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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