SX20 : Facing issue for intermittent connectivity of touch panel 10 over the LAN
The unpairing happens over very random buty not frequently ( once in two months)
Errors observed on the Endpoint logs -
kernel: [ 2527.161773] WARNING: at drivers/cpufreq/cpufreq_interactive.c:295 cpufreq_interactive_timer+0x4c0/0x658()
kernel: [ 2527.161773] Modules linked in: cryptoloop
kernel: [ 2527.161804] [<c0016c44>] (unwind_backtrace+0x0/0xf8) from [<c059fcd4>] (dump_stack+0x20/0x24) (none) (none) kernel: [ 2527.161834] [<c059fcd4>] (dump_stack+0x20/0x24) from [<c0043874>] (warn_slowpath_common+0x64/0x74)
kernel: [ 2527.161865] [<c0043874>] (warn_slowpath_common+0x64/0x74) from [<c0043940>] (warn_slowpath_null+0x2c/0x34)
kernel: [ 2527.161895] [<c0043940>] (warn_slowpath_null+0x2c/0x34) from [<c03989c4>] (cpufreq_interactive_timer+0x4c0/0x658)
kernel: [ 2527.161895] [<c03989c4>] (cpufreq_interactive_timer+0x4c0/0x658) from [<c0398c08>] (cpufreq_interactive_idle_notifier+0xac/0x154)
kernel: [ 2527.161926] [<c0398c08>] (cpufreq_interactive_idle_notifier+0xac/0x154) from [<c05a998c>] (notifier_call_chain+0x54/0x94)
kernel: [ 2527.161956] [<c05a998c>] (notifier_call_chain+0x54/0x94) from [<c05a9a6c>] (atomic_notifier_call_chain+0x44/0x58)
kernel: [ 2527.161956] [<c05a9a6c>] (atomic_notifier_call_chain+0x44/0x58) from [<c0045e70>] (idle_notifier_call_chain+0x24/0x2c)
VSYNC Error --
touchmenu: WARNING: WARNING : vsynclfb: Failed to wait for VSYNC: Interrupted system call
touchmenu: INFO: Run setinactive
touchmenu: INFO: Exiting application due to being unpaired from other device(web, tsh)
Error 3 -
WARNING: QPropertyAnimation::updateState (opacity, QGraphicsWidget, ): starting an animation without start value
Observation so Far –
+ SX20 is on software version TC7.3.6
+ Touch Panel 10 is on software version TI7.3.6
+ Confirmed that the Touch Panel 10 and SX20 are connected to the same subnet and network.
+ The Touch panel 10 when connected to the other SX20 shows the intermittent unpairing as well.
+ SX20 has the CDP mode turned ON
+ UPnP mode is turned ON and is set to 600 seconds
+ Cannot get the software upgrade of the SX20 and touch Panel 10 due to company environment restrictions.
+ Cannot get the PCAP between the SX20 and the Touch Panel 10 as the issue is not reproducible on demand.
+ Cisco Switch is being used in the network (Not sure of model)
+ Made sure that the SX20 TouchPanel remote pairing option is turned ON
How to proceed from here ?
