rivanwang wrote: > I have some questions as follows. > Would you be so kind as to give me some suggestions? > > >
d2c84de0::findstack -v will give some clue. > ---------------------------------------------------------------------------- > ::cpuinfo -v > ID ADDR FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD PROC > 0 fec20ae4 1b 8 0 104 no no t-740847 d2c84de0 sched > | | | > RUNNING <--+ | +--> PIL THREAD > READY | 5 d2c84de0 > EXISTS | 3 d2ca0de0 > ENABLE | - d2c28de0 (idle) > | > +--> PRI THREAD PROC > 99 d2c9ade0 sched > 99 d2c97de0 sched > 60 d3264a00 fsflush > 60 d2e1ade0 sched > 60 d2e37de0 sched > 60 d4644de0 sched > 60 d96dcde0 sched > 59 d38e7400 Xsun > d2c84de0::thread > ADDR STATE FLG PFLG SFLG PRI EPRI PIL INTR DISPTIME BOUND PR > d2c84de0 onproc 809 0 3 104 0 5 d2ca0de0 0 -1 2 > d2ca0de0::thread > ADDR STATE FLG PFLG SFLG PRI EPRI PIL INTR DISPTIME BOUND PR > d2ca0de0 onproc 9 0 3 102 0 3 d2c28de0 46a51 -1 1 > d2ca0de0::findstack -v > stack pointer for thread d2ca0de0: d2ca0c2c > d2ca0de0 0xd94c62bc() > > ---------------------------------------------------------------------------- > > After I pressed "F1+A"?the kernel created the thread "d2c84de0" to give > responses to keyboard interruption(PIL = 5, PRI= 104). > but another thread "d2ca0de0",at same time, is still running on CPU. ( PIL = > 3 , PRI = 102 ). > I guess one event may causes the kernel to create the thread d2ca0de0 , but > then the kernel hangs, until I have pressed "F1+A" , the kernel creates > another thead d2c84de0 , and finally crashed down. > > I have no idea what causes the kernel to create thread d2ca0de0 > (PRI=102,PIL=3)? > > > > > > > [[ Q3 ]] > ::cpuinfo > ID ADDR FLG NRUN BSPL PRI RNRN KRNRN SWITCH THREAD PROC > 0 fec20ae4 1b 8 0 104 no no t-740847 d2c84de0 sched > ::cycinfo -v > CPU CYC_CPU STATE NELEMS ROOT FIRE HANDLER > 0 d9aabe00 online 4 d9aabd80 96b6b848e80 clock > > 2 > | > +------------------+------------------+ > 0 1 > | | > +---------+--------+ +---------+---------+ > 3 > | > +----+----+ > > ADDR NDX HEAP LEVL PEND FIRE USECINT HANDLER > d9aabd80 0 1 high 0 96b6b848e80 10000 cbe_hres_tick > d9aabda0 1 2 low 741253 96b6b848e80 10000 > apic_redistribute_compute > d9aabdc0 2 0 lock 406 96b6b848e80 10000 clock > d9aabde0 3 3 high 0 96b6d4e5200 1000000 deadman > > ----------------------------------------------------------------------------------- > The value of SWITCH of thread d2c84de0 is 740847 ; > The value of PEND of apic_redistribute_compute is 741253 ; > The value of PEND of clock is 406 . > (741253 - 406) == 740847 > What does it mean ? Could you please account for it ? > > > > > > [[ Q4 ]] > > ::ipcs > Message queues: > failed to read 'msq_svc'; module not present > > Shared memory: > ADDR REF ID KEY MODE PRJID ZONEID OWNER GROUP CREAT CGRP > d4915f50 1 3 103 0666 3 0 1002 102 1002 102 > d3f0b090 1 2 101 0666 3 0 0 0 0 0 > d3f0b2c0 1 1 102 0666 3 0 1002 102 1002 102 > d3f0bbf0 1 0 100 0666 3 0 1002 102 1002 102 > > Semaphores: > ADDR REF ID KEY MODE PRJID ZONEID OWNER GROUP CREAT CGRP > d4915ee0 3 3 103 0666 3 0 1002 102 1002 102 > d3f0b1e0 3 2 101 0666 3 0 0 0 0 0 > d3f0b250 4 1 102 0666 3 0 1002 102 1002 102 > d3f0bb80 7 