Date: Tue, 17 Feb 2015 07:53:29 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-usb@FreeBSD.org Subject: [Bug 156596] [ehci] Extremely high interrupt rate on ehci/uhci IRQ16 80% cpu utilization on CPU0 Message-ID: <bug-156596-17-JABt3zjQDo@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-156596-17@https.bugs.freebsd.org/bugzilla/> References: <bug-156596-17@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=156596 --- Comment #18 from commit-hook@freebsd.org --- A commit references this bug: Author: hselasky Date: Tue Feb 17 07:52:51 UTC 2015 New revision: 278883 URL: https://svnweb.freebsd.org/changeset/base/278883 Log: Try to resolve infinite interrupts by clearing an undocumented interrupt status bit. According to the UHCI controller specification the host controller halted interrupt is non-maskable. PR: 156596 Tested by: adrian @ MFC after: 1 week Changes: head/sys/dev/usb/controller/uhci.c -- You are receiving this mail because: You are the assignee for the bug.
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