This bug was fixed in the package linux-raspi-5.4 -
5.4.0-1019.21~18.04.1
---
linux-raspi-5.4 (5.4.0-1019.21~18.04.1) bionic; urgency=medium
* bionic/linux-raspi-5.4: 5.4.0-1019.21~18.04.1 -proposed tracker
(LP: #1894635)
* rpi3b+ becomes unresponsive after closing a program
This bug was fixed in the package linux-raspi - 5.4.0-1019.21
---
linux-raspi (5.4.0-1019.21) focal; urgency=medium
* focal/linux-raspi: 5.4.0-1019.21 -proposed tracker (LP: #1894636)
* rpi3b+ becomes unresponsive after closing a program (LP: #1880388) // Build
preemptible
This bug was fixed in the package linux-raspi - 5.8.0-1002.5
---
linux-raspi (5.8.0-1002.5) groovy; urgency=medium
* groovy/linux-raspi: 5.8.0-1002.5 -proposed tracker (LP: #1894068)
* Packaging resync (LP: #1786013)
- [Packaging] update update.conf
* Miscellaneous Ubuntu
** Also affects: linux-raspi (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-raspi (Ubuntu Bionic)
Status: New => Fix Committed
** Also affects: linux-raspi-5.4 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-raspi (Ubuntu
** Changed in: linux-raspi (Ubuntu Focal)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1890808
Title:
Build preemptible raspi kernels
To manage notifications
** Description changed:
[Impact]
- Hangs and lockups are observed when lots of USB interrupts occur.
+ Hangs and lockups are observed when lots of USB interrupts occur. The
+ FIQ handling in the dwc_otg driver seems to be particular susceptible to
+ this setting.
[Test Case]
** Changed in: linux-raspi (Ubuntu)
Status: New => Invalid
** Description changed:
- TBD
+ [Impact]
+
+ Hangs and lockups are observed when lots of USB interrupts occur.
+
+ [Test Case]
+
+ Connect a USB/serial adapter to the Pi. Run 'minicom -D /dev/ttyUSB0'.
+ Sent data over that
