-N10 /netbsd: acpi0: entering state S3 Mar 12 19:05:02 CF-N10 syslogd[186]: restart Mar 12 19:05:02 CF-N10 /netbsd: i915drmkms0: interrupting at ioapic0 pin 16 (i915) Mar 12 19:05:02 CF-N10 /netbsd: drm: Wrong MCH_SSKPD value: 0x17050407 Mar 12 19:05:02 CF-N10 /netbsd: drm: This can cause pipe underruns and display issues. Mar 12 19:05:02 CF-N10 /netbsd: drm: Please upgrade your BIOS to fix this. Mar 12 19:05:02 CF-N10 /netbsd: ppb0: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb1: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb2: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb2: link is x1 @ 2.5GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb3: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb3: link is x1 @ 2.5GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb4: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 5.0GT/s Mar 12 19:05:02 CF-N10 /netbsd: ppb4: link is x1 @ 2.5GT/s Mar 12 19:05:02 CF-N10 /netbsd: ahcisata0 port 0: device present, speed: 3.0Gb/s Mar 12 19:05:02 CF-N10 /netbsd: drm: Enabling RC6 states: RC6 on, RC6p off, RC6pp off Mar 12 19:05:02 CF-N10 /netbsd: ahcisata0 port 1: PHY offline Mar 12 19:05:02 CF-N10 /netbsd: ahcisata0 port 0: device present, speed: 3.0Gb/s Mar 12 19:05:02 CF-N10 /netbsd: cbb0: interrupting at ioapic0 pin 19 Mar 12 19:05:02 CF-N10 /netbsd: fatal protection fault in supervisor mode Mar 12 19:05:02 CF-N10 /netbsd: trap type 4 code 0 rip ffffffff802824ba cs 8 rflags 10046 cr2 ffff800047ea40be ilevel 8 rsp fffffe8040b3aec8 Mar 12 19:05:02 CF-N10 /netbsd: curlwp 0xfffffe811c2ddb60 pid 343.1 lowest kstack 0xfffffe8040b382c0 Mar 12 19:05:02 CF-N10 /netbsd: fatal protection fault in supervisor mode Mar 12 19:05:02 CF-N10 /netbsd: panic: trap Mar 12 19:05:02 CF-N10 /netbsd: cpu2: Begin traceback... Mar 12 19:05:02 CF-N10 /netbsd: trap type 4 code 0 rip ffffffff802824ba cs 8 rflags 10046 cr2 7f7ff7b05020 ilevel 8 rsp fffffe8040b1fec8 Mar 12 19:05:02 CF-N10 /netbsd: curlwp 0xfffffe81083686e0 pid 543.1 lowest kstack 0xfffffe8040b1d2c0 Mar 12 19:05:02 CF-N10 /netbsd: vpanic() at netbsd:vpanic+0x13c Mar 12 19:05:02 CF-N10 /netbsd: snprintf() at netbsd:snprintf Mar 12 19:05:02 CF-N10 /netbsd: startlwp() at netbsd:startlwp Mar 12 19:05:02 CF-N10 /netbsd: alltraps() at netbsd:alltraps+0x96 Mar 12 19:05:02 CF-N10 /netbsd: cpu2: End traceback... Mar 12 19:05:02 CF-N10 /netbsd: Mar 12 19:05:02 CF-N10 /netbsd: dumping to dev 0,1 (offset=3064, size=1019705): Mar 12 19:05:02 CF-N10 /netbsd: dump CF-N10@root 10:37:57/170325(/var/crash)% crash -M netbsd.16.core -N netbsd.16 Crash version 7.1_RC2, image version 7.1_RC1. WARNING: versions differ, you may not be able to examine this image. System panicked: trap Backtrace from time of crash is available. crash> bt _KERNEL_OPT_NARCNET() at 0 _KERNEL_OPT_ACPI_SCANPCI() at _KERNEL_OPT_ACPI_SCANPCI+0x7 vpanic() at vpanic+0x145 snprintf() at snprintf startlwp() at startlwp calltrap() at calltrap+0x11 crash> crash> ps PID LID S CPU FLAGS STRUCT LWP * NAME WAIT 661 1 2 0 8020000 fffffe811905c020 sysctl 588 1 3 0 8020080 fffffe8116cae880 sh wait 171 1 3 0 8020080 fffffe81085a4b40 sh pipe_rd 137 1 3 0 8020080 fffffe811a01c340 sh pipe_rd 42 1 3 0 8020080 fffffe8108368b00 sh wait 543 > 1 7 3 8020000 fffffe81083686e0 top 542 1 8 0 8020000 fffffe81083ac2e0 sh 