Bug 209571
Summary: | mt7601u device causes panic on removal | ||
---|---|---|---|
Product: | Networking | Reporter: | Jarod Wilson (jarod) |
Component: | Wireless | Assignee: | networking_wireless (networking_wireless) |
Status: | NEW --- | ||
Severity: | high | CC: | kubakici, lorenzo.bianconi83, nbd |
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
Kernel Version: | 5.9-rc8 | Subsystem: | |
Regression: | No | Bisected commit-id: | |
Attachments: |
Screen shot of panic with kernel 5.9-rc8
Screen shot of panic with kernel 5.9-rc8 v2 |
Description
Jarod Wilson
2020-10-07 18:20:32 UTC
Note: was able to take a screen shot of the laptop display after a panic under 5.9-rc8, and it does look like the same panic. Can upload the pic shortly... Created attachment 292895 [details]
Screen shot of panic with kernel 5.9-rc8
With an earlier kernel that doesn't instantly panic, I see: [ 1115.223575] usb 2-1: USB disconnect, device number 7 [ 1115.229573] mt7601u 2-1:1.0: Warning: TX DMA did not stop! [ 1117.629508] mt7601u 2-1:1.0: Warning: MAC TX did not stop! [ 1118.230508] mt7601u 2-1:1.0: Warning: MAC RX did not stop! [ 1118.230521] mt7601u 2-1:1.0: Warning: RX DMA did not stop! I assume this might be a relevant hint. The attachment has a highly unusual format, I can't open it on Fedora 32 :( FWIW Lorenzo Bianconi or Stanislaw Gruszka had been fixing this driver in the past, they may know off the top of their head what this is. Created attachment 293131 [details]
Screen shot of panic with kernel 5.9-rc8 v2
Sorry about that, some sort of iPhone image format there, I've exported it to a jpeg and attached that instead.
Thanks! That's a strange stack trace, looks like something socket related gets triggered from ieee80211_tx_status(). Would you mind sending an email out to linux-wireless, and CCing Felix Fietkau? Looks like he was touching status reporting recently. Throwing Felix and Lorenzo on cc here on the bug, will send something to linux-wireless today as well. |