[OpenWrt-Devel] uhttpd/luci/rpcd is broken?

e9hack e9hack at gmail.com
Mon Jan 6 11:39:32 EST 2020

Am 06.01.2020 um 17:20 schrieb Petr Štetiar:
> e9hack <e9hack at gmail.com> [2020-01-06 16:59:47]:
>> it looks like that uhttpd/luci/rpcd is broken again. The call 'ubus call
>> luci-rpc getWirelessDevices' does fail 'Command failed: Request timed out'.
> can you provide little bit more details?  I don't see any problems with
> `OpenWrt 19.07-SNAPSHOT, r10857-abb0665bec` running on TP-Link Archer C7 v5.

Router is a TP-Link Archer C7 v2. I'm using the last main revision: OpenWrt SNAPSHOT r11924-99dd2709b8. After login in uhttpd/luci, the first page times out and forces new login. From my last experience with a uhttp/luci crash, I checked all used ubus calls in a shell. 'ubus call luci-rpc getWirelessDevices' does time out and generates a page fault: 

Mon Jan  6 17:21:32 2020 kern.info kernel: [ 2361.197629] do_page_fault(): sending SIGSEGV to rpcd for invalid write access to 00000000
Mon Jan  6 17:21:32 2020 kern.info kernel: [ 2361.206094] epc = 77f25588 in libc.so[77f08000+9b000]
Mon Jan  6 17:21:32 2020 kern.info kernel: [ 2361.211275] ra  = 77df59d5 in luci.so[77df4000+15000]

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