525 1 3 0 8020080 fffffe811a009360 getty ttyraw 537 1 3 0 8020080 fffffe811a009780 getty ttyraw 516 1 3 0 8020080 fffffe81085a4300 getty ttyraw 515 1 3 0 8020080 fffffe8108019280 login wait 509 1 2 0 8020000 fffffe8119375000 cron 476 1 3 0 8020080 fffffe8119375420 inetd kqueue 399 1 2 0 8020000 fffffe811c2dd740 sendmail 343 > 1 7 2 0 fffffe811c2ddb60 sendmail 391 1 3 0 8020080 fffffe811a01c760 sshd select 358 1 3 0 8020080 fffffe811a009ba0 powerd wait 334 1 2 3 8020000 fffffe811c2dd320 ifwatchd 186 1 3 1 8020000 fffffe81085a4720 syslogd uvn_fp2 1 1 3 0 8020080 fffffe8107eab660 init wait 0 72 3 0 200 fffffe8107efe680 physiod physiod 0 71 3 0 200 fffffe81080196a0 aiodoned aiodoned 0 70 3 3 200 fffffe8108019ac0 ioflush tstile 0 69 3 0 200 fffffe8107efe260 pgdaemon pgdaemon 0 65 3 0 200 fffffe8107da81c0 usb1 usbevt 0 64 3 0 200 fffffe8107efeaa0 usb0 usbevt 0 63 3 0 200 fffffe8107e8f1e0 coretemp1 coretemp1 0 62 3 0 200 fffffe8107e70a40 coretemp0 coretemp0 0 61 3 0 200 fffffe8107e70620 acpitz1 acpitz1 0 60 3 0 200 fffffe8107e70200 acpitz0 acpitz0 0 59 3 0 200 fffffe8107e8f600 acpibat0 acpibat0 0 58 3 0 200 fffffe8107eab240 cryptoret crypto_w 0 57 3 0 200 fffffe8107eaba80 unpgc unpgc 0 56 2 1 200 fffffe8107e79a60 vmem_rehash 0 55 3 0 200 fffffe8107e79220 sdmmc1 mmctaskq 0 54 3 0 200 fffffe8107e79640 sdmmc0 mmctaskq 0 45 3 2 200 fffffe8107da85e0 iic0 iicintr 0 44 3 0 200 fffffe8107da8a00 atabus1 atath 0 43 3 0 200 fffffe8107b9e1a0 atabus0 atath 0 42 3 0 200 fffffe8107b9e5c0 cardslot0 cardslotev 0 41 3 0 200 fffffe8107b9e9e0 usbtask-dr usbtsk 0 40 3 0 200 fffffe81073dc180 usbtask-hc usbtsk 0 39 3 0 200 fffffe81073dc5a0 intelfb intelfb 0 38 3 0 200 fffffe81073dc9c0 i915 i915 0 37 3 0 200 fffffe8107200160 lnxsyswq lnxsyswq 0 36 3 0 200 fffffe8107200580 pms0 pmsreset 0 35 3 0 200 fffffe81072009a0 acpiec sci thre ecsci 0 34 3 3 200 fffffe810713f140 xcall/3 xcall 0 33 1 3 200 fffffe810713f560 softser/3 0 32 1 3 200 fffffe810713f980 softclk/3 0 31 1 3 200 fffffe8107130120 softbio/3 0 30 1 3 200 fffffe8107130540 softnet/3 0 29 1 3 201 fffffe8107130960 idle/3 0 28 3 2 200 fffffe8107143100 xcall/2 xcall 0 27 1 2 200 fffffe8107143520 softser/2 0 26 1 2 200 fffffe8107143940 softclk/2 0 25 1 2 200 fffffe81071320e0 softbio/2 0 24 1 2 200 fffffe8107132500 softnet/2 0 23 1 2 201 fffffe8107132920 idle/2 0 22 3 1 200 fffffe81071230c0 xcall/1 xcall 0 21 1 1 200 fffffe81071234e0 softser/1 0 20 1 1 200 fffffe8107123900 softclk/1 0 19 1 1 200 fffffe810711c0a0 softbio/1 0 18 1 1 200 fffffe810711c4c0 softnet/1 0 17 1 1 201 fffffe810711c8e0 idle/1 0 16 2 1 200 fffffe811d30b080 sysmon 0 15 3 0 200 fffffe811d30b4a0 pmfsuspend pmfsuspend 0 14 3 0 200 fffffe811d30b8c0 pmfevent pmfevent 0 13 3 0 200 fffffe811db27060 sopendfree sopendfr 0 12 3 0 200 fffffe811db27480 nfssilly nfssilly 0 11 3 3 200 fffffe811db278a0 cachegc cachegc 0 10 3 3 200 fffffe811e12a040 vrele vrele 0 9 2 1 200 fffffe811e12a460 vdrain 0 8 3 0 200 fffffe811e12a880 modunload mod_unld 0 7 3 0 200 fffffe811e136020 xcall/0 xcall 0 6 1 0 200 fffffe811e136440 softser/0 0 5 1 0 200 fffffe811e136860 softclk/0 0 4 1 0 200 fffffe811e13f000 softbio/0 0 3 1 0 200 fffffe811e13f420 softnet/0 0 2 1 0 201 fffffe811e13f840 idle/0 0 > 1 7 1 200 ffffffff80fe5460 swapper crash> ( つっこみ )
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