timeouts with linux-2.2.13
Elgin Lee
ehl at funghi.com
Mon Nov 8 21:29:35 PST 1999
Hmm -- I wonder if the IBM DGHS18V is behaving poorly with the latest
driver. I just upgraded from Red Hat 5.2 to Red Hat 6.1 and almost
immediately encountered similar hangs. During the two days that I've
been on 6.1, I've encountered two complete hangs necessitating reboot.
Upon rebooting, I get parity errors and timeouts. I've had to power
cycle my system and external disk numerous times before I can get a
clean boot.
Curiously, the disk that seems most hung is an IBM DGHS09U. The last
time that the hang occurred, I know that I was engaged in I/O with
that disk.
Any suggestions on how to debug this problem?
Thanks,
Elgin
--------------------
Here's my configuration:
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: QUANTUM Model: VIKING 4.5 NSE Rev: 8808
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 08 Lun: 00
Vendor: IBM Model: DGHS09U Rev: 0350
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: SEAGATE Model: ST32550N Rev: 0019
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 01 Lun: 00
Vendor: IBM Model: DORS-32160 Rev: S82C
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 03 Lun: 00
Vendor: YAMAHA Model: CRW4416S Rev: 1.0g
Type: CD-ROM ANSI SCSI revision: 02
--------------------
Adaptec AIC7xxx driver version: 5.1.20/3.2.4
Compile Options:
TCQ Enabled By Default : Disabled
AIC7XXX_PROC_STATS : Enabled
AIC7XXX_RESET_DELAY : 5
Adapter Configuration:
SCSI Adapter: Adaptec AHA-294X Ultra SCSI host adapter
Ultra Wide Controller
PCI MMAPed I/O Base: 0xffbea000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 3
SCBs: Active 0, Max Active 1,
Allocated 15, HW 16, Page 255
Interrupts: 70292
BIOS Control Word: 0x18b6
Adapter Control Word: 0x005b
Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
Ultra Enable Flags: 0x0101
Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 8
Tagged Queue By Device array for aic7xxx host instance 0:
{255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
Actual queue depth per device for aic7xxx host instance 0:
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
Statistics:
(scsi0:0:0:0)
Device using Narrow/Sync transfers at 20.0 MByte/sec, offset 15
Transinfo settings: current(12/15/0/0), goal(12/15/0/0), user(12/15/1/0)
Total transfers 594 (594 reads and 0 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 594 0 0 0 0 0 0 0
Writes: 0 0 0 0 0 0 0 0
(scsi0:0:8:0)
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 69586 (68552 reads and 1034 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 50311 17 7880 922 198 9139 85 0
Writes: 57 14 105 857 1 0 0 0
--------------------
Adaptec AIC7xxx driver version: 5.1.20/3.2.4
Compile Options:
TCQ Enabled By Default : Disabled
AIC7XXX_PROC_STATS : Enabled
AIC7XXX_RESET_DELAY : 5
Adapter Configuration:
SCSI Adapter: Adaptec AHA-294X Ultra SCSI host adapter
Ultra Wide Controller
PCI MMAPed I/O Base: 0xffbeb000
Adapter SEEPROM Config: SEEPROM found and used.
Adaptec SCSI BIOS: Enabled
IRQ: 10
SCBs: Active 0, Max Active 1,
Allocated 15, HW 16, Page 255
Interrupts: 4929
BIOS Control Word: 0x18b6
Adapter Control Word: 0x0059
Extended Translation: Enabled
Disconnect Enable Flags: 0xffff
Ultra Enable Flags: 0x0000
Tag Queue Enable Flags: 0x0000
Ordered Queue Tag Flags: 0x0000
Default Tag Queue Depth: 8
Tagged Queue By Device array for aic7xxx host instance 1:
{255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255}
Actual queue depth per device for aic7xxx host instance 1:
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}
Statistics:
(scsi1:0:0:0)
Device using Narrow/Sync transfers at 10.0 MByte/sec, offset 15
Transinfo settings: current(25/15/0/0), goal(25/15/0/0), user(25/15/1/0)
Total transfers 4837 (3895 reads and 942 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 2053 137 625 627 115 264 74 0
Writes: 585 127 64 47 28 21 70 0
(scsi1:0:1:0)
Device using Narrow/Sync transfers at 10.0 MByte/sec, offset 15
Transinfo settings: current(25/15/0/0), goal(25/15/0/0), user(25/15/1/0)
Total transfers 2 (2 reads and 0 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 2 0 0 0 0 0 0 0
Writes: 0 0 0 0 0 0 0 0
(scsi1:0:3:0)
Device using Narrow/Sync transfers at 8.0 MByte/sec, offset 15
Transinfo settings: current(30/15/0/0), goal(25/15/0/0), user(25/15/1/0)
Total transfers 0 (0 reads and 0 writes)
< 2K 2K+ 4K+ 8K+ 16K+ 32K+ 64K+ 128K+
Reads: 0 0 0 0 0 0 0 0
Writes: 0 0 0 0 0 0 0 0
--------------------
>>>>> Uwe Schmeling <uschmeli at csa.de> wrote:
> Hi!
> Sometimes I get the following messages from my SCSI subsystem:
> scsi : aborting command due to timeout : pid 706932, scsi1, channel 0, id
> 0, lun 0 Write (10) 00 00 ec 18 ec 00 00 7a 00
>
> My configuration:
> linux-2.2.13 Adaptec AIC7xxx driver version: 5.1.20/3.2.4,
> SCSI Adapter: Adaptec AIC-7896/7 Ultra2 SCSI host adapter with 2 channels
> CHAN A:
> 0: IBM DNES-318350W Rev: S80K
> 1: IBM DNES-318350W Rev: SA30
> 2: IBM DNES-318350W Rev: SA30
> CHAN B:
> 0: IBM DGHS18V Rev: 03C0
> 1: IBM DGHS18V Rev: 03C0
> Timeout is allways on CHAN B.
> Any hints?
>
> Uwe
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