Date: Tue, 9 Nov 2004 22:08:44 +0800 From: tzhuan <tzhuan@gmail.com> To: firewire@freebsd.org Subject: Re: fwcontrol -R can't work Message-ID: <6a70337104110906085774baae@mail.gmail.com> In-Reply-To: <87vfcgzagc.wl@tora.nunu.org> References: <87wtwyzii3.wl@tora.nunu.org> <6a70337104110601367f99268a@mail.gmail.com> <6a703371041107133122e10da2@mail.gmail.com> <87vfcgzagc.wl@tora.nunu.org>
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On Mon, 08 Nov 2004 23:23:15 +0900, Hidetoshi Shimokawa <simokawa@freebsd.org> wrote: > At Mon, 8 Nov 2004 05:31:35 +0800, > > I repeat the command and get the following error: > > (I press <UP><RETURN> after the previous fwcontrol exit about 1 second) > > > > huan# fwcontrol -R /dev/null > > NTSC > > 0123(108 blocks padded)4(249 blocks padded)fwcontrol: unknown format 0x3b > > huan# fwcontrol -R /dev/null > > NTSC > > 0fwcontrol: read failed: Input/output error > > huan# fwcontrol -R /dev/null > > NTSC > > 0123(33 blocks padded)4(249 blocks padded)fwcontrol: unknown format 0x3b > > huan# fwcontrol -R /dev/null > > NTSC > > 0123fwcontrol: unknown format 0x5 > > huan# fwcontrol -R /dev/null > > NTSC > > 0123(249 blocks padded)fwcontrol: unknown format 0x3b > > huan# fwcontrol -R /dev/null > > NTSC > > 01(0 blocks padded)fwcontrol: unknown format 0x5 > > huan# > > You seem to get only a few frames and lost some packets after that. > Your machine may be too slow to catch up with DV data or some bad hardware > causes packet loss. Oh..... This machine is IBM X30 with P-3m 1.2G, and the firewire chipset is Ricoh R5C552. Is it fast enough fot this work? > > Did you disable witness and other debug options which affect > performace in -current? Yes, I disable all debugging options in kernel and malloc debugging flags in userland. The kernel and world are compiled with -O2. > > > > Sorry that I'm not sure what do you mean? > > > > When I test fwcontrol yesterday and today, there is no other message > > dump (the fwcontrol just show something, exit, then return to prompt) > > , and there is nothing in /var/log/message. > > If your machine cannot catch up with DV data , I expect 'IR DMA overrun ...' > messages in dmesg. I don't find it, this is the dmesg: http://home.so-net.net.tw/recluseh/dmesg
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