Date: Mon, 29 Oct 2018 10:38:06 -0700 From: John Baldwin <jhb@FreeBSD.org> To: Rajesh Kumar <rajfbsd@gmail.com> Cc: freebsd-drivers@freebsd.org, freebsd-current@freebsd.org Subject: Re: Has anything changed from 11.2 to 12.0 in PCI MSI/MSIX path? Message-ID: <2b2d11cb-2196-0214-a3f2-8ab75c7c0248@FreeBSD.org> In-Reply-To: <CAAO%2BANOTD90zLThJHR_LfddF8cvM_N9B7rLcpZ6vcnoY9HNb9A@mail.gmail.com> References: <CAAO%2BANOkcmE6Roj7RLPYaYmD4hJu3cdHrAvUfmxb%2B8EkiSu4iA@mail.gmail.com> <2a595c73-4a93-6e3f-f93d-9038baeeb18a@FreeBSD.org> <CAAO%2BANOTD90zLThJHR_LfddF8cvM_N9B7rLcpZ6vcnoY9HNb9A@mail.gmail.com>
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On 10/25/18 10:24 AM, Rajesh Kumar wrote: > Hi John, > > Thanks a lot. It helps. I backported the changes to 11.2 and tried booting in my board with success without any need for the said tunables. > > I see those changes are marked for MFC after 2 Weeks. But I don't see them still in stable/11 branch. So, will it be taken into stable/11 branch by any chance? If not, can the backported changes be submitted for review to take into stable/11 branch? I'm working on the MFC. The current patch I've tested an MFC of is the one to unify sys/x86/include/intr_machdep.h as a precursor to MFC'ing this change. > On Thu, Oct 25, 2018 at 1:17 AM John Baldwin <jhb@freebsd.org <mailto:jhb@freebsd.org>> wrote: > > On 10/24/18 3:40 AM, Rajesh Kumar wrote: > > Hi, > > > > I have a amd64 based board. When I tried to boot 11.1 (or) 11.2 in that, I > > needed the following tunables to be set from loader prompt to get it booted > > (otherwise machine reboots continuously). > > > > hw.usb.xhci.msi=0 > > hw.usb.xhci.msix=0 > > hw.pci.enable_msi=0 > > hw.pci.enable_msix=0 > > > > But, when I tried with 12.0 - ALPHA4, I could able to get it booted without > > any tunables. So, has anything changed significantly on PCI MSI/MSI-X > > path? > > > > Note: I have a forum topic with my observations about the issue on > > 11.1/11.2 in the following thread > > https://forums.freebsd.org/threads/freebsd-11-1-installation-fails-and-rebooting.65814/ > > > > Let me know if you need any details. > > I believe this was fixed by r338360. > > -- > John Baldwin > -- John Baldwin
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