On Sat, Jun 16, 2012 at 7:36 AM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > I should have been more specific earlier; I need to see all the "IRQ" > messages for at least 11 ms preceding each "IAA watchdog" message. If > there are no other such messages, let me know. > > Also, it would help a lot to have a log message added near the end of > ehci-q.c:start_unlink_async(), just before the ehci_writel() statement. > Something simple, like: > > ehci_info(ehci, "IAAD\n"); > Sorry for the delay. I added a print in like you requested, and here's a lot more context this time. FYI, there might have been a couple of lines of IAA watchdog that I missed here. $ dmesg | grep -C 10 "IAA watchdog" [ 336.474635] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 336.488135] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 336.488243] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 336.593234] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 336.593253] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 336.593326] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 336.596105] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 336.596365] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10021 [ 336.597854] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 336.597873] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 336.597925] ehci_hcd 0000:00:1a.7: IAA watchdog: status 8028 cmd 10021 [ 336.598603] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 336.598622] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 336.598685] ehci_hcd 0000:00:1a.7: IRQ: status 8028 cmd 10021 [ 336.598909] usb 1-4: link qh64-0001/ffff880520992e80 start 1 [1/0 us] [ 336.617895] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 336.618086] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 341.589184] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 341.590396] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 341.590415] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 341.590484] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 -- [ 373.807301] usb 1-4: link qh64-0001/ffff880520992e80 start 1 [1/0 us] [ 373.821254] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 373.821398] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 375.778432] ehci_hcd 0000:00:1a.7: IRQ: status 6009 cmd 10011 [ 375.778747] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10021 [ 375.787902] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 375.787922] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 375.787984] ehci_hcd 0000:00:1a.7: IRQ: status 8028 cmd 10021 [ 375.788608] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 375.788624] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 375.788722] ehci_hcd 0000:00:1a.7: IAA watchdog: status 8028 cmd 10021 [ 375.788856] usb 1-4: link qh64-0001/ffff880520992e80 start 1 [1/0 us] [ 375.798799] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 375.798846] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 375.970187] ehci_hcd 0000:00:1a.7: IRQ: status 6009 cmd 10011 [ 375.970545] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10021 [ 375.971795] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 375.971814] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 375.971876] ehci_hcd 0000:00:1a.7: IRQ: status 8028 cmd 10021 [ 375.972542] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 [ 375.972560] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD -- [ 516.863196] ehci_hcd 0000:00:1a.7: IRQ: status e009 cmd 10031 [ 516.863320] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.863330] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 516.863449] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 516.879178] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.879198] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 516.879302] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 516.884421] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.900274] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.900291] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 516.900364] ehci_hcd 0000:00:1a.7: IAA watchdog: status c028 cmd 10031 [ 516.906159] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.906266] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 516.920352] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 516.920548] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 517.025411] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 517.025431] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 517.025490] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 517.039277] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 517.039499] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10021 [ 517.041012] ehci_hcd 0000:00:1a.7: IRQ: status 8009 cmd 10021 -- [ 631.405844] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 632.385356] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 632.389849] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 632.389868] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 632.389935] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 632.404446] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 632.404580] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 633.389082] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 633.393075] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 633.393095] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 633.393125] ehci_hcd 0000:00:1a.7: IAA watchdog: status c028 cmd 10031 [ 633.403143] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 633.403314] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 634.392148] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 634.411922] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 634.412036] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 634.413904] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 634.413923] ehci_hcd 0000:00:1a.7: start_unlink_async: IAAD [ 634.413991] ehci_hcd 0000:00:1a.7: IRQ: status c028 cmd 10031 [ 634.414154] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 [ 634.417901] ehci_hcd 0000:00:1a.7: IRQ: status c009 cmd 10031 Austin Schuh -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
