ubuntu-phonedations-bugs team mailing list archive

[Alfonso Sanchez-Beato <alfonso.sanchez-beato@xxxxxxxxxxxxx>]

Looking at the definition of the reply to RIL_REQUEST_GET_SIM_STATUS in

http://androidxref.com/4.4.2_r1/xref/hardware/ril/include/telephony/ril.h

I see that if RIL_CardStatus_v6::gsm_umts_subscription_app_index value
in the parcel is -1, it *should* mean that there is no GSM/UMTS
application in the SIM card. However, this looks broken in many
implementations (I get, for instance, index 8 for
"cdma_subscription_app_index" with one phone, although
"num_applications" is just one. The phone is not CDMA, so I guess the
card is from a GSM operator and really has a SIM/USIM application.

Maybe the right approach here is to not use the indexes in
RIL_CardStatus_v6 and look directly at the array
RIL_CardStatus_v6::applications, as each of them has an application
type.

@Ratchanan, would it be possible to obtain the full hex traces from you
phone? To get them please do as root in the phone:

# stop ofono
# OFONO_RIL_TRACE="" OFONO_RIL_HEX_TRACE="" OFONO_RIL_DEVICE=ril ofonod -n -d -P stktest,provision,sap,udev,dun,smart,hfp >& /tmp/ofono.txt

let it run for a few seconds and please attach the resulting file to the
bug.

-- 
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https://bugs.launchpad.net/bugs/1427788

Title:
  rilmodem: Do not always use sim's app in status->gsm_umts_index

Status in ofono package in Ubuntu:
  In Progress

Bug description:
  In driver/rilmodem/sim.c, function sim_status_cb, there is a line that
  set variable search_index to status->gsm_utms_index.

  The code then checks if the card_state returned by the GET_SIM_STATUS
  reply is PRESENT and search_index is less than num_apps.  If both are
  true, search_index is used to index the returned reply_sim_app array (
  which leads to undefined behavior if the index is negative ) and then
  passed to configure_active_app().

  The code should check search index, and if negative and num_apps >=1,
  set search_index to 0.

  ofono version 1.12.bzr6888+15.04.20150224 in Ubuntu 15.04
  Device: LG L90 Dual (I'm doing a port.)

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