From: Grzegorz Milos <gm281@cam.ac.uk>
To: Jacob Gorm Hansen <jacobg@diku.dk>
Cc: xen-devel <Xen-devel@lists.xensource.com>
Subject: Re: Xenbus watch firing over and over
Date: Fri, 05 Jan 2007 12:21:43 +0100 [thread overview]
Message-ID: <459E34C7.4070605@cam.ac.uk> (raw)
In-Reply-To: <1167848163.2591.5.camel@localhost.localdomain>
Could you send mini-os diff?
Cheers
Gregor
Jacob Gorm Hansen wrote:
> hi,
> I am trying to add xenbus watch support to mini-os, but am getting into
> a endless loop of watches firing over and over. Below is an excerpt from
> the xenstore tracefile:
>
> IN 0x805acc8 20070103 19:32:18 WATCH
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> CREATE watch 0x805a8b8
> OUT 0x805acc8 20070103 19:32:18 WATCH (OK )
> OUT 0x805acc8 20070103 19:32:18 WATCH_EVENT
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> IN 0x805acc8 20070103 19:32:18 UNWATCH
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> DESTROY watch 0x805a8b8
> OUT 0x805acc8 20070103 19:32:18 UNWATCH (OK )
> IN 0x805acc8 20070103 19:32:18 READ
> (/local/domain/0/backend/vif/26/0/state )
> OUT 0x805acc8 20070103 19:32:18 READ (5)
> IN 0x805acc8 20070103 19:32:18 WATCH
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> CREATE watch 0x806af60
> OUT 0x805acc8 20070103 19:32:18 WATCH (OK )
> OUT 0x805acc8 20070103 19:32:18 WATCH_EVENT
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> IN 0x805acc8 20070103 19:32:18 UNWATCH
> (/local/domain/0/backend/vif/26/0/state 00043818 )
> DESTROY watch 0x806af60
> OUT 0x805acc8 20070103 19:32:18 UNWATCH (OK )
> IN 0x805acc8 20070103 19:32:18 READ
> (/local/domain/0/backend/vif/26/0/state )
> OUT 0x805acc8 20070103 19:32:18 READ (5)
> IN 0x805acc8 20070103 19:32:18 WATCH
> (/local/domain/0/backend/vif/26/0/state 00043818 )
>
> ...
>
> The same watch seems to be firing again and again, even though noone
> appears to be writing it. Should I some ack the watch, or is this a bug
> in xenstored?
>
> This is with Xen 3.0.3.
>
> Regards,
> Jacob
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
prev parent reply other threads:[~2007-01-05 11:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-03 18:16 Xenbus watch firing over and over Jacob Gorm Hansen
2007-01-03 18:25 ` Ewan Mellor
2007-01-04 12:18 ` Jacob Gorm Hansen
2007-01-04 12:28 ` Ewan Mellor
2007-01-05 11:21 ` Grzegorz Milos [this message]
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