@Kamal yes this seems to fix it. I was able to run my device stress test for over 15 minutes. With the bug I was lucky if I could make it 15 seconds.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1843487 Title: UIO: mutex used in interrupt handler causes crash Status in linux package in Ubuntu: In Progress Bug description: Running: Bionic Beaver Ubuntu 4.15.0-62.69-generic 4.15.18 Problem since: Ubuntu-4.15.0-59.66 In commit 725bbc87 on 2/13/2019 in uio.c a mutex_lock was added to uio_interrupt. This results in a "scheduling while atomic" error if someone else owns the mutex at the time it is invoked. The following commit in the kernel mainline appears to fix this issue: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3d27c4de8d4fb2d4099ff324671792aa2578c6f9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1843487/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
