** Changed in: linux (Ubuntu Eoan)
Status: Fix Committed => Fix Released
--
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/1857922
Title:
hpet lost interrupts on kdump
Status in
Bionic just got kernel 4.15.0-96 released with the fix, hence marking as
Fix Released.
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
The investigation was narrowed down to shared IRQs. Whenever an IRQ is
set to shared, if kernel is booted with irqpoll or irqfixup, at every
interrupt received all shared interrupt handlers are triggered. This is
specially performance harming for HPET-based RTC interrupt handler,
since HPET access
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
** Also affects: linux (Ubuntu Focal)
Importance: Medium
Assignee: Guilherme G. Piccoli (gpiccoli)
Status: In Progress
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also
Bisect concluded, the first bad commit is: 079062b28fb4 ("rtc: cmos:
prevent kernel warning on IRQ flags mismatch"). This commit basically
sets IRQ shared in the request_irq() call from rtc_cmos, so requires now
investigation on why this causes the issue with HPET.
--
You received this bug
5 matches
Mail list logo
