Date: Sun, 27 Apr 2014 13:38:15 +0200 From: Hans Petter Selasky <hps@selasky.org> To: huanghwh@gmail.com Cc: "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org> Subject: Re: xhci controller problem on MBPr2013 Message-ID: <535CEC27.2030702@selasky.org> In-Reply-To: <CAB8uncbE_scWdMF2srL06Q5ty_mCxfBuX99fNKDEud6B7Ca6iw@mail.gmail.com> References: <CAB8uncZxftBZ8O6vhpyBBkMJABummPqBUieN3P3xruYL-tcukQ@mail.gmail.com> <CAB8uncZCTNk5XzFQ38KXJ1-DAvrpCF0ZR023UUn0Cu%2BCDhyFgA@mail.gmail.com> <535CA9FF.4090601@selasky.org> <CAB8uncbE_scWdMF2srL06Q5ty_mCxfBuX99fNKDEud6B7Ca6iw@mail.gmail.com>
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On 04/27/14 10:57, Huang Wen Hui wrote: > Hi, > The system hang at random place after pass xhci message. Before hangs, no > usb device > can attach in most time. > Hi, If you change IMOD_DEFAULT like shown below, does it make any difference? > === ./xhcireg.h > ================================================================== > --- ./xhcireg.h (revision 264804) > +++ ./xhcireg.h (local) > @@ -166,7 +166,7 @@ > #define XHCI_IMOD_IVAL_SET(x) (((x) & 0xFFFF) << 0) /* 250ns unit */ > #define XHCI_IMOD_ICNT_GET(x) (((x) >> 16) & 0xFFFF) /* 250ns unit */ > #define XHCI_IMOD_ICNT_SET(x) (((x) & 0xFFFF) << 16) /* 250ns unit */ > -#define XHCI_IMOD_DEFAULT 0x000001F4U /* 8000 IRQ/second */ > +#define XHCI_IMOD_DEFAULT 0x01F401F4U /* 8000 IRQ/second */ > #define XHCI_ERSTSZ(n) (0x0028 + (0x20 * (n))) /* XHCI event ring segment table size */ > #define XHCI_ERSTS_GET(x) ((x) & 0xFFFF) > #define XHCI_ERSTS_SET(x) ((x) & 0xFFFF) Second, if you comment out in xhci.c: /* catch any lost interrupts */ xhci_do_poll(&sc->sc_bus); Does that change anything? Try one change at a time. Thank you! --HPS
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