>Number:         29291
>Category:       kern
>Synopsis:       No kernel crash dump on panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Feb 08 16:55:00 +0000 2005
>Originator:     Jens Kessmeier
>Release:        2.0
>Organization:
TELES AG
>Environment:
NetBSD iswitch2.teles.de 2.0 NetBSD 2.0 (ISWITCH) #17: Thu Feb  3 12:46:08  2005  admin@COMPILE:/usr2/isdn/NetBSD-2.0/usr/src/sys/arch/i386/compile/ISWITCH i386

>Description:
A LKM, called tlsload, owns an interface to trigger a kernel crash dump. This interface calls panic. I think, the expected result is a
kernel crash dump or core dump, but no dump is written.

Feb  8 13:17:06 iswitch2 /netbsd: panic: BUGCHECK: 0x47110005 0x1 0xbbbbbbbb 0xcccccccc 0xdddddddd
Feb  8 13:17:06 iswitch2 /netbsd: 
Feb  8 13:17:06 iswitch2 /netbsd: Begin traceback...
Feb  8 13:17:06 iswitch2 /netbsd: load_bug_check(47110005,1,bbbbbbbb,cccccccc,dddddddd) at tlsload:load_bug_check+0x1f
Feb  8 13:17:06 iswitch2 /netbsd: tlsload_ioctl(a500,20004c12,c5146ea4,1,c4bcde5c) at tlsload:tlsload_ioctl+0x217
Feb  8 13:17:06 iswitch2 /netbsd: spec_ioctl(c5146d84,c0de095c,c5146dcc,c0759ff0,c05b8100) at netbsd:spec_ioctl+0x49
Feb  8 13:17:06 iswitch2 /netbsd: VOP_IOCTL2(c5686cd4,20004c12,c5146ea4,1,c0af2e80) at netbsd:VOP_IOCTL2+0x46
Feb  8 13:17:06 iswitch2 /netbsd: vn_ioctl(c4bc79d8,20004c12,c5146ea4,c4bcde5c,0) at netbsd:vn_ioctl+0x7b
Feb  8 13:17:06 iswitch2 /netbsd: sys_ioctl(c4b9ab58,c5146f64,c5146f5c,0,c0b57000) at netbsd:sys_ioctl+0x122
Feb  8 13:17:06 iswitch2 /netbsd: syscall_plain() at netbsd:syscall_plain+0x7e
Feb  8 13:17:06 iswitch2 /netbsd: --- syscall (number 54) ---
Feb  8 13:17:06 iswitch2 /netbsd: 0x480f43b3:
Feb  8 13:17:06 iswitch2 /netbsd: End traceback...
Feb  8 13:17:06 iswitch2 /netbsd: syncing disks... 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 giving up
Feb  8 13:17:06 iswitch2 /netbsd: 
Feb  8 13:17:06 iswitch2 /netbsd: dumping to dev 4,1 offset 1511
Feb  8 13:17:06 iswitch2 /netbsd: dump i/o error
Feb  8 13:17:06 iswitch2 /netbsd: 
Feb  8 13:17:06 iswitch2 /netbsd: 
Feb  8 13:17:06 iswitch2 /netbsd: sd0(ahc1:0:6:0): polling command not done
Feb  8 13:17:06 iswitch2 /netbsd: panic: scsipi_execute_xs
Feb  8 13:17:06 iswitch2 /netbsd: Begin traceback...
