Date: Sun, 16 Jun 2019 20:17:56 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 205549] bhyve pci passthru stops working after guest is restarted Message-ID: <bug-205549-27103-pkC7jblPD6@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-205549-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-205549-27103@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D205549 julien M <julien.mstr320@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |julien.mstr320@gmail.com --- Comment #9 from julien M <julien.mstr320@gmail.com> --- Having the same issue here with: FreeBSD 12.0-STABLE r349117 GENERIC amd64 (Generic kernel WITH xhci support) I patched stable with revisions 348778 and 348779 + D20623. FIRST TRY (vm create + vm install): BEFORE installing Ubuntu 18.04 on Bhyve: $ pciconf -r ppt4 0x3f 145c1022 00100007 0c033000 00800010 d9b00004 00000000 00000000 00000000 00000000 00000000 00000000 50071458 00000000 00000048 00000000 00000325 AFTER REBOOT: $ pciconf -r ppt4 0x3f 145c1022 00100407 0c033000 00800010 d9b00004 00000000 00000000 00000000 00000000 00000000 00000000 50071458 00000000 00000048 00000000 00000325 CHANGES: 00100007 =3D> 00100407 SECOND TRY (vm destroy, vm create, vm install): AFTER issuing: vm install linux linux.iso (while ubuntu is installing): $ pciconf -r ppt4 0x3f 145c1022 10100407 0c033000 00800010 d9b00004 00000000 00000000 00000000 00000000 00000000 00000000 50071458 00000000 00000048 00000000 00000325 CHANGES: 00100407 =3D> 10100407 THIRD TRY (vm destroy, vm create, vm install): AFTER issuing: vm install ...: $ pciconf -r ppt4 0x3f 145c1022 10100407 0c033000 00800010 d9b00004 00000000 00000000 00000000 00000000 00000000 00000000 50071458 00000000 00000048 00000000 00000325 CHANGES: NONE It seems that the FIRST install is breaking everything by changing 00100007= to 00100407. After a FreeBSD reboot, the 00100007 is back and passthrough is working when installing for the FIRST time linux in bhyve. This is the device to be passed: ppt2@pci0:8:0:0: class=3D0x130000 card=3D0x145a1022 chip=3D0x145a102= 2 rev=3D0x00 hdr=3D0x00 vendor =3D 'Advanced Micro Devices, Inc. [AMD]' device =3D 'Zeppelin/Raven/Raven2 PCIe Dummy Function' class =3D non-essential instrumentation ppt3@pci0:8:0:2: class=3D0x108000 card=3D0x14561022 chip=3D0x1456102= 2 rev=3D0x00 hdr=3D0x00 vendor =3D 'Advanced Micro Devices, Inc. [AMD]' device =3D 'Family 17h (Models 00h-0fh) Platform Security Processor' class =3D encrypt/decrypt ppt4@pci0:8:0:3: class=3D0x0c0330 card=3D0x50071458 chip=3D0x145c102= 2 rev=3D0x00 hdr=3D0x00 vendor =3D 'Advanced Micro Devices, Inc. [AMD]' device =3D 'Family 17h (Models 00h-0fh) USB 3.0 Host Controller' class =3D serial bus subclass =3D USB Configuration for bhyve-vm: ... passthru0=3D"8/0/0" passthru1=3D"8/0/2" passthru2=3D"8/0/3" ... I might be able to test this configuration in FreeBSD-CURRENT if that's of = any help? (compile times are low on a threadripper 1950x). --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-205549-27103-pkC7jblPD6>