From: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
To: davem@redhat.com (David S. Miller)
Cc: anton@samba.org, jes@trained-monkey.org, netdev@oss.sgi.com
Subject: Re: acenic lockup
Date: Wed, 7 May 2003 21:06:32 +0400 (MSD) [thread overview]
Message-ID: <200305071706.VAA00295@mops.inr.ac.ru> (raw)
In-Reply-To: <20030506.234316.68138442.davem@redhat.com> from "David S. Miller" at May 6, 3 11:43:16 pm
Hello!
> Its stuck there and never coming out. Alexey: I have a feeling you
> wrote this code, is that correct? :)
Yes, I did. I am not sure about barriers, I stopped attempts
to understand this long ago. Anyway, intel does not have anything
to put here, mb() at side updating pointer looks enough.
There is a real ugly BUG in the driver, ace_watchdog():
} else {
printk(KERN_DEBUG "%s: BUG... transmitter died. Kicking it.\n",
dev->name);
#if 0
netif_wake_queue(dev);
#endif
}
(#if is from my local tree). I remember we discussed this with Dave
and he was very angry about this flaw shared by most of drivers and, seems,
did not eat this fix.
So, if you see the message, it is surely this bug.
Alexey
next prev parent reply other threads:[~2003-05-07 17:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-07 7:06 acenic lockup Anton Blanchard
2003-05-07 6:43 ` David S. Miller
2003-05-07 17:06 ` Alexey Kuznetsov [this message]
2003-05-07 19:34 ` David S. Miller
2003-05-07 22:21 ` Alexey Kuznetsov
2003-05-08 16:00 ` David S. Miller
2003-05-08 17:11 ` Jeff Garzik
2003-05-08 16:09 ` David S. Miller
2003-05-08 17:27 ` Jeff Garzik
2003-05-14 11:40 ` Jamal Hadi
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