Feb  8 13:17:06 iswitch2 /netbsd: scsipi_execute_xs(c0b85128,c5146c14,a,0,a) at netbsd:scsipi_execute_xs+0x1b9
Feb  8 13:17:06 iswitch2 /netbsd: scsi_scsipi_cmd(c0bcc400,0,c5146c14,a,0) at netbsd:scsi_scsipi_cmd+0x2e
Feb  8 13:17:06 iswitch2 /netbsd: scsipi_command(c0bcc400,0,c5146c14,a,0) at netbsd:scsipi_command+0x48
Feb  8 13:17:06 iswitch2 /netbsd: sd_flush(c0bcd600,3,1,c4b9ab58,100) at netbsd:sd_flush+0x6d
Feb  8 13:17:06 iswitch2 /netbsd: sd_shutdown(c0bcd600,0,0,100,100) at netbsd:sd_shutdown+0x23
Feb  8 13:17:07 iswitch2 /netbsd: doshutdownhooks(c50a2280,0,c5146cbc,c037bf18,100) at netbsd:doshutdownhooks+0x2a
Feb  8 13:17:07 iswitch2 /netbsd: cpu_reboot(100,0,c4bb4a50,c4bafb88,1852) at netbsd:cpu_reboot+0x5e
Feb  8 13:17:07 iswitch2 /netbsd: panic(c50a2280,47110005,1,bbbbbbbb,cccccccc) at netbsd:panic+0x108
Feb  8 13:17:07 iswitch2 /netbsd: load_bug_check(47110005,1,bbbbbbbb,cccccccc,dddddddd) at tlsload:load_bug_check+0x1f
Feb  8 13:17:07 iswitch2 /netbsd: tlsload_ioctl(a500,20004c12,c5146ea4,1,c4bcde5c) at tlsload:tlsload_ioctl+0x217
Feb  8 13:17:07 iswitch2 /netbsd: spec_ioctl(c5146d84,c0de095c,c5146dcc,c0759ff0,c05b8100) at netbsd:spec_ioctl+0x49
Feb  8 13:17:07 iswitch2 /netbsd: VOP_IOCTL2(c5686cd4,20004c12,c5146ea4,1,c0af2e80) at netbsd:VOP_IOCTL2+0x46
Feb  8 13:17:07 iswitch2 /netbsd: vn_ioctl(c4bc79d8,20004c12,c5146ea4,c4bcde5c,0) at netbsd:vn_ioctl+0x7b
Feb  8 13:17:07 iswitch2 /netbsd: sys_ioctl(c4b9ab58,c5146f64,c5146f5c,0,c0b57000) at netbsd:sys_ioctl+0x122
Feb  8 13:17:07 iswitch2 /netbsd: syscall_plain() at netbsd:syscall_plain+0x7e
Feb  8 13:17:07 iswitch2 /netbsd: --- syscall (number 54) ---
Feb  8 13:17:07 iswitch2 /netbsd: 0x480f43b3:
Feb  8 13:17:07 iswitch2 /netbsd: End traceback...
Feb  8 13:17:07 iswitch2 /netbsd: 
Feb  8 13:17:07 iswitch2 /netbsd: dumping to dev 4,1 offset 1511
Feb  8 13:17:07 iswitch2 /netbsd: dump device not ready
Feb  8 13:17:07 iswitch2 /netbsd: 
Feb  8 13:17:07 iswitch2 /netbsd: 
Feb  8 13:17:07 iswitch2 /netbsd: rebooting...
Feb  8 13:17:07 iswitch2 /netbsd: NetBSD 2.0 (ISWITCH) #17: Thu Feb  3 12:46:08  2005
Feb  8 13:17:07 iswitch2 /netbsd: 	admin@COMPILE:/usr2/isdn/NetBSD-2.0/usr/src/sys/arch/i386/compile/ISWITCH
Feb  8 13:17:07 iswitch2 /netbsd: total memory = 127 MB
Feb  8 13:17:07 iswitch2 /netbsd: avail memory = 117 MB
Feb  8 13:17:07 iswitch2 /netbsd: BIOS32 rev. 0 found at 0xfd820
Feb  8 13:17:07 iswitch2 /netbsd: mainbus0 (root)
Feb  8 13:17:07 iswitch2 /netbsd: cpu0 at mainbus0: (uniprocessor)
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: Intel Mobile Pentium II (686-class), 333.29 MHz, id 0x66a
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: features 183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR>
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: features 183f9ff<PGE,MCA,CMOV,PAT,PSE36,MMX>
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: features 183f9ff<FXSR>
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: I-cache 16 KB 32B/line 4-way, D-cache 16 KB 32B/line 4-way
