From: Alistair John Strachan <s0348365@sms.ed.ac.uk>
To: Duncan Sands <duncan.sands@free.fr>
Subject: speedtch driver, 2.6.14.2
Date: Wed, 23 Nov 2005 21:25:25 +0000
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Hi Duncan,

I recently switched from the userspace speedtouch driver to the in-kernel one. 
However, on my rev 4.0 Speedtouch 330, I periodically get the message:

ATM dev 0: error -110 fetching device status

I suspect the source of this "error" is the warning message from speedtch:435:

	ret = speedtch_read_status(instance);
	if (ret < 0) {
		atm_warn(usbatm, "error %d fetching device status\n", ret);
		instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);
		return;
	}

Tell me if I'm wrong, but I suspect speedtch_check_status() is called 
periodically to check line status. It may be the case that my modem does not 
like having its status read when it is sending/receiving data (which it is 
constantly doing).

Unfortunately the message eventually fills the dmesg ring buffer. My current 
workaround is to remove the atm_warn() call; everything works fine, but I'm 
concerned that the modem will not automatically reconnect if the connection 
drops as a result of the failure from speedtch_read_status().

Any suggestions for debugging this further? From a quick google I've noticed a 
recent Fedora bugzilla entry mentioning this same problem.

-- 
Cheers,
Alistair.

'No sense being pessimistic, it probably wouldn't work anyway.'
Third year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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