Bug 85584 - usb keyboard blinks out
usb keyboard blinks out
Status: CLOSED WORKSFORME
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
9
All Linux
medium Severity medium
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Assigned To: Pete Zaitcev
Brian Brock
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Depends On:
Blocks:
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Reported: 2003-03-04 14:04 EST by Mike McLean
Modified: 2007-04-18 12:51 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2004-01-20 18:42:06 EST
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Description Mike McLean 2003-03-04 14:04:04 EST
* -re0227.....
* kernel-2.4.20-6

This has happened twice in the last 20 minutes.  The machine is a Proliant
ML330e with usb kbd and mouse attached, no ps/2 at all right now.

The first time this happened, it seemed to have happened mid-keystroke, since X
was behaving as if the ALT key was pressed (judging by mouse drag behavior). 
The second time, mouse drag behavior was normal.

Both times, I logged in remotely and ran xev.  It did not receive any keystroke
events.  The caps-lock key on the keyboard would not light up.  

Nothing unusual appeared in the system logs.

The first time, the problem disappeared when I switched the console with chvt. 
The second time, it seemed to disappear on it's own.
Comment 1 Mike McLean 2003-03-04 14:04:48 EST
[root@test114 root]# cat /proc/bus/usb/devices
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 4
B:  Alloc=211/900 us (23%), #Int=  2, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 0.00
S:  Product=USB OHCI Root Hub
S:  SerialNumber=d483f000
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms
T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=1.5 MxCh= 0
D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=03ee ProdID=5601 Rev= 1.00
S:  Product=Mitsumi USB Keyboard
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=01 Driver=hid
E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=10ms
T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#=  3 Spd=1.5 MxCh= 0
D:  Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=047d ProdID=1001 Rev= 1.00
S:  Manufacturer=Kensington
S:  Product=Kensington USB/PS2 Wheel Mouse
C:* #Ifs= 1 Cfg#= 1 A Wheel Mouse
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=hid
E:  Ad=81(I) Atr=03(Int.) MxPS=   4 Ivl=10ms
Comment 2 Mike McLean 2003-04-04 13:44:42 EST
I keep seeing this periodically.  Different keys seem to get °stuck° and no
other key will work.  Yesterday it was A,  today it appears to be capslock.

I found the following message in /var/log/messages:

Apr  4 13:31:06 test114 kernel: hid-core.c: ctrl urb status -110 received

this appeared both today and yesterday at about the time the problem occured.
Comment 3 Pete Zaitcev 2003-06-02 22:25:11 EDT
Mike, I'm generally at loss about this, but if this box is SMP, you probably
want to try the latest gingin errata, which has the fix for usb-ohci (bug 84814).
Your use of OHCI is the only clue to your bug currently.
Comment 4 Pete Zaitcev 2003-06-03 15:08:06 EDT
BTW, it is essential to use 2.4.20-18. There was a raft of problems
with usb in 2.4.20-13 (unlucky selection of upstreadm tree, nyah nyah :-()
Comment 5 Pete Zaitcev 2004-01-19 23:38:16 EST
Tried on Fedora yet?
Comment 6 Mike McLean 2004-01-20 17:30:39 EST
I have never been able to reproduce this reliably.  It was just
something that happened on my workstation a few times.

My workstation has since been upgraded to Fedora and I haven't seen
the problem since.

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