Hello. On Tue, 2008-12-02 at 09:31, Dieter Spaar wrote: > > Stefan Schmidt wrote: >> To follow up on the #1024 traces. I fear you are still not able to reproduce >> the >> re-camping? > > No, I cannot reproduce it here. It seems that it requires a special GSM > net situation.
Pity. I will see if I can make some more logs this week. > From the PCO2 logs you made, it look like this without applying the > AT%SLEEP=2 workaround (Thank you for allowing to post this trace > overview). All times are relative, CID is the cell ID: > > 00:06:04:667 MMR_REG_CNF received: LAC: 0020, CID: DACC > 00:09:37:249 MMR_REG_CNF received: LAC: 0020, CID: DAB8 > 00:11:45:560 MMR_REG_CNF received: LAC: 0020, CID: 00CA > 00:12:41:293 MMR_REG_CNF received: LAC: 0020, CID: C834 > 00:14:24:681 MMR_REG_CNF received: LAC: 0020, CID: DACC > 00:14:48:234 MMR_REG_CNF received: LAC: 0020, CID: DAB8 > 00:15:23:502 MMR_REG_CNF received: LAC: 0020, CID: 00C0 > 00:16:22:414 MMR_REG_CNF received: LAC: 0020, CID: DACC > 00:16:49:465 MMR_REG_CNF received: LAC: 0020, CID: 00CA > > It seems that you have at least five cells for your network around > which can be received with a similar level. [ Hey, I think I have > buy more BS-11 base stations and install all of them to get > something similar here ;-) ] I would know a source for it, so will you. :) > On a first look the cell re-selections are done because > the GSM modem has decided that a different cell is better > than the current one. I would say that this is not necessarily > a wrong behavior of the GSM modem. The wrong part comes into play if one keep in mind that the phone sits on the same place all the time. > The situation is similar with the AT%SLEEP=2 workaround applied: > > 00:03:44:457 MMR_REG_CNF received: LAC: 0020, CID: DAB8 > 00:03:58:336 MMR_REG_CNF received: LAC: 0020, CID: 00CA > 00:04:32:477 MMR_REG_CNF received: LAC: 0020, CID: DACC > > (The trace is shorter so there are not that many cell re-selections). > > Is this a similar frequency of cell re-selections you see when Bug #1024 > is occurring ? I haven't counted it so far. > What image do you run on your phone ? FSO milestone 4.1 > I ask because I can see regular > activity on the AT command interface. For example every minute the > modem is asked about its SMS status (I wonder why the modem has > to be polled and why the unsolicited status messages from the modem > are not enough to find out if a new SMS has arrived). Hmm, mickey would know if this is a bug or feature. :) >> I still have the option open to have PCO2 disconnected and try to get some >> traces once the phone starts to show the bug. >> > > Yes, this would be great if you could try it out. Maybe there is a > different > behavior than. Will try to produce them this week. > I really appreciate your help. Hopefully if gives some hints to what is > going on. Of course my hope, too. :) regards Stefan Schmidt _______________________________________________ hardware mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/hardware
