Re: port-i386/17749 (Low memory machine locks when compiling)

["Ricardo Sugawara" <rsugawara%gmail.com@localhost>]

The following reply was made to PR port-i386/17749; it has been noted by GNATS.

From: "Ricardo Sugawara" <rsugawara%gmail.com@localhost>
To: gnats-bugs%gnats.netbsd.org@localhost
Cc: 
Subject: Re: port-i386/17749 (Low memory machine locks when compiling)
Date: Sun, 17 Feb 2008 23:33:23 -0200

 I rebuilt that very same 486-machine with almost the same hardware
 setup except that I netbooted 4.0 instead of installing a local hard
 disk.
 
 No success compiling a 4.0 GENERIC kernel. I could not, however,
 reproduce the trap pertaining to the original PR; having got different
 ones each time:
 
 --
 uvm_fault(0xc0a0cbc0, 0, 2) -> 0xe
 kernel: supervisor trap page fault, code=0
 Stopped in pid 5.1 (nfsio) at   netbsd:m_copym0+0xc6:   movl    %ebx,0x50(%eax)
 db> bt
 m_copym0(0,0,3b9aca00,0,5) at netbsd:m_copym0+0xc6
 nfs_request(c41dbaf4,c0bd8000,7,c392bcb8,c3920f3c) at netbsd:nfs_request+0x28e
 nfs_writerpc(c41daa48,c4168bf4,c4168bb8,0,c4168bb4) at 
netbsd:nfs_writerpc+0x3e9
 nfs_doio_write(c4168bf4,c0bbed00,3,18041969,c0100be6) at
 netbsd:nfs_doio_write+0x3f0
 nfs_doio(c0cc70b0,320,c08e4d1f,0,c0a076b0) at netbsd:nfs_doio+0x1be
 nfssvc_iod(c392bcb8,0,0,c01002e1,c392bcb8) at netbsd:nfssvc_iod+0xce
 start_nfsio(c392bcb8,0,c01002d2,fbff,c01002d2) at netbsd:start_nfsio+0x13
 --
 
 --
 kernel: supervisor trap double fault, code=0
 Stopped in pid 12986.1 (sh) at  0xc431aa96:     addb    %al,0(%eax)
 db> bt
 _prop_dictionary_keysym32_pool(c09687,9c000000,28c431aa,38c392b1,6c431ab)
 at 0xc431aa96
 --
 
 --
 uvm_fault(0xc4326e14, 0x74681000, 1) -> 0xe
 kernel: supervisor trap page fault, code=0
 Stopped in pid 2101.1 (cc1) at  netbsd:in_cksum+0x7b:   addl    0(%ebx),%eax
 db> bt
 in_cksum(c367e834,81b7e80,4f8,9000403,1219800) at netbsd:in_cksum+0x7b
 --
 
 The current dmesg:
 
 NetBSD 4.0 (GENERIC) #0: Sun Dec 16 00:20:10 PST 2007
         
builds@wb34:/home/builds/ab/netbsd-4-0-RELEASE/i386/200712160005Z-obj/home/builds/ab/netbsd-4-0-RELEASE/src/sys/arch/
 i386/compile/GENERIC
 total memory = 21628 KB
 rbus: rbus_min_start set to 0x20000000
 avail memory = 11048 KB
 timecounter: Timecounters tick every 10.000 msec
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 BIOS32 rev. 0 found at 0xf6f20
 mainbus0 (root)
 ACPI Error (tbxfroot-0775): No valid RSDP was found [20060217]
 ACPI Exception (tbxfroot-0531): AE_NOT_FOUND, RSDP structure not found
 - Flags=8 [20060217]
 ACPI Exception (tbxface-0162): AE_NO_ACPI_TABLES, Could not get the
 RSDP [20060217]
 ACPI Exception (tbxface-0211): AE_NO_ACPI_TABLES, Could not load
 tables [20060217]
 ACPI: unable to load tables: AE_NO_ACPI_TABLES
 cpu0 at mainbus0: (uniprocessor)
 cpu0: Intel 486DX4 (486-class), id 0x480
 cpu0: features 3<FPU,VME>
 Warning: broken PCI-Host bridge detected; disabling memory-mapped access
 pci0 at mainbus0 bus 0: configuration mode 1
 pci0: i/o space enabled
 vga1 at pci0 dev 3 function 0: Trident Microsystems TGUI 9660 (rev. 0xd3)
 wsdisplay0 at vga1 kbdmux 1
 wsmux1: connecting to wsdisplay0
 pchb0 at pci0 dev 5 function 0
 pchb0: Silicon Integrated System 85C496 (rev. 0x31)
 fxp0 at pci0 dev 15 function 0: i82559 Ethernet, rev 8
 fxp0: interrupting at irq 9
 fxp0: Ethernet address 00:02:b3:92:c1:ef
 inphy0 at fxp0 phy 1: i82555 10/100 media interface, rev. 4
 inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 isa0 at mainbus0
 com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
 com0: console
 pckbc0 at isa0 port 0x60-0x64
 attimer0 at isa0 port 0x40-0x43: AT Timer
 pcppi0 at isa0 port 0x61
 pcppi0: children must have an explicit unit
 midi0 at pcppi0: PC speaker (CPU-intensive output)
 sysbeep0 at pcppi0
 isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
 npx0 at isa0 port 0xf0-0xff
 npx0: reported by CPUID; using exception 16
 fdc0 at isa0 port 0x3f0-0x3f7 irq 6 drq 2
 pcppi0: attached to attimer0
 isapnp0: no ISA Plug 'n Play devices found
 timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
 fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
 Kernelized RAIDframe activated
 boot device: fxp0
 root on fxp0
 nfs_boot: trying DHCP/BOOTP
 nfs_boot: DHCP next-server: 192.168.0.1
 nfs_boot: my_domain=mhz.com
 nfs_boot: my_addr=192.168.0.2
 nfs_boot: my_mask=255.255.255.0
 root on 192.168.0.1:/clientes/cliente1/root
 root file system type: nfs
 wsdisplay0: screen 1 added (80x25, vt100 emulation)
 wsdisplay0: screen 2 added (80x25, vt100 emulation)
 wsdisplay0: screen 3 added (80x25, vt100 emulation)
 wsdisplay0: screen 4 added (80x25, vt100 emulation)
 
 -- 
 []s
 Ricardo.