Hi Brock-

> $ dd if=/dev/zero of=foo bs=1M count=1024
> 
> < CRASH! >

Can you tell me a bit about the system you're on?  I haven't been able to 
replicate this on my machines.  Can you reliably reproduce it?

>From the flags I suspect it's a race related to truncation.  Can you let 
me know if this fixes it?

0670d2a: kclient: ClearPagePrivate more aggressively in invalidatepage

Thanks-
sage


> 
>  
> 
> It seems that when 'dd' tries to overwrite a file, crash! Below is some
> kernel output...
> 
>  
> 
> Message from [EMAIL PROTECTED] at Jun  6 11:06:04 ...
> 
>  kernel: Bad page state in process 'dd'
> 
>  
> 
> Message from [EMAIL PROTECTED] at Jun  6 11:06:04 ...
> 
>  kernel: page:ffffe200080ba358 flags:0x0248100000000800
> mapping:0000000000000000 mapcount:0 count:0 (Tainted: G    B  )
> 
>  
> 
> Message from [EMAIL PROTECTED] at Jun  6 11:06:04 ...
> 
>  kernel: Trying to fix it up, but a reboot is needed
> 
>  
> 
> Message from [EMAIL PROTECTED] at Jun  6 11:06:04 ...
> 
>  kernel: Backtrace:
> 
>  
> 
> .....
> 
>  
> 
> Bad page state in process 'dd'
> 
> page:ffffe20007d41f60 flags:0x0238100000000800 mapping:0000000000000000
> mapcoun)
> 
> Trying to fix it up, but a reboot is needed
> 
> Backtrace:
> 
>  
> 
> Thanks, 
> 
> -Brock
> 
> 

-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php
_______________________________________________
Ceph-devel mailing list
Ceph-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ceph-devel

Reply via email to