(Random?) File System Corruption

From: Joshua J. Kugler (isd@as.uaf.edu)
Date: Thu Feb 22 2001 - 15:54:27 EST

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[1.] One line summary of the problem:
(Seemingly) random file system corruption

[2.] Full description of the problem/report:
The other day, I downloaded the latest version (at the time) of the kernel:
2.4.1. I had made the kernel a couple times, and had done "make distclean" a
couple times. About the third time I did "make distclean," I got a whole
series of "operations not allowed." I went to look at the files it couldn't
work on, and found this when I did an "ls -la."

/usr/src/linux/drivers/acorn/scsi:

drwxr-xr-x 2 root root 4096 Feb 16 22:02 ./
drwxr-xr-x 6 root root 4096 Feb 16 22:02 ../
-rw-r--r-- 1 root root 992 Jan 13 2000 Config.in
?r-xr-x--t 12338 24419 11574 4294967295 May 2 1991 acornscsi-io.S
?---r-xr-t 25449 14896 28192 4294967295 Apr 24 2006 acornscsi.c
br-sr-xrw- 29487 25955 25460 99, 47 Feb 21 1996 acornscsi.h
cr-sr-S-wt 28015 25971 29296 10, 41 Sep 17 2028 cumana_1.c
br-srwS-wT 13873 26989 12082 48, 56 Mar 30 2029 cumana_1.h
?r--r-xrwx 8224 11574 8232 893005874 Feb 5 1987 cumana_2.c

And...
/usr/src/linux/drivers/fc4:

c---r-x--x 15732 19779 28261 114, 117 Jul 24 2026 Config.in

And:
/usr/src/linux-2.4.1/drivers/sgi/char:

b--Sr-S--T 12131 25449 29797 47, 99 Dec 27 1992 graphics.h
?r--r-x-wx 11630 8249 28530 4294967295 May 14 2031 graphics_syms.c
br-xrw-r-T 28530 29487 28719 41, 104 Apr 1 2029 linux_logo.h
?--xrw---T 12591 28015 12848 4294967295 Apr 1 2029 newport.c
cr-SrwS-wT 8224 13873 10272 116, 115 Dec 1 1991 sgicons.c
c---r-x--- 25903 8224 8249 115, 109 Sep 9 2028 sgiserial.h
cr-Sr-S--T 12136 29797 29485 46, 107 Mar 12 1995 shmiq.c
b--srw--wx 12328 28719 8308 45, 48 Jan 6 1992 streamable.c
c--Sr----- 8260 12848 19779 106, 100 May 28 2000 usema.c
d--x--sr-x 14641 10272 11069 1847599136 Nov 29 2031 usema.h/

More info: The last time I did a make, I used "-j 30." This a dual PIII 500
with 512 MB of RAM and an 18GB system drive (3 9GB drives on RAID 5). Memory
usage never went over about 256 MB. CPU usage hit close to 100% a couple
times.

[3.] Keywords (i.e., modules, networking, kernel):

file system curruption

[4.] Kernel version (from /proc/version):

Linux version 2.2.17-jjk-20001024 (root@xxxxx.xx.xxx.edu) (gcc version 2.95.2
19991024 (release)) #2 SMP Wed Oct 25 13:33:18 AKDT 2000

[5.] Output of Oops.. message (if applicable) with symbolic information
resolved (see Documentation/oops-tracing.txt)

N/A

[6.] A small shell script or example program which triggers the
problem (if possible)

Do not know how to reproduce.

[7.] Environment
[7.1.] Software (add the output of the ver_linux script here)

-- Versions installed: (if some fields are empty or look
-- unusual then possibly you have very old versions)
Linux deuel.as.uaf.edu 2.2.17-jjk-20001024 #2 SMP Wed Oct 25 13:33:18 AKDT
2000 i686 unknown
Kernel modules 2.1.121
Gnu C 2.95.2
Gnu Make 3.77
Binutils 2.9.5.0.16
Linux C Library 2.1.2
Dynamic linker ldd (GNU libc) 2.1.2
Procps 2.0.6
Mount 2.9y
Net-tools 1.53
Console-tools 0.2.2
Sh-utils 2.0
cat: /proc/modules: No such file or directory
Modules Loaded

[7.2.] Processor information (from /proc/cpuinfo):

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 7
model name : Pentium III (Katmai)
stepping : 2
cpu MHz : 498.754
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
coma_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
pat pse36 mmx fxsr xmm
bogomips : 996.15

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 7
model name : Pentium III (Katmai)
stepping : 2
cpu MHz : 498.754
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
coma_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
pat pse36 mmx fxsr xmm
bogomips : 996.15

[7.3.] Module information (from /proc/modules):

No modules used, all compiled in to kernel.

[7.4.] SCSI information (from /proc/scsi/scsi)

scsi:
Attached devices: none

/proc/scsi/sym53c8xx/0
General information:
  Chip sym53c876, device id 0xf, revision id 0x37
  IO port address 0x1400, IRQ number 10
  Using memory mapped IO at virtual address 0xe0003400
  Synchronous period factor 12, max commands per lun 32

/proc/scsi/sym53c8xx/1
General information:
  Chip sym53c876, device id 0xf, revision id 0x37
  IO port address 0x1800, IRQ number 5
  Using memory mapped IO at virtual address 0xe0007800
  Synchronous period factor 12, max commands per lun 32

/proc/rd/c0/current_status:

***** DAC960 RAID Driver Version 2.2.8 of 19 August 2000 *****
Copyright 1998-2000 by Leonard N. Zubkoff <lnz@dandelion.com>
Configuring Mylex DAC960PTL1 PCI RAID Controller
  Firmware Version: 4.06-0-57, Channels: 1, Memory Size: 32MB
  PCI Bus: 0, Device: 14, Function: 1, I/O Address: Unassigned
  PCI Address: 0xFA104000 mapped at 0xE0000000, IRQ Channel: 11
  Controller Queue Depth: 128, Maximum Blocks per Command: 128
  Driver Queue Depth: 127, Scatter/Gather Limit: 33 of 33 Segments
  Stripe Size: 64KB, Segment Size: 8KB, BIOS Geometry: 128/32
  SAF-TE Enclosure Management Enabled
  Physical Devices:
    0:0 Vendor: IBM Model: DNES-309170Y Revision: SA30
         Serial Number: AJ0P9506
         Disk Status: Online, 17915904 blocks
    0:1 Vendor: IBM Model: DNES-309170Y Revision: SA30
         Serial Number: AJ0P9546
         Disk Status: Online, 17915904 blocks
    0:2 Vendor: IBM Model: DNES-309170Y Revision: SA30
         Serial Number: AJ0P9531
         Disk Status: Online, 17915904 blocks
    0:6 Vendor: ESG-SHV Model: SCA HSBP M5 Revision: 1.65
  Logical Drives:
    /dev/rd/c0d0: RAID-5, Online, 35831808 blocks, Write Thru
  No Rebuild or Consistency Check in Progress

/proc/rd/c0/initial_status:

[7.5.] Other information that might be relevant to the problem
(please look in /proc and include all information that you
think to be relevant):

Cannot think of other things to include.

[X.] Other notes, patches, fixes, workarounds:

None known.

-- 
Joshua Kugler
Associated Students of the University of Alaska Fairbanks
Information Services Director
isd@as.uaf.edu
907-474-7601
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Next message: Eric Weigle: "Trivial bug/fix for shm.c"
Previous message: Robert Read: "[PATCH] use correct include dir for build tools"
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