0 100 0666 3 0 1002 102 1002 102 > > ------------------------------------------- > I dont know what threads are accessing to the semaphore "d3f0b1e0" ? > How can I find these unkown threads? > > > > > > > ::showrev > Hostname: cetc.a28.com > Release: 5.10 > Kernel architecture: i86pc > Application architecture: i386 > Kernel version: SunOS 5.10 i86pc Generic > Platform: i86pc > > > > > ::msgbuf > MESSAGE > /pci at 0,0/pci103c,3013 at 1d,2 (uhci2): failed to attach > pcplusmp: pciclass,0c0300 (uhci) instance 3 vector 0x16 ioapic 0x1 intin 0x16 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,3 (uhci3): failed to attach > cpu0: x86 (GenuineIntel family 15 model 4 step 10 clock 3000 MHz) > cpu0: Intel(r) Pentium(r) 4 CPU 3.00GHz > NOTICE: > Broadcom NetXtreme Gigabit Ethernet Driver (32-bit) v8.3.1 > PCI-device: pci8086,27e2 at 1c,5, pci_pci3 > pci_pci3 is /pci at 0,0/pci8086,27e2 at 1c,5 > pcplusmp: pci14e4,1600 (bcme) instance 0 vector 0x11 ioapic 0x1 intin 0x11 is > bo > und to cpu 0 > NOTICE: > bcme0 : Broadcom NetXtreme Gigabit Ethernet BCM95752 (Copper) is detected > NOTICE: bcme0 : Firmware version 5752-v3.10 > NOTICE: bcme0 : No Link > pcplusmp: pci14e4,1600 (bcme) instance 0 vector 0x11 ioapic 0x1 intin 0x11 is > bo > und to cpu 0 > PCI-device: pci103c,3013 at 0, bcme0 > bcme0 is /pci at 0,0/pci8086,27e2 at 1c,5/pci103c,3013 at 0 > pcplusmp: pciclass,0c0300 (uhci) instance 0 vector 0x14 ioapic 0x1 intin 0x14 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d (uhci0): failed to attach > pcplusmp: pciclass,0c0300 (uhci) instance 1 vector 0x12 ioapic 0x1 intin 0x12 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,1 (uhci1): failed to attach > pcplusmp: pciclass,0c0300 (uhci) instance 2 vector 0x15 ioapic 0x1 intin 0x15 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,2 (uhci2): failed to attach > pcplusmp: pciclass,0c0300 (uhci) instance 3 vector 0x16 ioapic 0x1 intin 0x16 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,3 (uhci3): failed to attach > UltraDMA mode 5 selected > dump on /dev/dsk/c1d0s1 size 2047 MB > NOTICE: bcme0 : Link is Up (100Mbps, Full Duplex, Rx & Tx Flow Control ON) > pseudo-device: pm0 > pm0 is /pseudo/pm at 0 > pseudo-device: devinfo0 > devinfo0 is /pseudo/devinfo at 0 > xsvc0 at root > xsvc0 is /xsvc > pcplusmp: asy (asy) instance 0 vector 0x4 ioapic 0x1 intin 0x4 is bound to > cpu 0 > pcplusmp: asy (asy) instance 0 vector 0x4 ioapic 0x1 intin 0x4 is bound to > cpu 0 > ISA-device: asy0 > asy0 is /isa/asy at 1,3f8 > pseudo-device: pool0 > pool0 is /pseudo/pool at 0 > pseudo-device: vol0 > vol0 is /pseudo/vol at 0 > pcplusmp: ide (ata) instance 0 vector 0xe ioapic 0x1 intin 0xe is bound to > cpu 0 > pcplusmp: ide (ata) instance 0 vector 0xe ioapic 0x1 intin 0xe is bound to > cpu 0 > ATAPI device at targ 0, lun 0 lastlun 0x0 > model LITE-ON DVD SOHD-16P9S > ATA/ATAPI-6 supported, majver 0x78 minver 0x0 > PCI-device: ide at 0, ata0 > ata0 is /pci at 0,0/pci-ide at 1f,1/ide at 0 > ATA DMA off: disabled. Control with "atapi-cd-dma-enabled" property > PIO mode 4 selected > ATA DMA off: disabled. Control with "atapi-cd-dma-enabled" property > PIO mode 4 selected > sd0 at ata0: target 0 lun 