PC freeze - Clearing orphaned inode

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PC freeze - Clearing orphaned inode

Postby Polly » 2017-04-18 16:12

My PC occasionally freezes. I have to force a reboot using the PC switch. Upon reboot I get messages:

/dev/sda1: recovering journal
/dev/sda1: Clearing orphaned inode XXXXXX
/dev/sda1: Clearing orphaned inode XXXXXX
/dev/sda1: Clearing orphaned inode XXXXXX...

MemTest86 ran for 8 hours with no error. An extended SMART Self-Test on the drive reported OK.

My os is Debian GNU/Linux 8.7 (jessie). Can anyone please suggest any steps I might try to help identify and/or resolve this freezing?

Thanks
Polly
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Re: PC freeze - Clearing orphaned inode

Postby Head_on_a_Stick » 2017-04-18 18:15

Polly wrote:Can anyone please suggest any steps I might try to help identify and/or resolve this freezing?

Consult the systemd journal for any clues.

https://www.digitalocean.com/community/ ... stemd-logs
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Please read before posting How to report a problem
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Re: PC freeze - Clearing orphaned inode

Postby millpond » 2017-04-20 06:13

Polly wrote:My PC occasionally freezes. I have to force a reboot using the PC switch. Upon reboot I get messages:

/dev/sda1: recovering journal
/dev/sda1: Clearing orphaned inode XXXXXX
/dev/sda1: Clearing orphaned inode XXXXXX
/dev/sda1: Clearing orphaned inode XXXXXX...

MemTest86 ran for 8 hours with no error. An extended SMART Self-Test on the drive reported OK.

My os is Debian GNU/Linux 8.7 (jessie). Can anyone please suggest any steps I might try to help identify and/or resolve this freezing?

Thanks
Polly



When a system freezes it nearly always will do so before flushing its write cache and causing errors in the file system. The hard drives are fine, and low level diagnostics will find no problems.

The problem lies in WHY the system is freezing, and unfortunately there are many things that can do it. Linux is actually more prone to freezing than Win.

Here, in my experience the cause falls into three basic categories:

1. Heat. If CPU or video chip get too hot - and heat sinks WILL clog up - then the system will freeze. Fix is a thorough cleaning of the mobo and its heat sinks.

2.Drivers. Less common, but I have dealt with it here. Particularly video drivers. May need to reinstall them, or change. Errors should be in system logs.

3. Apps vs memory. If there is insufficient memory and some cron jobs like indexers kick in they can pretty much freeze a system. Have top run in a rooted terminal, and keep an eye on it.

Less common but a guaranteed way to freeze a system is to get too low on hard drive space. The system will freeze here if free space drops below 5-10%, even if there are many gigabytes left. The actual 'free' disk space is always an erroneous count, due to the way Linux deals with temp filesystems.
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