Date: Tue, 16 Dec 2008 19:29:13 +0000 From: Dieter <freebsd@sopwith.solgatos.com> To: freebsd-firewire@FreeBSD.org, freebsd-drivers@FreeBSD.org, bug-followup@FreeBSD.org Subject: Re: kern/118093: firewire bus reset hogs CPU, causing data to be lost Message-ID: <200812170329.DAA17848@sopwith.solgatos.com> In-Reply-To: Your message of "Tue, 16 Dec 2008 09:51:44 PST." <4947EAB0.3020704@miralink.com>
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Sean> Which file in dev/firewire are you looking at?
fwohci.c and firewire.c
examples:
printf("non CYCLEMASTER mode\n");
device_printf(fc->dev, "Initiate bus reset\n");
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Warner> This can't be the case. There's no SPL involved at all. Maybe
Warner> removing the printfs causes an interrupt to be serviced faster,
Warner> resulting in what appears to be better performance...
With the printfs, Ethernet is not getting serviced. This
is repeatable and easily reproduced. Without the printfs,
it seems ok.
If it isn't spl, what is locking out Ethernet?
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