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: L2 cache 256 KB 32B/line 4-way
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: ITLB 32 4 KB entries 4-way, 2 4 MB entries fully associative
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: DTLB 64 4 KB entries 4-way, 8 4 MB entries 4-way
Feb  8 13:17:07 iswitch2 /netbsd: cpu0: 16 page colors
Feb  8 13:17:07 iswitch2 /netbsd: pci0 at mainbus0 bus 0: configuration mode 1
Feb  8 13:17:07 iswitch2 /netbsd: pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
Feb  8 13:17:07 iswitch2 /netbsd: pchb0 at pci0 dev 0 function 0
Feb  8 13:17:07 iswitch2 /netbsd: pchb0: Intel 82443BX Host Bridge/Controller (rev. 0x03)
Feb  8 13:17:07 iswitch2 /netbsd: agp0 at pchb0: aperture at 0xf8000000, size 0x4000000
Feb  8 13:17:07 iswitch2 /netbsd: ppb0 at pci0 dev 1 function 0: Intel 82443BX AGP Interface (rev. 0x03)
Feb  8 13:17:08 iswitch2 /netbsd: pci1 at ppb0 bus 1
Feb  8 13:17:08 iswitch2 /netbsd: pci1: i/o space, memory space enabled
Feb  8 13:17:08 iswitch2 /netbsd: vga1 at pci1 dev 0 function 0: Intel i740 Graphics Accelerator (rev. 0x21)
Feb  8 13:17:08 iswitch2 /netbsd: wsdisplay0 at vga1 kbdmux 1: console (80x25, vt100 emulation)
Feb  8 13:17:08 iswitch2 /netbsd: wsmux1: connecting to wsdisplay0
Feb  8 13:17:08 iswitch2 /netbsd: pcib0 at pci0 dev 7 function 0
Feb  8 13:17:08 iswitch2 /netbsd: pcib0: Intel 82371AB PCI-to-ISA Bridge (PIIX4) (rev. 0x02)
Feb  8 13:17:08 iswitch2 /netbsd: piixide0 at pci0 dev 7 function 1
Feb  8 13:17:08 iswitch2 /netbsd: piixide0: Intel 82371AB IDE controller (PIIX4) (rev. 0x01)
Feb  8 13:17:08 iswitch2 /netbsd: piixide0: device disabled (at device)
Feb  8 13:17:08 iswitch2 /netbsd: uhci0 at pci0 dev 7 function 2: Intel 82371AB USB Host Controller (PIIX4) (rev. 0x01)
Feb  8 13:17:08 iswitch2 /netbsd: uhci0: interrupting at irq 10
Feb  8 13:17:08 iswitch2 /netbsd: usb0 at uhci0: USB revision 1.0
Feb  8 13:17:08 iswitch2 /netbsd: uhub0 at usb0
Feb  8 13:17:09 iswitch2 /netbsd: uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Feb  8 13:17:09 iswitch2 /netbsd: uhub0: 2 ports with 2 removable, self powered
Feb  8 13:17:09 iswitch2 /netbsd: Intel 82371AB Power Management Controller (PIIX4) (miscellaneous bridge, revision 0x02) at pci0 dev 7 function 3 not configured
Feb  8 13:17:09 iswitch2 /netbsd: ppb1 at pci0 dev 17 function 0: Digital Equipment DECchip 21150 PCI-PCI Bridge (rev. 0x04)
Feb  8 13:17:09 iswitch2 /netbsd: pci2 at ppb1 bus 2
Feb  8 13:17:09 iswitch2 /netbsd: pci2: i/o space, memory space enabled, rd/line, wr/inv ok
Feb  8 13:17:09 iswitch2 /netbsd: fxp0 at pci0 dev 18 function 0: i82559 Ethernet, rev 8
Feb  8 13:17:09 iswitch2 /netbsd: fxp0: interrupting at irq 5
Feb  8 13:17:09 iswitch2 /netbsd: fxp0: Ethernet address 08:00:3e:2a:36:63
Feb  8 13:17:09 iswitch2 /netbsd: inphy0 at fxp0 phy 1: i82555 10/100 media interface, rev. 4
Feb  8 13:17:09 iswitch2 /netbsd: inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
Feb  8 13:17:09 iswitch2 /netbsd: fxp1 at pci0 dev 19 function 0: i82559 Ethernet, rev 8
