For the last couple of weeks (then in karmic, now in lucid), gmail docklet has a lot of network errors (gray icon).
I just clicked "check mail" to update the mail count but it went gray and printed the following in the terminal:
[Error 22:50:00.387] [GMailAtom] System.Threading.ThreadAbortException: Thread was being aborted
at (wrapper managed-to-native) System.Threading.WaitHandle:WaitOne_internal (intptr,int,bool)
at System.Threading.WaitHandle.WaitOne (Int32 millisecondsTimeout, Boolean exitContext) [0x00000]
at System.Net.WebAsyncResult.WaitUntilComplete (Int32 timeout, Boolean exitContext) [0x00000]
at System.Net.WebConnectionStream.Read (System.Byte[] buffer, Int32 offset, Int32 size) [0x00000]
at System.Xml.XmlInputStream.Read (System.Byte[] buffer, Int32 offset, Int32 count) [0x00000]
at System.Xml.NonBlockingStreamReader.ReadBuffer () [0x00000]
at System.Xml.NonBlockingStreamReader.Read (System.Char[] dest_buffer, Int32 index, Int32 count) [0x00000]
at Mono.Xml2.XmlTextReader.ReadTextReader (Int32 remained) [0x00000]
at Mono.Xml2.XmlTextReader.PeekChar () [0x00000]
at Mono.Xml2.XmlTextReader.ReadText (Boolean notWhitespace) [0x00000]
at Mono.Xml2.XmlTextReader.ReadContent () [0x00000]
at Mono.Xml2.XmlTextReader.Read () [0x00000]
at System.Xml.XmlTextReader.Read () [0x00000]
at Mono.Xml.EntityResolvingXmlReader.Read () [0x00000]
at Mono.Xml.Schema.XsdValidatingReader.Read () [0x00000]
at System.Xml.XmlValidatingReader.Read () [0x00000]
at System.Xml.XmlDocument.ReadNodeCore (System.Xml.XmlReader reader) [0x00000]
at System.Xml.XmlDocument.ReadNodeCore (System.Xml.XmlReader reader) [0x00000]
at System.Xml.XmlDocument.ReadNodeCore (System.Xml.XmlReader reader) [0x00000]
at System.Xml.XmlDocument.ReadNode (System.Xml.XmlReader reader) [0x00000]
at System.Xml.XmlDocument.Load (System.Xml.XmlReader xmlReader) [0x00000]
at System.Xml.XmlDocument.Load (System.IO.Stream inStream) [0x00000]
at GMail.GMailAtom.<CheckGMail>m__9 () [0x00000]
docky r1309