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Connecting the BK650-CH UPS with a NAS Buffalo LS-QVL which running on a Linux，,I met the following issue after running some hours( duration < 3 hours):
1. Enalbe the "Synchronization with UPS" option on the admin WebUI;
2. "USB Connection Type" only has one option which is “USB Port（APC Style）”--So ,I guess this buffalo NAS should have passed a sort of certifcation with APC UPS as the screenshot:
3. Max 3 hours after "Synchroniztion with UPS" has been enalbed successfully, the NAS will enther a "fake-crash" state which means all the LEDs display correctly so I can say functionalities should be ok ,meanwhile I CAN PING the NAS successfully via PC, but I CAN NOT login to its WebUI and I can NOT power off the NAS by pressing power key--so I can't ensure the embeded functionalities is working correctly or not;
4. The only thing I can do is to remove the plug from the outlet at this time.
5. After the NAS has been re-powered on, I can check the kernel log as attached below;
6. If I disable the "Synchronization with UPS" , the NAS can work correctly for at least 2 days( the lognest duration I tested )
The ps information in the kernal:
The kernal log is:
May 23 07:48:18 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:48:40 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:48:40 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:48:40 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:49:12 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost established
May 23 07:49:44 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:49:44 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:49:44 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:49:44 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:49:44 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost established
May 23 07:49:44 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:50:04 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Server disconnected
May 23 07:50:55 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:50:57 SeanMediaRepo upsmon[24810]: Set username on [ups@localhost] failed: Server disconnected
May 23 07:50:57 SeanMediaRepo upsd[24812]: User admin@127.0.0.1 logged out from UPS [ups]
May 23 07:50:57 SeanMediaRepo upsd[24812]: write() failed for 127.0.0.1: Broken pipe
May 23 07:51:46 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Driver not connected
May 23 07:51:59 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:52:27 SeanMediaRepo upsd[24812]: write() failed for 127.0.0.1: Broken pipe
May 23 07:52:32 SeanMediaRepo upsd[24812]: User admin@127.0.0.1 logged into UPS [ups]
May 23 07:52:32 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost established
May 23 07:52:32 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:52:35 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:53:02 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:53:26 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:53:26 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:53:26 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:53:26 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:53:26 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost established
May 23 07:53:26 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:53:26 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:53:26 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:53:30 SeanMediaRepo last message repeated 4 times
May 23 07:53:30 SeanMediaRepo upsd[24812]: UPS [ups] data is no longer stale
May 23 07:55:04 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost established
May 23 07:55:56 SeanMediaRepo upsd[24812]: Data for UPS [ups] is stale - check driver
May 23 07:57:42 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 07:57:42 SeanMediaRepo upsmon[24810]: Communications with UPS ups@localhost lost
May 23 07:58:14 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 08:01:25 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 08:06:19 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 08:17:05 SeanMediaRepo upsmon[24810]: Poll UPS [ups@localhost] failed - Data stale
May 23 08:29:56 SeanMediaRepo syslogd 1.5.0: restart.
May 23 08:29:56 SeanMediaRepo kernel: klogd 1.5.0, log source = /proc/kmsg started.
May 23 08:29:56 SeanMediaRepo kernel: Cannot find map file.
May 23 08:29:56 SeanMediaRepo kernel: Loaded 35316 symbols from 10 modules.
May 23 08:29:56 SeanMediaRepo kernel: Booting Linux on physical CPU 0
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