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FS#2150 - Crashlogs are empty/borken - TD-W8970 v1 #6997

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openwrt-bot opened this issue Feb 27, 2019 · 0 comments
Open

FS#2150 - Crashlogs are empty/borken - TD-W8970 v1 #6997

openwrt-bot opened this issue Feb 27, 2019 · 0 comments
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flyspray kernel pull request/issue with Linux kernel related changes

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Vento:

Device TD-W8970 v1.
Lot of crashes, all does not produce anything on logs (even tried to crank up log levels and saving to USB, to be sure to read last lines logged, but no errors is shown).
After the automatic reboot I can see the message Crashlog allocated RAM at address 0x3f00000 with logread.
No log file is generated inside /sys/kernel/debug.
I compiled a custom image with /dev/mem enabled and dumped the memory after 0x3f00000 (basically last MB of ram available) and I can only see the bytes "A1 EE DE AD" followed by ~1KB of "00" and after that probably other programs code.

In this thread there is the full explanation [[https://forum.openwrt.org/t/td-w8970-v1-crash-with-no-visible-errors-in-logs/31781|about how this device is currently unstable, and having no logs available makes debugging x10 times harder.]].

@aparcar aparcar added the kernel pull request/issue with Linux kernel related changes label Feb 22, 2022
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Labels
flyspray kernel pull request/issue with Linux kernel related changes
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