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Date:      Mon, 12 Feb 1996 09:53:44 +0200 (EET)
From:      Heikki Suonsivu <hsu@clinet.fi>
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/1018: panic: unwire: page not in pmap
Message-ID:  <199602120753.JAA01491@katiska.clinet.fi>
Resent-Message-ID: <199602120800.AAA06152@freefall.freebsd.org>

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>Number:         1018
>Category:       kern
>Synopsis:       panic: unwire: page not in pmap
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Feb 12 00:00:01 PST 1996
>Last-Modified:
>Originator:     Heikki Suonsivu
>Organization:
Clinet, Espoo, Finland
>Release:        FreeBSD 2.2-CURRENT i386
>Environment:

sup from 12th, ended 05:04 GMT.

Feb 12 08:37:06 katiska /kernel: FreeBSD 2.2-CURRENT #11: Mon Feb 12 08:06:10 EET 1996
Feb 12 08:37:06 katiska /kernel:     hsu@katiska.clinet.fi:/usr/current/src/sys/compile/CLINETSERVER
Feb 12 08:37:06 katiska /kernel: CPU: Pentium (89.80-MHz 586-class CPU)
Feb 12 08:37:07 katiska /kernel:   Origin = "GenuineIntel"  Id = 0x525  Stepping=5
Feb 12 08:37:07 katiska /kernel:   Features=0x1bf<FPU,VME,PSE,MCE,CX8,APIC>
Feb 12 08:37:07 katiska /kernel: real memory  = 67108864 (65536K bytes)
Feb 12 08:37:07 katiska /kernel: avail memory = 63594496 (62104K bytes)
Feb 12 08:37:07 katiska /kernel: DEVFS: ready for devices
Feb 12 08:37:07 katiska /kernel: Probing for devices on PCI bus 0:
Feb 12 08:37:07 katiska /kernel: pci0:0: Silicon Integrated Systems, device=0x5511, class=bridge (host) [no driver assigned]
Feb 12 08:37:07 katiska /kernel: chip0 <SiS 85c503> rev 1 on pci0:1
Feb 12 08:37:07 katiska /kernel: pci0:1: Silicon Integrated Systems, device=0x5513, class=storage (ide) [no driver assigned]
Feb 12 08:37:07 katiska /kernel: ncr0 <ncr 53c810 scsi> rev 2 int a irq 12 on pci0:9
Feb 12 08:37:07 katiska /kernel: ncr0 waiting for scsi devices to settle
Feb 12 08:37:08 katiska /kernel: (ncr0:0:0): "SEAGATE ST15230N 0298" type 0 fixed SCSI 2
Feb 12 08:37:08 katiska /kernel: sd0(ncr0:0:0): Direct-Access 
Feb 12 08:37:08 katiska /kernel: sd0(ncr0:0:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Feb 12 08:37:08 katiska /kernel: 4095MB (8386733 512 byte sectors)
Feb 12 08:37:08 katiska /kernel: sd0(ncr0:0:0): with 3992 cyls, 19 heads, and an average 110 sectors/track
Feb 12 08:37:08 katiska /kernel: (ncr0:3:0): "SEAGATE ST31200N 9348" type 0 fixed SCSI 2
Feb 12 08:37:08 katiska /kernel: sd3(ncr0:3:0): Direct-Access 
Feb 12 08:37:08 katiska /kernel: sd3(ncr0:3:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Feb 12 08:37:08 katiska /kernel: 1011MB (2072435 512 byte sectors)
Feb 12 08:37:08 katiska /kernel: sd3(ncr0:3:0): with 2700 cyls, 9 heads, and an average 85 sectors/track
Feb 12 08:37:08 katiska /kernel: (ncr0:4:0): "HP C1533A 9503" type 1 removable SCSI 2
Feb 12 08:37:08 katiska /kernel: st4(ncr0:4:0): Sequential-Access 
Feb 12 08:37:08 katiska /kernel: st4(ncr0:4:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Feb 12 08:37:08 katiska /kernel: density code 0x24, 512-byte blocks, write-enabled
Feb 12 08:37:08 katiska /kernel: ncr1 <ncr 53c810 scsi> rev 1 int a irq 10 on pci0:10
Feb 12 08:37:08 katiska /kernel: ncr1 waiting for scsi devices to settle
Feb 12 08:37:08 katiska /kernel: (ncr1:1:0): "SEAGATE ST15230N 0638" type 0 fixed SCSI 2
Feb 12 08:37:08 katiska /kernel: sd7(ncr1:1:0): Direct-Access 
