Hi.
I solved some problems. I corrected pwc_isoc_handler() like kernel-2.6.
So, normally re-submitting URBs.
And, I corrected pwc_isoc_cleanup(). Before usb_unlink_urb(), I
inserted “urb->complete = NULL”.
So, I prevented “urb->complete = pwc_isoc_handler()” more. Continuity
“re-submit_urb” in pwc_isoc_handler() was
a cause of kernel oops. Finally, the camera is operating well.
But, I can operate USB camera only using an expedient. At first, when I
connect USB camera and play the picture,
reassigned used device and no more actions. Then, unplugged the USB
camera and replugged that, re-assigned
new device number and all operation is very well. No problem.
Why good result at second assign?
(operated the camera)
hub.c: USB new device connect on bus1/1, assigned device number 2
(Frozen. No more actions. So, unplug USB Camera)
usb.c: USB disconnect on device 2
pwc Disconnected while webcam is in use!
USB HC dev free
(Replugged the camera)
USB HC dev alloc 384 bytes
hub.c: USB new device connect on bus1/1, assigned device number 3
pwc Logitech QuickCam 4000 Pro USB webcam detected.
pwc Registered as /dev/video0.
(From now, All operation is good!! No problems)
[dmesg]
BH X 11 4 4 11 4 4 11 4 4 BH X 11
4 4 BH X 11 4 4 11 4 4 11 4 4 BH X
11 15
3 11 1 3 a 2 3 11 1 3
a 2 3 11 1 3 a 2 3 11 1 3
a 0
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:1 tp:0 eot_pc:c0038e80
hc_isp116x.c:x state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10496 tt:0
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10998 tt:0
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
762 136 19 846 129 18 499 0 380 191 30 9 0 747
135 18 844 131 17 851 131 19 294 0 579 2238 745 172
260 0 672 2128
11 4 4 11 4 4 BH X 11 4 4 BH X 11
4 4 11 4 4 11 4 4 BH X 11 15 11 4 BH
X 11 15
a 2 3 11 1 3 a 2 3 11
1 3 a 2 3 11 1 3 a 0 0 1
1 1
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:0 tp:0 eot_pc:40009f44
hc_isp116x.c:x state:1, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10149 tt:2
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10175 tt:0
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
27 9 0 809 177 30 779 131 17 851 165 20 417 0
427 207 31 94 0 644 137 19 840 133 18 848 132 17
242 0 637 2252
4 BH X 11 4 4 11 4 4 11 4 4 BH X
11 4 4 BH X 11 4 4 11 4 4 11 4 4
BH X 11 15
3 11 1 3 a 2 3 11 1 3
a 2 3 11 1 3 a 2 3 11 1 3
a 0
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:0 tp:0 eot_pc:c001bb54
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:9931 tt:0
hc_isp116x.c:x state:1, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:9720 tt:2
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
19 840 133 18 848 132 17 242 0 637 2252 728 143 281
0 690 91 134 0 744 152 18 833 165 19 819 144 22 190
0 663 2213
4 11 4 4 11 4 4 BH X 11 15 11 4 BH
X 11 4 BH X 11 4 4 11 4 4 11 4 4 BH
X 11 15
3 a 2 3 11 1 3 a 0 0 1
1 3 a 2 3 11 1 3 a 2 3
11 0
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:1 tp:0 eot_pc:c001bb54
hc_isp116x.c:x state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10662 tt:0
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:11342 tt:0
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
17 242 0 637 2252 728 143 281 0 690 91 134 0 744
152 18 833 165 19 819 144 22 190 0 663 2213 763 146
215 0 746 2111
4 BH X 11 15 11 4 BH X 11 4 BH X 11
4 4 11 4 4 11 4 4 BH X 11 15 11 4 BH
X 11 15
3 a 0 0 1 1 3 a
2 3 11 1 3 a 2 3 11 0 0 1
1 1
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:0 tp:0 eot_pc:402a5eac
hc_isp116x.c:x state:1, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10181 tt:2
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10180 tt:0
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
870 138 92 0 877 83 896 149 18 832 162 19 420 0
428 208 32 74 0 657 137 19 845 130 18 851 131 18
239 0 635 2220
11 4 BH X 11 4 11 4 4 11 4 4 BH X
11 4 4 BH X 11 4 4 11 4 4 11 4 4
BH X 11 15
1 1 1 3 a 2 3 11 1 3
a 2 3 11 1 3 a 2 3 11 1 3
a 0
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hc_isp116x.c: ITL BufferDone lost3, bstat:1 tp:0 eot_pc:40159854
hc_isp116x.c: * state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:11340 tt:0
hc_isp116x.c:x state:0, preq:8, prsp:300, req:8, rsp:300 full:3,
done:18, fmRemRsp:16384, fmRemReq:10641 tt:0
hc_isp116x.c: state:1, preq:8, prsp:8, req:0, rsp:0 full:4, done:20,
fmRemRsp:11527, fmRemReq:11252 tt:2
: HcuPInterrupt read history, elapsed time in usec, value, + bottom
half entry/exit
896 149 18 832 162 19 420 0 428 208 32 74 0 657
137 19 845 130 18 851 131 18 239 0 635 2220 758 145
226 0 736 2112
11 4 4 11 4 4 BH X 11 4 4 BH X 11
4 4 11 4 4 11 4 4 BH X 11 15 11 4 BH
X 11 15
a 2 3 11 1 3 a 2 3 11
1 3 a 2 3 11 1 3 a 0 0 1
1 1
hc_isp116x.c: USB HC reset_hc usb-: ctrl = 0x80 ;
hc_isp116x.c: reset device
hub.c: USB new device connect on bus1/1, assigned device number 2
err: a:0, ep:0, pid:0, t:1,slow:0,iso:0,last:1, len:0, maxps:8, cc:5
act:0
pxa-dmaWork.c: urb status -110, cc:5, good bytes before error: 0 of 0
err: a:2, ep:0, pid:0, t:1,slow:0,iso:0,last:1, len:8, maxps:8, cc:5
act:0
pxa-dmaWork.c: urb status -110, cc:5, good bytes before error: 0 of 8
err: a:2, ep:0, pid:0, t:1,slow:0,iso:0,last:1, len:8, maxps:8, cc:5
act:0
pxa-dmaWork.c: urb status -110, cc:5, good bytes before error: 0 of 8
err: a:2, ep:0, pid:0, t:1,slow:0,iso:0,last:1, len:8, maxps:8, cc:5
act:0
pxa-dmaWork.c: urb status -110, cc:5, good bytes before error: 0 of 8
err: a:2, ep:0, pid:0, t:1,slow:0,iso:0,last:1, len:8, maxps:8, cc:5
act:0
pxa-dmaWork.c: urb status -110, cc:5, good bytes before error: 0 of 8
usb.c: USB disconnect on device 2
pwc Disconnected while webcam is in use!
USB HC dev free
USB HC dev alloc 384 bytes
hub.c: USB new device connect on bus1/1, assigned device number 3
pwc Logitech QuickCam 4000 Pro USB webcam detected.
pwc Registered as /dev/video0.
pwc This Logitech QuickCam Pro 4000 camera is equipped with a Sony CCD
sensor + TDA8787 (32).
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