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Date:      Thu, 26 Aug 1999 21:52:20 +0200
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Julian Elischer <julian@whistle.com>
Cc:        "John W. DeBoskey" <jwd@unx.sas.com>, freebsd-current@FreeBSD.ORG
Subject:   Re: -current kernel problems (spec_getpages & vm_fault) 
Message-ID:  <513.935697140@critter.freebsd.dk>
In-Reply-To: Your message of "Thu, 26 Aug 1999 12:16:51 PDT." <Pine.BSF.3.95.990826121424.11083K-100000@current1.whistle.com> 

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The size and resid of 0 is because it decides to use a sectorsize of
zero due to the si_bsize fields being empty.

In message <Pine.BSF.3.95.990826121424.11083K-100000@current1.whistle.com>, Jul
ian Elischer writes:
>swapping on a vn device?
>the 'size' and  'resid' of 0 looks suspicious.
>
>a fix was just committed to teh vn code that may fix this if that's your
>problem.
>
>
>On Thu, 26 Aug 1999, John W. DeBoskey wrote:
>
>> Hi,
>> 
>>    Following up my own mail on sig 11 problems, I beleive the
>> problem is kernel related. Running a kernel with sources current
>> as of 11:30am EST, I get the following during a make world:
>> 
>> spec_getpages: I/O read failure: (error code=0) bp 0xc3700ec8 vp 0xc92ce000
>>                size: 0, resid: 0, a_count: 12288, valid: 0x0
>>                nread: 0, reqpage: 0, pindex: 14, pcount: 3
>> vm_fault: pager read error, pid 37394 (install)
>> Aug 26 14:08:44 FreeBSD /kernel: pid 37394 (install), uid 0: exited on signal 11
>>  (core dumped)
>> 
>> 
>>    which is generated by this portion of the make world:
>> 
>> install -c -s -o root -g wheel -m 555   nvi /usr/obj/usr/src/tmp/usr/bin
>> *** Signal 11
>> 
>> 
>> 
>>    If I reboot with a kernel built on Aug 16, I can run a complete
>> make world with no failures.  I realize alot of changes have gone
>> into the system over the last few days. If someone can give me some
>> pointers on getting the information required to debug the problem, I'll
>> be more than happy to dig into it.
>> 
>> 
>> Thanks,
>> John
>> 
>> 
>> --
>> dmesg output for the machine in question:
>> 
>> Copyright (c) 1992-1999 The FreeBSD Project.
>> Copyright (c) 1982, 1986, 1989, 1991, 1993
>> 	The Regents of the University of California. All rights reserved.
>> FreeBSD 4.0-CURRENT #0: Thu Aug 26 13:47:34 EDT 1999
>>     toor@FreeBSD.unx.sas.com:/usr/src/sys/compile/FreeBSD
>> Timecounter "i8254"  frequency 1193182 Hz
>> Timecounter "TSC"  frequency 398775825 Hz
>> CPU: Pentium II/Xeon/Celeron (398.78-MHz 686-class CPU)
>>   Origin = "GenuineIntel"  Id = 0x652  Stepping = 2
>>   Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
>> real memory  = 134217728 (131072K bytes)
>> avail memory = 126881792 (123908K bytes)
>> Preloaded elf kernel "kernel" at 0xc0306000.
>> Pentium Pro MTRR support enabled
>> ccd0-3: Concatenated disk drivers
>> npx0: <math processor> on motherboard
>> npx0: INT 16 interface
>> pcib0: <Intel 82443BX (440 BX) host to PCI bridge> on motherboard
>> pci0: <PCI bus> on pcib0
>> pcib1: <Intel 82443BX (440 BX) PCI-PCI (AGP) bridge> at device 1.0 on pci0
>> pci1: <PCI bus> on pcib1
>> vga-pci0: <ATI model 4742 graphics accelerator> irq 3 at device 0.0 on pci1
>> isab0: <Intel 82371AB PCI to ISA bridge> at device 7.0 on pci0
>> isa0: <ISA bus> on isab0
>> ide_pci0: <Intel PIIX4 Bus-master IDE controller> at device 7.1 on pci0
>> chip1: <UHCI USB controller> irq 11 at device 7.2 on pci0
>> chip2: <Intel 82371AB Power management controller> at device 7.3 on pci0
>> fxp0: <Intel EtherExpress Pro 10/100B Ethernet> irq 10 at device 13.0 on pci0
>> fxp0: Ethernet address 00:a0:c9:2d:14:1b
>> ahc0: <Adaptec 2940 Ultra SCSI adapter> irq 9 at device 14.0 on pci0
>> ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
>> pcib2: <PCI to PCI bridge (vendor=1011 device=0024)> at device 15.0 on pci0