Feb 12 08:37:08 katiska /kernel: sd7(ncr1:1:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Feb 12 08:37:08 katiska /kernel: 4095MB (8386733 512 byte sectors)
Feb 12 08:37:08 katiska /kernel: sd7(ncr1:1:0): with 3992 cyls, 19 heads, and an average 110 sectors/track
Feb 12 08:37:08 katiska /kernel: (ncr1:2:0): "SEAGATE ST15230N 0638" type 0 fixed SCSI 2
Feb 12 08:37:08 katiska /kernel: sd8(ncr1:2:0): Direct-Access 
Feb 12 08:37:08 katiska /kernel: sd8(ncr1:2:0): FAST SCSI-2 100ns (10 Mb/sec) offset 8.
Feb 12 08:37:08 katiska /kernel: 4095MB (8386733 512 byte sectors)
Feb 12 08:37:08 katiska /kernel: sd8(ncr1:2:0): with 3992 cyls, 19 heads, and an average 110 sectors/track
Feb 12 08:37:09 katiska /kernel: de0 <Digital DC21040 Ethernet> rev 35 int a irq 11 on pci0:11
Feb 12 08:37:09 katiska /kernel: de0: DC21040 [10Mb/s] pass 2.3 Ethernet address 00:c0:95:ec:47:a3
Feb 12 08:37:09 katiska /kernel: de0: enabling Thinwire/AUI port
Feb 12 08:37:09 katiska /kernel: Probing for devices on the ISA bus:
Feb 12 08:37:09 katiska /kernel: vt0 at 0x60-0x6f irq 1 on motherboard
Feb 12 08:37:09 katiska /kernel: vt0: generic, 80/132 col, color, 8 scr, mf2-kbd, [R3.20-b24]
Feb 12 08:37:09 katiska /kernel: ed0 not found at 0x280
Feb 12 08:37:09 katiska /kernel: lpt0 at 0x378-0x37f irq 7 on isa
Feb 12 08:37:09 katiska /kernel: lpt0: Interrupt-driven port
Feb 12 08:37:09 katiska /kernel: lp0: TCP/IP capable interface
Feb 12 08:37:09 katiska /kernel: lpt1 not found at 0xffffffff
Feb 12 08:37:09 katiska /kernel: sio0 at 0x3f8-0x3ff irq 4 on isa
Feb 12 08:37:09 katiska /kernel: sio0: type 16550A
Feb 12 08:37:09 katiska /kernel: sio1 at 0x2f8-0x2ff irq 3 on isa
Feb 12 08:37:09 katiska /kernel: sio1: type 16550A
Feb 12 08:37:09 katiska /kernel: pca0 on motherboard
Feb 12 08:37:09 katiska /kernel: pca0: PC speaker audio driver
Feb 12 08:37:09 katiska /kernel: cy0 not found
Feb 12 08:37:10 katiska /kernel: bt0 not found at 0x330
Feb 12 08:37:10 katiska /kernel: aha0 not found at 0x330
Feb 12 08:37:10 katiska /kernel: wdc0 not found at 0x1f0
Feb 12 08:37:10 katiska /kernel: fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
Feb 12 08:37:10 katiska /kernel: fdc0: NEC 72065B
Feb 12 08:37:10 katiska /kernel: fd0: 1.44MB 3.5in
Feb 12 08:37:10 katiska /kernel: matcdc0 not found at 0x230
Feb 12 08:37:10 katiska /kernel: npx0 on motherboard
Feb 12 08:37:10 katiska /kernel: npx0: INT 16 interface
Feb 12 08:37:10 katiska /kernel: changing root device to sd0a
Feb 12 08:37:10 katiska /kernel: devfs ready to run
Feb 12 08:37:10 katiska /kernel: new masks: bio c0001440, tty c003089a, net c003089a
Feb 12 08:37:10 katiska /kernel: WARNING: / was not properly dismounted.

>Description:

The system panics with the following within 15 minutes of reboot:

panic: unwire: page not in pmap
0x8:0xf01bd6bc

and next it got a double panic, tried to dump and locked up before writing
anything.

f01bd648 t Xresume15
f01bd6a0 t _doreti
f01bd6a4 t doreti_next
f01bd6b1 t doreti_exit
f01bd6bc T doreti_popl_es
f01bd6bd T doreti_popl_ds
f01bd6c2 T doreti_iret
f01bd6c4 T doreti_iret_fault
f01bd6c9 T doreti_popl_ds_fault

It may be that the panic happens when newsfeed gets back up and thus the
load goes up.

This did not happen with sup from 9th february.

>How-To-Repeat:

Try ftp://ftp.clinet.fi/pub/FreeBSD/crashdumps/kernel.rikki.gz and load it
heavily.

>Fix:
	
>Audit-Trail:
>Unformatted:



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