Unimplemented function KERNEL32.dll.FindFirstVolumeW
devzero at web.de
devzero at web.de
Tue Nov 20 02:13:43 CST 2007
mhhh - since it cost me more then one hour to find out why my machine reboots and triggering a reboot by just _reading_ a file on my system, device node or not is at least very weird behaviour from a user`s perspective.
>waiting for an user-space daemon to start handling of /dev/watchdog file (opening it and manipulating it from time to time to show that it's still alive.
>When you cat the file, kernel recognizes it as that such an app is taking over control of the watchdog and starts it.
it`s looks a little bit too simple for me. triggering a reboot just by some simple open() and read() and close() ?
let`s wait what the maintainer has to tell.
regards
roland
> Hi!
> I think it's not a bug, it's a normal behaviour.
> The kernel watchdog is normally not active when the machine is booted,
> waiting for an user-space daemon to start handling of /dev/watchdog file
> (opening it and manipulating it from time to time to show that it's still
> alive). When you cat the file, kernel recognizes it as that such an app
> is taking over control of the watchdog and starts it. However, because
> cat closes the file immediately, it is not handled anymore and kernel
> recognizes it as a userspace problem, thus rebooting the machine after
> the timeout expires.
> With regards, Pavel Troller
>
> -----Ursprüngliche Nachricht-----
> Von: Pavel Troller <patrol at sinus.cz>
> Gesendet: 20.11.07 08:49:53
> An: devzero at web.de
> CC: Hans Leidekker <hans at it.vu.nl>, wine-devel at winehq.org
> Betreff: Re: Unimplemented function KERNEL32.dll.FindFirstVolumeW
>
> > i`ve tracked this down to a watchdog issue.
> >
> > whenever i do "cat /dev/watchdog" - my system reboots after ~1 minute.
> >
> > i`ve contacted the maintainer of the watchdog subsystem.
> >
> > looks like a bug to me.
> >
> > thanks
> > roland
> >
> Hi!
> I think it's not a bug, it's a normal behaviour.
> The kernel watchdog is normally not active when the machine is booted,
> waiting for an user-space daemon to start handling of /dev/watchdog file
> (opening it and manipulating it from time to time to show that it's still
> alive). When you cat the file, kernel recognizes it as that such an app
> is taking over control of the watchdog and starts it. However, because
> cat closes the file immediately, it is not handled anymore and kernel
> recognizes it as a userspace problem, thus rebooting the machine after
> the timeout expires.
> With regards, Pavel Troller
>
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