Örjan Friberg wrote:

but tests 14 through 16 fail:

/proc/bus/usb/003/067 test 14 --> 22 (error 22)
/proc/bus/usb/003/067 test 15 --> 33 (error 33)
/proc/bus/usb/003/067 test 16 --> 33 (error 33)

Tests 15 and 16 (iso-out and iso-in, respectively) run successfully when invocating testusb from the test.sh script (the above output was from a ./testusb -a run).


What's more concerning is that after running the iso-out test my kernel log spews out

bad: scheduling while atomic!
 [<c027d3fc>] schedule+0x47c/0x490
 [<c0106aec>] common_interrupt+0x18/0x20
 [<c01040c3>] cpu_idle+0x33/0x40
 [<c033079a>] start_kernel+0x19a/0x1e0
 [<c0330380>] unknown_bootoption+0x0/0x160

forcing me to reboot the machine. Since my USB speakers (also using iso-out) work just fine, I'm thinking the usbtest driver may be missing an unlock somewhere. Anyone recognize this or knows what the problem is?

(Greg KH's 2.6.10 patch (at http://marc.theaimsgroup.com/?l=linux-usb-devel&m=110516407500085&w=2) mentions the "scheduling while atomic" but in a resume context.)

--
Orjan Friberg
Axis Communications



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