0 > sd0 is /pci at 0,0/pci-ide at 1f,1/ide at 0/sd at 0,0 > device pciclass,030000 at 0(display#1) keeps up device sd at 0,0(sd#0), but > the latter > is not power managed > pcplusmp: pciclass,0c0300 (uhci) instance 3 vector 0x16 ioapic 0x1 intin 0x16 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,3 (uhci3): failed to attach > pcplusmp: pciclass,0c0300 (uhci) instance 3 vector 0x16 ioapic 0x1 intin 0x16 > is > bound to cpu 0 > /pci at 0,0/pci103c,3013 at 1d,3 (uhci3): failed to attach > pcplusmp: fdc (fdc) instance 0 vector 0x6 ioapic 0x1 intin 0x6 is bound to > cpu 0 > pcplusmp: fdc (fdc) instance 0 vector 0x6 ioapic 0x1 intin 0x6 is bound to > cpu 0 > ISA-device: fdc0 > fd0 at fdc0 > fd0 is /isa/fdc at 1,3f0/fd at 0,0 > 8042 device: mouse at 1, mouse8042 # 0 > mouse80420 is /isa/i8042 at 1,60/mouse at 1 > pseudo-device: pm0 > pm0 is /pseudo/pm at 0 > Pad8 attaching at 14:47:16, Jun 7 2001 > pad81 at root: space 0 offset ee704 > pad81 is /pad8 at 0,ee704 > Solaris x86 pad driver open. > Solaris x86 pad driver open. > pcplusmp: pci114f,5013 (dsync) instance 0 vector 0x12 ioapic 0x1 intin 0x12 > is b > ound to cpu 0 > pcplusmp: pci114f,5013 (dsync) instance 0 vector 0x12 ioapic 0x1 intin 0x12 > is b > ound to cpu 0 > WARNING: minor name <dsync1> is not compatible network driver instance <0> > WARNING: minor name <dsync2> is not compatible network driver instance <0> > WARNING: minor name <dsync3> is not compatible network driver instance <0> > NOTICE: bcme0 : No Link > NOTICE: bcme0 : Link is Up (10Mbps, Full Duplex, Rx & Tx Flow Control ON) > NOTICE: bcme0 : No Link > NOTICE: bcme0 : Link is Up (100Mbps, Full Duplex, Rx & Tx Flow Control ON) > NOTICE: bcme0 : No Link > NOTICE: bcme0 : Link is Up (100Mbps, Full Duplex, Rx & Tx Flow Control ON) > > > panic[cpu0]/thread=d2c84de0: > BAD TRAP: type=e (#pf Page fault) rp=d2c84cec addr=0 occurred in module > "<unknow > n>" due to a NULL pointer dereference > > > sched: > #pf Page fault > Bad kernel fault at addr=0x0 > pid=0, pc=0x0, sp=0x202, eflags=0x10002 > cr0: 8005003b<pg,wp,ne,et,ts,mp,pe> cr4: 6f8<xmme,fxsr,pge,mce,pae,pse,de> > cr2: 0 cr3: 4226000 > gs: 1b0 fs: 0 es: 160 ds: 160 > edi: d2f50a60 esi: fef4b2a8 ebp: d2c84d34 esp: d2c84d1c > ebx: d2f54180 edx: d2f541f8 ecx: 1f eax: fed6c870 > trp: e err: 10 eip: 0 cs: 158 > efl: 10002 usp: 202 ss: d2c84d3c > > d2c84c4c unix:die+a7 (e, d2c84cec, 0, 0) > d2c84cd8 unix:trap+f56 (d2c84cec, 0, 0) > d2c84cec unix:cmntrap+83 () > d2c84d34 0 (d2c84d44, fe81189a,) > d2c84d3c genunix:kdi_dvec_enter+a (d2c84d50, fe81183c,) > d2c84d44 unix:debug_enter+32 (0) > d2c84d50 unix:abort_sequence_enter+27 (0) > d2c84d64 kbtrans:kbtrans_streams_key+3e (d2f54180, 1f, 0) > d2c84d88 kb8042:kb8042_received_byte+b2 (fef4b1a8, 1e) > d2c84da0 kb8042:kb8042_intr+65 (fef4b1a8) > d2c84db8 i8042:i8042_intr+a4 (d2f50980) > > syncing file systems... > 2 > 2 > done > dumping to /dev/dsk/c1d0s1, offset 429391872, content: kernel > > > > ????????rivanwang > ????????rivan at vip.sina.com > ??????????2007-03-28 > > > This message posted from opensolaris.org > _______________________________________________ > mdb-discuss mailing list > mdb-discuss at opensolaris.org >
