On Tuesday 11 July 2006 12:37 pm, Vivek Dharmadhikari wrote: > Hello David > > > You should have tried 76 _columns_ or _characters_ instead; > > that didn't improve anything. > > I meant 76 characters. Anyway, I suspect my mail server is overriding > the mail client options. I have switched to new mailer which I hope will > do line wrap correctly. Do let me know if you can read my response.
It worked this time, thanks. > After dumping the ring head(given below), I can confirm that the H bit > in dword1 is indeed 1. The ring head output is followed by output from > show_async() Good ... > ring head begin > vox160-ehci-hcd vox160-ehci-hcd.0: rh qh a1614000 n01614102 info 8000 0 > cq 0 nq 1 aq 160f000 t 40 I don't know what those mean... > ring head end > > qh/a1614100 dev2 hs ep1 02002102 40000000 (80008c01 data1 nak0) > a160f120 out len=512 02008c80 urb 8147e6e0 > > dword1 is ring head is 0x8000 indicating H bit is set but all the other > fields like endpoint number,device address are zeroed out. Is that ok ? It's also not enabled, so none of the values will be used. Yes, OK. > The current qtd pointer is null. The alternate qtd pointer is filled up > owing to OUT 31 bytes short packet which was NYETed and i hope that the > physical address 0x160f000 would correspond to virtual address > 0xa160f120 of qtd. The token field is 0x40 indicating that the halted > bit is set. Apparently the host controller is halted for some reason. is > that fair to assume ? No, go back and read the source code for where it sets up the ring head. That QTD is used for specific purposes ... see what they are, and what the EHCI spec says would happen when the controller tried to fetch such a QTD as part of advancing a QH. (Also see what I said about chip errata, that applied specifically in this area.) > On the other hand, the contents of status and > command register given below indicates that the HC is not halted. > > status 8008 Async FLR > command 010029 (park)=0 ithresh=1 Async period=256 RUN > > The status and command register do not agree with data from queue head. > Obviously there is a disconnect or may be I did not correlate the data > correctly. What is your comment ? You didn't understand the data you're seeing. All that data looks fine to me. - Dave ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
