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I have experienced problems with readdir in isofs in recent kernels. I found
that sometimes on large directories not all entries appear - no read errors do
occur. If I remount the disc, the missing entries are present. I tried this
with different discs and with different drives, so the problem could not be
related to hardware errors.
Some information about my system that might be usefull:
i686
/proc/version:
Linux version 2.3.99-pre6 (root@schiele) (gcc version 2.95.2 19991024 (release)) #1 Thu Apr 27 08:25:35 CEST 2000
/proc/scsi/scsi:
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: IBM Model: DDRS-39130W Rev: S97B
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST39140W Rev: 1281
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: HP Model: C2520A Rev: 3503
Type: Processor ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: IOMEGA Model: ZIP 100 Rev: J.03
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 04 Lun: 00
Vendor: PIONEER Model: CD-ROM DR-U12X Rev: 1.06
Type: CD-ROM ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 05 Lun: 00
Vendor: RICOH Model: MP6200S Rev: 2.40
Type: CD-ROM ANSI SCSI revision: 02
/proc/scsi/aic7xxx/0:
Adaptec AIC7xxx driver version: 5.2.0/3.2.4
Compile Options:
TCQ Enabled By Default : Enabled
AIC7XXX_PROC_STATS : Disabled
AIC7XXX_RESET_DELAY : 5
Adapter Configuration:
SCSI Adapter: Adaptec AHA-294X Ultra SCSI host adapter
Ultra Wide Controller at PCI 0/14/0
PCI MMAPed I/O Base: 0xf4000000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 11
SCBs: Active 0, Max Active 17,
Allocated 31, HW 16, Page 255
Interrupts: 1229538
BIOS Control Word: 0x1996
Adapter Control Word: 0x0053
Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
Ultra Enable Flags: 0x0003
Tag Queue Enable Flags: 0x0003
Ordered Queue Tag Flags: 0x0003
Default Tag Queue Depth: 8
Tagged Queue By Device array for aic7xxx host instance 0:
{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}
Actual queue depth per device for aic7xxx host instance 0:
{8,8,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
Statistics:
(scsi0:0:0:0)
Device using Wide/Sync transfers at 40.0 MByte/sec, offset 8
Transinfo settings: current(12/8/1/0), goal(12/8/1/0), user(12/15/1/0)
Total transfers 766190 (437959 reads and 328231 writes)
(scsi0:0:1:0)
Device using Wide/Sync transfers at 40.0 MByte/sec, offset 8
Transinfo settings: current(12/8/1/0), goal(12/8/1/0), user(12/15/1/0)
Total transfers 196670 (94377 reads and 102293 writes)
(scsi0:0:2:0)
Device using Narrow/Async transfers.
Transinfo settings: current(0/0/0/0), goal(0/0/0/0), user(12/15/1/0)
Total transfers 0 (0 reads and 0 writes)
(scsi0:0:3:0)
Device using Narrow/Async transfers.
Transinfo settings: current(0/0/0/0), goal(0/0/0/0), user(12/15/1/0)
Total transfers 2336 (285 reads and 2051 writes)
(scsi0:0:4:0)
Device using Narrow/Sync transfers at 10.0 MByte/sec, offset 15
Transinfo settings: current(25/15/0/0), goal(12/15/0/0), user(12/15/1/0)
Total transfers 231319 (231319 reads and 0 writes)
(scsi0:0:5:0)
Device using Narrow/Async transfers.
Transinfo settings: current(0/0/0/0), goal(0/0/0/0), user(12/15/1/0)
Total transfers 31825 (31825 reads and 0 writes)
If you need some more information, feel free to contact me.
Robert
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Robert Schiele mailto:rschiele@uni-mannheim.de
Tel./Fax: +49-621-10059 http://webrum.uni-mannheim.de/math/rschiele/
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