Date: Tue, 23 Dec 2014 11:26:32 -0700 (MST) From: kott <kmatpral@yahoo.com> To: freebsd-usb@freebsd.org Subject: usb_pc_cpu_flush Message-ID: <1419359192795-5975583.post@n5.nabble.com>
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Hello - I am seeing this fault when i plugin a external usb device, and was wondering if this indicates DMA/Cache coherency problem ----- _ehci_append_qh: 0xf3dd2300 to 0xf3dc3c00 Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex ehci0 (usb_def_mtx) r = 0 (0xc73ece74) locked @ sys/dev/usb/usb_transfer.c exclusive sleep mutex USB device mutex (USB device mutex) r = 0 (0xc73da850) locked @ /sys/dev/usb/usb_transfer.c Stopped at usb_pc_cpu_flush+0xc: ldr r2, [r0, #0x018] ---------------------------- Thanks kott -- View this message in context: http://freebsd.1045724.n5.nabble.com/usb-pc-cpu-flush-tp5975583.html Sent from the freebsd-usb mailing list archive at Nabble.com.
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