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From: Randolph Chung <randolph@tausq.org>
To: jsoe0708@tiscali.be
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] unaligned accesses
Date: Thu, 9 Jan 2003 23:36:59 -0800	[thread overview]
Message-ID: <20030110073659.GC31470@tausq.org> (raw)
In-Reply-To: <3E1AA8D500000856@ocpmta8.freegates.net>

> >Blame LaMont!
> >(yes, I'm just kidding, I've just been waiting for my chance to say
> >this... :-)
> >
> Do you think that this tcpdump pb is also related to Lamont job (to be honest
> I do not remember what was it?):

LaMont recently improved the unaligned handler to be more correct and
more robust... as well as handle more cases.
> ...
> Jan  9 09:59:58 fw01 kernel: tcpdump(4638): unaligned access to 0x0011e78a
> at ip=0x0002ab83
> Jan  9 09:59:34 fw01 kernel: tcpdump(4638): unaligned access to 0x0011e78e
> at ip=0x0002ab83
> ...

yes, tcpdump (and several other network tools) are known to generate a
lot of unaligned accesses.

> hmmm buggy: not always, the triky case is when you have to access to those
> kind of data encapsulated into a structure. I do not yet find any workaround
> or how to fix this kind of pb. Any idea (gcc-3.3?)?

eh? what do you mean? 

randolph
-- 
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/

  reply	other threads:[~2003-01-10  7:32 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-01-09  7:55 [parisc-linux] Printing problem with HP9000 712/80 and two more questions Vilmos Soti
2003-01-09  8:29 ` [parisc-linux] unaligned accesses Randolph Chung
2003-01-10  7:29   ` jsoe0708
2003-01-10  7:36     ` Randolph Chung [this message]
2003-01-10  8:24       ` jsoe0708
2003-01-10 12:52         ` Matthieu Delahaye
2003-01-10 13:45         ` jsoe0708
2003-01-10 16:29           ` Randolph Chung
2003-01-10 15:30         ` John David Anglin
2003-01-10 10:51       ` jsoe0708
2003-01-10 17:08         ` Matthew Wilcox
2003-01-10 18:47           ` jsoe0708
2003-01-10 22:13             ` Thibaut VARENE
2003-01-10 22:25               ` Thibaut VARENE
2003-01-12 15:25                 ` Joel Soete
2003-01-12 16:02                   ` Thibaut VARENE

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