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Old 11-15-2006, 09:09 AM   #1
jshellman
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Registered: Nov 2006
Posts: 4

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System freeze on large file/heavy disk


-- Background:
I'm running on nforce4 (Tyan K8WE), dual opteron, 3 SATA hard drives (1x36 gb and 2x74 gb WD raptors), 3 GB RAM, installed CentOS 4.4 and ran yum update.

# uname -a
Linux localhost.localdomain 2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:28:26 CDT 2006 x86_64 x86_64 x86_64 GNU/Linux

I set SELinux to warn when installing CentOS.

-- Problem:
I mounted an ntfs file system and tried to copy over a bunch of files, some of which were large (~1 GB). The system would freeze up (no UI response to input) when it was processing a large file.

During this, I see lots of these in syslog:

Nov 14 14:40:47 localhost kernel: ata3: command 0xc8 timeout, stat 0x50 host_stat 0x24
Nov 14 14:40:47 localhost kernel: ata3: status=0x50 { DriveReady SeekComplete }
Nov 14 14:40:47 localhost kernel: Info fld=0x33ca186, Current sdb: sense key No
Sense
Nov 14 14:40:47 localhost kernel: ata4: command 0xca timeout, stat 0x50 host_stat 0x24
Nov 14 14:40:47 localhost kernel: ata4: status=0x50 { DriveReady SeekComplete }
Nov 14 14:40:47 localhost kernel: Info fld=0x2000000, Current sdc: sense key No
Sense
Nov 14 14:40:47 localhost kernel: ata3: command 0xc8 timeout, stat 0x50 host_stat 0x24


I was setting up vmware and it was creating a virtual disk of 32 GB. The system froze--I let it site for over an hour. After a hard reset, I checked and it had only set up under 3 GB.

Any ideas what's causing this freeze?

Thanks!
 
Old 11-15-2006, 03:47 PM   #2
jshellman
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Registered: Nov 2006
Posts: 4

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Post Solved, I think

I found a kernel bug that looked the same that said it was fixed in 2.6.17, so I upgraded the kernel to 2.6.18, but it still happened after that.

I tweaked various settings and services, checked and found that my bios was two versions old so upgrade that, and now it's been running for a couple hours without problems, so hopefully one of those things fixed it.
 
  


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