>> pci2: <PCI bus> on pcib2
>> vga-pci1: <Matrox MGA 2164W graphics accelerator> irq 3 at device 9.0 on pci2
>> ahc1: <Adaptec 2940/DUAL Ultra SCSI adapter> irq 11 at device 10.0 on pci2
>> ahc1: aic7895 Wide Channel A, SCSI Id=7, 16/255 SCBs
>> ahc2: <Adaptec 2940/DUAL Ultra SCSI adapter> irq 10 at device 10.1 on pci2
>> ahc2: aic7895 Single Channel B, SCSI Id=7, 16/255 SCBs
>> ti0: <3Com 3c985-SX Gigabit Ethernet> irq 3 at device 11.0 on pci2
>> ti0: Ethernet address: 00:60:08:f5:c6:e5
>> fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f7 irq 6 drq 2 on isa0
>> fdc0: FIFO enabled, 8 bytes threshold
>> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
>> wdc0 at port 0x1f0-0x1f7 irq 14 flags 0xa0ffa0ff on isa0
>> wdc0: unit 0 (wd0): <Maxtor 90645D3>, DMA, 32-bit, multi-block-16
>> wd0: 6149MB (12594960 sectors), 12495 cyls, 16 heads, 63 S/T, 512 B/S
>> wdc1 at port 0x170-0x177 irq 15 on isa0
>> wdc1: unit 0 (atapi): <NEC                 CD-ROM DRIVE:28C/3.02>, removable, dma, iordy
>> wdc1: ATAPI CD-ROMs not configured
>> atkbdc0: <keyboard controller (i8042)> at port 0x60-0x6f on isa0
>> atkbd0: <AT Keyboard> irq 1 on atkbdc0
>> psm0: <PS/2 Mouse> irq 12 on atkbdc0
>> psm0: model Generic PS/2 mouse, device ID 0
>> vga0: <Generic ISA VGA> at port 0x3b0-0x3df iomem 0xa0000-0xbffff on isa0
>> sc0: <System console> on isa0
>> sc0: VGA <16 virtual consoles, flags=0x200>
>> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
>> sio0: type 16550A
>> sio1: configured irq 3 not in bitmap of probed irqs 0
>> Waiting 5 seconds for SCSI devices to settle
>> changing root device to wd0s1a
>> da5 at ahc2 bus 0 target 3 lun 0
>> da5: <iomega jaz 2GB E.16> Removable Direct Access SCSI-2 device 
>> da5: 20.000MB/s transfers (20.000MHz, offset 15)
>> da5: 1911MB (3915600 512 byte sectors: 255H 63S/T 243C)
>> da2 at ahc0 bus 0 target 3 lun 0
>> da2: <SEAGATE ST19171W 0023> Fixed Direct Access SCSI-2 device 
>> da2: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
>> da2: 8683MB (17783112 512 byte sectors: 255H 63S/T 1106C)
>> da3 at ahc0 bus 0 target 4 lun 0
>> da3: <SEAGATE ST19171W 0023> Fixed Direct Access SCSI-2 device 
>> da3: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
>> da3: 8683MB (17783112 512 byte sectors: 255H 63S/T 1106C)
>> da0 at ahc0 bus 0 target 1 lun 0
>> da0: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI-2 device 
>> da0: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
>> da0: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
>> da1 at ahc0 bus 0 target 2 lun 0
>> da1: <SEAGATE ST34572W 0784> Fixed Direct Access SCSI-2 device 
>> da1: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
>> da1: 4340MB (8888924 512 byte sectors: 255H 63S/T 553C)
>> da4 at ahc0 bus 0 target 5 lun 0
>> da4: <SEAGATE ST32550N 0019> Fixed Direct Access SCSI-2 device 
>> da4: 10.000MB/s transfers (10.000MHz, offset 15), Tagged Queueing Enabled
>> da4: 2047MB (4194058 512 byte sectors: 255H 63S/T 261C)
>> cd0 at ahc2 bus 0 target 6 lun 0
>> cd0: <YAMAHA CRW4260 1.0g> Removable CD-ROM SCSI-2 device 
>> cd0: 3.300MB/s transfers
>> cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
>> spec_getpages: I/O read failure: (error code=0) bp 0xc3700ec8 vp 0xc92ce000
>>                size: 0, resid: 0, a_count: 12288, valid: 0x0
>>                nread: 0, reqpage: 0, pindex: 14, pcount: 3
>> vm_fault: pager read error, pid 37394 (install)
>> pid 37394 (install), uid 0: exited on signal 11 (core dumped)
>> 
>> 
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>
>
>
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--
Poul-Henning Kamp             FreeBSD coreteam member
phk@FreeBSD.ORG               "Real hackers run -current on their laptop."
FreeBSD -- It will take a long time before progress goes too far!


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