Date: Fri, 08 Apr 2022 13:56:42 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 252165] usb network and mii bus media status race condition Message-ID: <bug-252165-7501-EgvgYcUrzn@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-252165-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-252165-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252165 --- Comment #17 from Ali Abdallah <ali.abdallah@suse.com> --- After digging further into the code, I'm still unable to understand how the inversion described in comment 14 is even possible... On a spare system T430 with a USB ethernet, I've compiled the kernel with=20 options WITNESS options INVARIANTS options INVARIANT_SUPPORT options DEBUG_LOCKS options DIAGNOSTIC The up/down link issue is even more frequent with the debug kernel, but all= I see is=20 if_delmulti_locked: detaching ifnet instance 0xfffff8001880b800 ue0: link state changed to DOWN ue0: link state changed to UP ue0: link state changed to DOWN ue0: link state changed to UP ue0: link state changed to DOWN ue0: link state changed to UP This issue is driving me crazy, any fbsd kernel locking expert to help here? --=20 You are receiving this mail because: You are the assignee for the bug.=
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