From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: [PATCH] avoid unaligned access to data
Date: Sat, 13 Mar 2004 00:11:19 +0000 [thread overview]
Message-ID: <20040313001119.GA6224@kroah.com> (raw)
In-Reply-To: <20040229204531.GA25308@suse.de>
On Sat, Mar 13, 2004 at 12:59:39AM +0100, Olaf Hering wrote:
> On Fri, Mar 12, Greg KH wrote:
>
> > On Fri, Mar 05, 2004 at 11:21:36PM +0100, Olaf Hering wrote:
> > > On Sun, Feb 29, Olaf Hering wrote:
> > >
> > > >
> > > > the data access in udevinfo is usually unaligned, due to the fact that
> > > > the struct is at offset strlen(sysfspath). That makes an ia64 kernel
> > > > rather unhappy. Unless I miss something, this change makes it happy by
> > > > making an incompatible change to the database.
> > > >
> > >
> > > What is the plan here, Greg?
> >
> > Greg didn't see this patch :(
> >
> > Next time please cc patches to me so I make sure I don't miss them. I
> > tend to get a _lot_ of email...
> >
> > Anyway, what is the error that happens on a ia64 box?
>
> it complains about unaligned memory access.
>
> udevinfo(4922): unaligned access to 0x6000000000015747, ip=0x4000000000001dd0
So all userspace programs have to be modified to prevent this from
happening?
Does it cause a segfault, or just a warning in the syslog?
Seems like a pretty stupid architecture to be complaining of this :)
thanks,
greg k-h
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next prev parent reply other threads:[~2004-03-13 0:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-29 20:45 [PATCH] avoid unaligned access to data Olaf Hering
2004-03-05 22:21 ` Olaf Hering
2004-03-12 23:40 ` Greg KH
2004-03-12 23:41 ` Greg KH
2004-03-12 23:59 ` Olaf Hering
2004-03-13 0:03 ` Olaf Hering
2004-03-13 0:11 ` Greg KH [this message]
2004-03-13 9:58 ` Olaf Hering
2004-03-13 16:57 ` Johannes Erdfelt
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