OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Medium
  • Priority Very Low
  • Reported Version Trunk
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Average Joe - 30.12.2018

FS#2035 - Unable to use swap in ZRAM in trunk (brcm47xx).

I’ve gave a try to “trunk” build from 30 DEC on WL500GPv1 (brcm47xx - legacy). It generally works but swap-related things appear to be broken in trunk. At least some builds before this date also known to suffer from same problem.

To reproduce, easiest way:
1) Install trunk on WL500GP V1.
2) Install zram-swap script (opkg update; opkg install zram-swap).
3) Observe what happens.
4) Try to enable swap on zram manually to see what happens.

- When install of zram-swap script finishes, swap activation fails with the following: block: failed to swapon /dev/zram0 (-1)
- Exactly same issue if I try to mkswap & swapon manually or use my own custom scripting to bring up zram swap, etc (these were known to work earlier/in other systems).

I can see “zram” module is loaded, accepted all parameters, mkswap succeeds, but swapon always fails with obscure -1 error. Same for attempt to swapoff, etc. Seems that “block” thing backfires or so?


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