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Date:      Wed, 26 Dec 2012 18:00:01 GMT
From:      "Dieter BSD" <dieterbsd@engineer.com>
To:        freebsd-firewire@FreeBSD.org
Subject:   Re: kern/113785: [firewire] dropouts when playing DV on firewire
Message-ID:  <201212261800.qBQI01cA069893@freefall.freebsd.org>

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The following reply was made to PR kern/113785; it has been noted by GNATS.

From: "Dieter BSD" <dieterbsd@engineer.com>
To: bug-followup@FreeBSD.org
Cc: freebsd-firewire@freebsd.org
Subject: Re: kern/113785: [firewire] dropouts when playing DV on firewire
Date: Wed, 26 Dec 2012 12:51:25 -0500

 New info:
 
 I needed to return the NEC firewire controller to the machine it
 was borrowed from. Bought a new card with NEC chip to replace it.
 
 Differences:
 
 Old:
 <NEC uPD72871/2> mem 0xfdeff000-0xfdefffff irq 10 at device 8.0 on pci2
 OHCI version 1.0 (ROM=1)
 Phy 1394a available S400, 2 ports.
 Link S400, max_rec 1024 bytes.
 
 New:
 <NEC uPD72874> mem 0xfdffd000-0xfdffdfff irq 19 at device 8.0 on pci1
 OHCI version 1.10 (ROM=1)
 Phy 1394a available S400, 3 ports.
 Link S400, max_rec 2048 bytes.
 
 Additional difference is that old card is combo firewire and usb,
 new card is just firewire.
 
 With the old card, I had to get it into non CYCLEMASTER mode,
 but with the new card it works fine in CYCLEMASTER mode.
 So it appears that CYCLEMASTER mode vs non CYCLEMASTER mode
 isn't the problem.
 
 without camcorder:
 
 fwcontrol -u 1 -t
 crc_len: 6 generation:45 node_count:4 sid_count:4
 id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
 00    0      10  S400     0    0W     P     -         1    0
 01    1      10  S400     0    0W     P     C         0    0
 02    0      10  S400     0    0W     P     -     C   1    0
 03    1      10  S400     1   -1W     -     C     -   0    0
 
 (The other three lines must be the three repeaters.)
 
 power up camcorder:
 
 fwohci1: fwohci_intr_core: node_id=0x00000004, SelfID Count=46, CYCLEMASTER mode
 firewire1: 5 nodes, maxhop <= 4 cable IRM irm(4)  (me)
 firewire1: bus manager 4
 
 crc_len: 7 generation:46 node_count:5 sid_count:5
 id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
 00    1      63  S100     1    0W     -     P         1    0
 01    0       8  S400     0    0W     P     C         0    0
 02    1       8  S400     0    0W     P     C         0    0
 03    0       8  S400     0    0W     P     -     C   0    0
 04    1       8  S400     1   -1W     -     C     -   0    0
 
 Does this new info generate any new ideas about what the problem is,
 and how to get the VIA controller working?
 There are other cards that could go in that expansion slot.
 They are still putting VIA controllers on new mainboards.



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