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SubjectRe: PROBLEM: 2.2.5 smp kernel locks up when transferring large files over LAN
> From: "Brimhall, GeoffreyX L" <geoffreyx.l.brimhall@intel.com>
> Date: Wed, 14 Apr 1999 11:19:49 -0700
> Subject: PROBLEM: 2.2.5 smp kernel locks up when transferring large files over LAN
>
> I'm consistently running into a bug with the 2.2.5 smp kernel where the
> system locks up when transferring large files (~10 Megs or larger) via ftp
> on a local lan. I can boot my system with a 2.1.125 smp kernel and can't
> reproduce the bug at all. Also, I've used a couple different ftp client
> programs (regular ftp, and lftp) and still get the same results. There is a
> strange quirckiness in the hardware setup needed to reproduce the bug that
> I'll detail below.
>
> When the system locks up, after a few minutes of waiting the following
> appears on the main system terminal (the system is still locked up though
> after this):
>
> irq: 2 [0 2]
> bh: 1 [1 0]
>
> <[c010a8e9]> <[c010a82a]> <[c010aafb]> <[c0154e19]> <[c0150275]>
> <[c015da85]> <[c015dd9a]>
>
> Here's the hardware setup:
> 1. Dual P-Pro 180's (256k cache), with 128 Megs EDO memory.
> 2. Super Micro motherboard, model P6DNF.
> 3. Adaptec 2940UW pci card, with a 4gig scsi UW harddrive, scsi cdrom.
> 4. 3com 3c509b ISA PnP ethernet card (though the PnP has been disabled).
> 5. Soundblaster Awe32 (isa)
> 6. Matrox Millinium II video card.

Dual P-Pro 180's with 2 sticks of 32 meg buffered edo
Micronics W6Li motherboard
onboard aic7880 UW scsi
ncr 825 differential wide scsi
netgear fa510tx 10/100 (using tulip driver)
3com 3c509b ISA PnP ethernet card (pnp disabled too)
onboard vibra16
et6000 something video.

not sure whether to blame the 3com 509b. i've ran 2.2.2 with
an uptime of about 25 days, (then i got the brainiac idea that i needed
to yank one of the tulips out for another machine. within 24 hours it
locked up, few more lockups later i tried out the 2.2.5, tho i've remembered
the lockups lately to be of the variety of

"wait_on_irq cpu0"

> 7.1)
> Linux Waterfall 2.2.5 #1 SMP Tue Apr 13 21:14:30 PDT 1999 i686 unknown
> Kernel modules 2.2.5
> Gnu C 2.7.2.3
> Binutils 2.9.1.0.19
> Linux C Library 2.0.7
> Dynamic linker ldd: version 1.9.10
> Procps 1.2.9
> Mount 2.9g
> Net-tools (1998-03-02)
> Kbd 0.96
> Sh-utils 1.16
> Modules Loaded parport_probe lp parport vfat fat sg 3c509


Linux spooge 2.2.5 #6 SMP Sun Apr 4 15:05:37 CST 1999 i686 unknown
Kernel modules 2.1.121
Gnu C egcs-2.91.60
Binutils 2.9.1.0.19
Linux C Library 5.4.44
Dynamic linker ldd (GNU libc) 2.0.7
Linux C++ Library 27.2.8
Linux C++ Library 27.2.8
Procps 1.2.7
Mount 2.9i
Net-tools (1999-01-01)
Kbd 0.89
Sh-utils 1.16
Modules Loaded isofs loop sg st nfs lockd sunrpc tulip 3c509 rarp ip_masq_vdolive ip_masq_user ip_masq_raudio ip_masq_quake ip_masq_portfw ip_masq_mfw ip_masq_irc ip_masq_ftp ip_masq_cuseeme ip_masq_autofw



>
> 7.2)
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 1
> model name : Pentium Pro
> stepping : 7
> cpu MHz : 179.633252
> cache size : 256 KB
> fdiv_bug : no
> hlt_bug : no
> sep_bug : no
> f00f_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov
> bogomips : 179.00
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 6
> model : 1
> model name : Pentium Pro
> stepping : 7
> cpu MHz : 179.633252
> cache size : 256 KB
> fdiv_bug : no
> hlt_bug : no
> sep_bug : no
> f00f_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov
> bogomips : 179.40


processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 1
model name : Pentium Pro
stepping : 9
cpu MHz : 199.310676 (sorry bout the o/c'ing alan...but its worked before)
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
bogomips : 199.07

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 1
model name : Pentium Pro
stepping : 9
cpu MHz : 199.310676
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
bogomips : 198.66



