Bug 79070 - setserial(8) fails on USB-connected serial ports
setserial(8) fails on USB-connected serial ports
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i686 Linux
medium Severity medium
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Assigned To: Pete Zaitcev
Brian Brock
Depends On:
Blocks: 78984
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Reported: 2002-12-05 06:30 EST by MIchael Kolmodin
Modified: 2007-04-18 12:48 EDT (History)
0 users

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2004-01-17 12:11:18 EST
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RHEL 7.3 requirements from Atomic Host:
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Description MIchael Kolmodin 2002-12-05 06:30:06 EST
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2b) Gecko/20021016

Description of problem:
Using a serial port connected via USB, setserial fails with the message
"Cannot get serial info: Invalid argument" for all comands.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.Connect a serial port to the USB bus, verify it's up&running.
2.Issue any setserial <USB-port> command.
3. Watch the error message

Actual Results:  Error message as described above

Expected Results:  Either functionality as described in the setserial(8)
manpage, or a decent error message saying that this kind of device isn't supported
by setserial.

Additional info:

If setserial isn't implemented for these devices, the documentation must be
overhauled. In particular, the description for how to set up 
pppd relies on a working setserial.
Comment 1 Pete Zaitcev 2003-08-08 16:58:11 EDT
May I look at /proc/bus/usb/devices?
Comment 2 Pete Zaitcev 2004-01-17 12:11:18 EST
No time to write the code for that feature. Bug the author...

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