[DRBD-user] drbd locked and blocks other processes

Wim Ceulemans wim.ceulemans at able.be
Wed Jul 12 10:27:46 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Lars

We will upgrade asap to 0.7.20

Thanks and regards
Wim

Lars Ellenberg wrote:

>/ 2006-07-12 09:01:33 +0200
>\ Wim Ceulemans:
>  
>
>>Hi
>>
>>We observed that drbd was completely locked (in kernel thread?). All drbdsetup commands blocked and were not executed. This was after a 
>>short network failure. The drbd log is below. Some other running processes like squid where also locked, didn't work anymore and could 
>>not be killed and restarted.
>>We are using drbd-0.7.14
>>    
>>
>
>  
>
>>Anyone seen this before? Could this be fixed in a more recent drbd version?
>>    
>>
>
>it may have been this:
>
>0.7.18 (api:78/proto:74)
>-----
> * Under high memory pressure it was possible to hit a deadlock 
>   on a kmalloc(). Changed the GFP mask, it is no longer possible to
>   deadlock it with memory pressure.
>
>and some more esotheric but related fixes in 0.7.19.
>
>  
>


-- 
Wim Ceulemans
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