A very strange thing happened today. My roommate was complaining that his memory card went missing this afternoon. And now I found that my memory card is also missing. I don't know what to say.

It can't be someone staling it. If so he/she could have taken the phone itself or the two laptops in my room. Now I want to know when the memory card was ejected.

How do I find that? It should be logged somewhere in the system logs(dmesg), right?

  • @Firelord I have root access, but I can't seem to grep the output of dmesg. I can't filter out any relevant information. Commented Oct 12, 2015 at 17:03
  • Your Android version? I asked it because in my Android 4.2.1 many important logs are under /data/log_other_mode/ but my Lollipop doesn't have such location. Also, do cat /proc/kmsg and cat /proc/last_kmsg (once saw it here).
    – Firelord
    Commented Oct 12, 2015 at 17:17
  • @Firelord I am running 4.4.2. What keywork should I use to filter the logs? "mmc"? dmesg | grep -i mmc does not provide anything. It only brings up something related to mmcqd (Here). I am currently going trough kmsg, but seem to be getting the same thing. Commented Oct 12, 2015 at 17:41
  • Sorry, that I can't help much because my Lollipop device doesn't have any support for external SD card but based on JB I was able to see keywords like EXTERNAL_STORAGE inside /data/log_other_mode/kernel_log. My question is, where is the SD card slot in the device? Can the card be pulled out without shutting down the device? If not, then the logs may not show anything good because after a reboot I suppose Android would have rewritten the logs. But keep searching.
    – Firelord
    Commented Oct 12, 2015 at 17:51
  • @Firelord I checked the uptime, and it has not been shut down for days. But the dmesg messages seem to be incomplete. It does not start from time 0. Commented Oct 12, 2015 at 17:54


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