>
> 7.3)
> parport_probe 2848 0 (autoclean) (unused)
> lp 4800 0 (autoclean) (unused)
> parport 7088 0 (autoclean) [parport_probe lp]
> vfat 11456 1
> fat 24424 1 [vfat]
> sg 3752 0 (unused)
> 3c509 5600 1

isofs 16440 0 (autoclean)
loop 7584 0 (autoclean)
sg 3856 0 (autoclean)
st 24992 0 (autoclean)
nfs 30136 1 (autoclean)
lockd 31336 1 (autoclean) [nfs]
sunrpc 53540 1 (autoclean) [nfs lockd]
tulip 25284 1 (autoclean)
3c509 5972 1 (autoclean)
rarp 2640 0 (unused)
ip_masq_vdolive 1072 0 (unused)
ip_masq_user 2408 0 (unused)
ip_masq_raudio 2736 0 (unused)
ip_masq_quake 1124 0 (unused)
ip_masq_portfw 2672 0 (unused)
ip_masq_mfw 3712 0 (unused)
ip_masq_irc 1520 0 (unused)
ip_masq_ftp 2352 0 (unused)
ip_masq_cuseeme 848 0 (unused)
ip_masq_autofw 2240 0 (unused)


>
> 7.4)
> Attached devices:
> Host: scsi0 Channel: 00 Id: 00 Lun: 00
> Vendor: QUANTUM Model: XP34550W Rev: LXY4
> Type: Direct-Access ANSI SCSI revision: 02
> Host: scsi0 Channel: 00 Id: 04 Lun: 00
> Vendor: iomega Model: jaz 1GB Rev: J^77
> Type: Direct-Access ANSI SCSI revision: 02
> Host: scsi0 Channel: 00 Id: 06 Lun: 00
> Vendor: TEAC Model: CD-ROM CD-516S Rev: 1.0D
> Type: CD-ROM ANSI SCSI revision: 02


Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: FUJITSU Model: M1603S-512 Rev: 6236
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 05 Lun: 00
Vendor: MICROP Model: 1991-27 1128RV Rev: 28RV
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 06 Lun: 00
Vendor: CONNER Model: CTT8000-S Rev: 1.17
Type: Sequential-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 01 Lun: 00
Vendor: QUANTUM Model: XP39100WD Rev: LXY4
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 02 Lun: 00
Vendor: QUANTUM Model: XP39100WD Rev: LXY4
Type: Direct-Access ANSI SCSI revision: 02


>
> 7.5)
> /proc/interrupts:
> CPU0 CPU1
> 0: 43794 0 XT-PIC timer
> 1: 0 2 IO-APIC-edge keyboard
> 2: 0 0 XT-PIC cascade
> 3: 22 6 IO-APIC-edge serial
> 8: 1 1 IO-APIC-edge rtc
> 9: 3990 4465 IO-APIC-edge eth0
> 13: 1 0 XT-PIC fpu
> 14: 3 4 IO-APIC-edge ide0
> 18: 1511 1507 IO-APIC-level aic7xxx
> NMI: 0
> ERR: 0
>
CPU0 CPU1
0: 12998510 13077443 IO-APIC-edge timer
1: 45263 44583 IO-APIC-edge keyboard
2: 0 0 XT-PIC cascade
3: 2441117 2442252 IO-APIC-edge eth0
4: 175 189 IO-APIC-edge serial
8: 0 0 IO-APIC-edge rtc
13: 1 0 XT-PIC fpu
14: 2624268 2622789 IO-APIC-level ide0
15: 1678323 1682811 IO-APIC-level ide1
17: 6398688 6397594 IO-APIC-level eth1
18: 135170 134738 IO-APIC-level aic7xxx
19: 1121675 1122287 IO-APIC-level ncr53c8xx
NMI: 0
ERR: 0


> /proc/locks:
> : FLOCK ADVISORY WRITE 0 08:03:370703 0 2147483647 c0009da0 00000000
> c0009e00 00000000 00000000
> 2: POSIX ADVISORY WRITE 255 08:03:370702 0 2147483647 c0009e00 c0009da0
> c0009f20 00000000 00000000
> 3: POSIX ADVISORY WRITE 228 08:03:180435 0 2147483647 c0009f20 c0009e00
> 00000000 00000000 00000000

1: POSIX ADVISORY WRITE 143 08:35:180461 0 0 c3d533e0 00000000 c2ae1600 00000000 00000000
2: POSIX ADVISORY WRITE 141 08:35:180281 0 0 c2ae1600 c3d533e0 c2ae14e0 00000000 00000000
3: FLOCK ADVISORY WRITE 0 03:02:60488 0 2147483647 c2ae14e0 c2ae1600 00000000 00000000 00000000


--
Mark Duguid Saskatoon, Saskatchewan highbit@home.com
Timesharing: An access method whereby one computer abuses many people

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