Feb  8 13:17:09 iswitch2 /netbsd: fxp1: interrupting at irq 10
Feb  8 13:17:09 iswitch2 /netbsd: fxp1: Ethernet address 08:00:3e:2a:36:62
Feb  8 13:17:09 iswitch2 /netbsd: inphy1 at fxp1 phy 1: i82555 10/100 media interface, rev. 4
Feb  8 13:17:09 iswitch2 /netbsd: inphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
Feb  8 13:17:09 iswitch2 /netbsd: ahc1 at pci0 dev 20 function 0: Adaptec aic7880 Ultra SCSI adapter
Feb  8 13:17:09 iswitch2 /netbsd: ahc1: interrupting at irq 10
Feb  8 13:17:09 iswitch2 /netbsd: ahc1: aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs
Feb  8 13:17:09 iswitch2 /netbsd: scsibus0 at ahc1: 16 targets, 8 luns per target
Feb  8 13:17:09 iswitch2 /netbsd: isa0 at pcib0
Feb  8 13:17:10 iswitch2 /netbsd: com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
Feb  8 13:17:10 iswitch2 /netbsd: com1 at isa0 port 0x2f8-0x2ff irq 3: ns16550a, working fifo
Feb  8 13:17:10 iswitch2 /netbsd: pckbc0 at isa0 port 0x60-0x64
Feb  8 13:17:10 iswitch2 /netbsd: pckbd0 at pckbc0 (kbd slot)
Feb  8 13:17:10 iswitch2 /netbsd: pckbc0: using irq 1 for kbd slot
Feb  8 13:17:10 iswitch2 /netbsd: wskbd0 at pckbd0: console keyboard, using wsdisplay0
Feb  8 13:17:10 iswitch2 /netbsd: pms0 at pckbc0 (aux slot)
Feb  8 13:17:10 iswitch2 /netbsd: pckbc0: using irq 12 for aux slot
Feb  8 13:17:10 iswitch2 /netbsd: wsmouse0 at pms0 mux 0
Feb  8 13:17:10 iswitch2 /netbsd: pcppi0 at isa0 port 0x61
Feb  8 13:17:10 iswitch2 /netbsd: midi0 at pcppi0: PC speaker
Feb  8 13:17:10 iswitch2 /netbsd: sysbeep0 at pcppi0
Feb  8 13:17:10 iswitch2 /netbsd: isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
Feb  8 13:17:10 iswitch2 /netbsd: npx0 at isa0 port 0xf0-0xff: using exception 16
Feb  8 13:17:10 iswitch2 /netbsd: fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
Feb  8 13:17:10 iswitch2 /netbsd: isapnp0: no ISA Plug 'n Play devices found
Feb  8 13:17:10 iswitch2 /netbsd: fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
Feb  8 13:17:10 iswitch2 /netbsd: Kernelized RAIDframe activated
Feb  8 13:17:10 iswitch2 /netbsd: scsibus0: waiting 2 seconds for devices to settle...
Feb  8 13:17:10 iswitch2 /netbsd: sd0 at scsibus0 target 6 lun 0: <IBM, DDRS-34560W, S97B> disk fixed
Feb  8 13:17:10 iswitch2 /netbsd: sd0: 4357 MB, 8387 cyl, 5 head, 212 sec, 512 bytes/sect x 8925000 sectors
Feb  8 13:17:10 iswitch2 /netbsd: sd0: sync (172.00ns offset 8), 16-bit (11.626MB/s) transfers, tagged queueing
Feb  8 13:17:10 iswitch2 /netbsd: boot device: sd0
Feb  8 13:17:10 iswitch2 /netbsd: root on sd0a dumps on sd0b
Feb  8 13:17:10 iswitch2 /netbsd: root file system type: ffs
Feb  8 13:17:10 iswitch2 /netbsd: wsdisplay0: screen 1 added (80x25, vt100 emulation)
Feb  8 13:17:10 iswitch2 /netbsd: wsdisplay0: screen 2 added (80x25, vt100 emulation)
Feb  8 13:17:11 iswitch2 /netbsd: wsdisplay0: screen 3 added (80x25, vt100 emulation)
Feb  8 13:17:11 iswitch2 /netbsd: wsdisplay0: screen 4 added (80x25, vt100 emulation)
Feb  8 13:17:07 iswitch2 savecore: no core dump

>How-To-Repeat:

>Fix: