Date: Mon, 29 Aug 2016 15:42:37 +0100 From: Miguel C <miguelmclara@gmail.com> To: Hans Petter Selasky <hps@selasky.org> Cc: Oleg Nauman <oleg.nauman@gmail.com>, "freebsd-multimedia@freebsd.org" <freebsd-multimedia@freebsd.org> Subject: Re: [CFT] New version of webcamd, now v4.8.0.2 Message-ID: <CADGo8CXJXOrk1apYG4oOqcqA5w8gjUHOuo4=8w%2BVFTp_G%2BFpCg@mail.gmail.com> In-Reply-To: <CADGo8CXr7eEgyPGQtG1m0oFr6mY2TXgeoX9iFCnTCZ33yxB5Yg@mail.gmail.com> References: <d2b588e6-33b3-9523-1551-a1d9deabdf8c@selasky.org> <CAC5YPTuYnx=_riiW6uiVGzKbcK-kLsb81bX1u4JUc8CCz%2BAoXg@mail.gmail.com> <CADGo8CUKUA3GR_Y5yjx9x5z6jd-3HZTBXjV9xyKF%2BAmPrrs0Hw@mail.gmail.com> <050b048b-b73d-0823-885a-e8ab88f070e8@selasky.org> <CADGo8CX_kw_Cofhe4nh%2B-a4kq-h_CHvvHboJPWTPgcFxkmN0ew@mail.gmail.com> <cc2351e2-c171-4b35-0284-5ef21bbeee85@selasky.org> <CADGo8CUx9yMNPZ0mCk-GzdpvsWESgiy_mKaXQBC=K93xtd_qNQ@mail.gmail.com> <a6767e23-a8fa-e6f3-6575-049b308f7916@selasky.org> <CADGo8CXr7eEgyPGQtG1m0oFr6mY2TXgeoX9iFCnTCZ33yxB5Yg@mail.gmail.com>
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>
>
>>> 631 urb->status = -EINPROGRESS;
>>>
>>
>> This submit looks successful. Just enter "continue" after you see
>> "-EINPROGRESS". I need to figure out the failing case.
>>
>> Also do:
>>
>> print *uhe
>>
>> once while you are in this function.
>>
>> It might also be you can enter a breakpoint on the line number for
>> "return -EPIPE" in urb_submit() via GDB and catch that.
>
>
> How would I do that? something like "break linux_usb.c:613"
>
> btw I always kill webcamd, but even if not it seems smart enough to detect
> if other instances are running :)
> ie: "Webcamd is already running for ugen0.4.0"
>
Assuming I did this the correct way :P
631 urb->status = -EINPROGRESS;
(gdb) print *uhe
$2 = {desc = {bLength = 7 '\a', bDescriptorType = 5 '\005',
bEndpointAddress = 135 '\207', bmAttributes = 3 '\003',
wMaxPacketSize = 16, bInterval = 8 '\b', bRefresh = 0 '\0',
bSynchAddress = 0 '\0'}, ss_ep_comp = {
bLength = 0 '\0', bDescriptorType = 0 '\0', bMaxBurst = 0 '\0',
bmAttributes = 0 '\0', wBytesPerInterval = 0},
bsd_urb_list = {tqh_first = 0x802092070, tqh_last = 0x802092070},
bsd_xfer = 0x8020764c0,
extra = 0x80206cfe6 "\005%\003\020", extralen = 5, bsd_iface_index = 0
'\0', align = 0x8020764e0}
help
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