[DRBD-user] mkfs on a drbd partition hangs in drbd_al_begin_io

Lars Ellenberg lars.ellenberg at linbit.com
Mon May 14 23:11:02 CEST 2007

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


On Mon, May 14, 2007 at 07:15:11PM +0200, Håkan Engblom wrote:
> Hi,
> 
> Have made some more investigations now.
> 
> It hangs in wake_up (the last call in drbd_al_begin_io). As far as I can 
> see, this wake_up is supposed to be called when a specific job is 
> completed, to tell the schduler to wake up all processes that might be 
> waiting for this job to complete. If this is the case it sounds strange 
> that a call to wake_up can block, but it does.

it is "impossible" for wake_up to block.
what makes you think it blocks in wake_up?
let me see the "evidence", please.

-- 
: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
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