On 11/21/2017 08:34 AM, Christian König wrote: > Hi Boris, > > attached are two patches. > > The first one is a trivial fix for the infinite loop issue, it now > correctly aborts the fixup when it can't find address space for the > root window. > > The second is a workaround for your board. It simply checks if there > is exactly one Processor Function to apply this fix on. > > Both are based on linus current master branch. Please test if they fix > your issue. Yes, they do fix it but that's because the feature is disabled. Do you know what the actual problem was (on Xen)? Thanks. -boris > > Thanks for the help, > Christian. > > Am 20.11.2017 um 17:33 schrieb Boris Ostrovsky: >> On 11/20/2017 11:07 AM, Christian König wrote: >>> Am 20.11.2017 um 16:51 schrieb Boris Ostrovsky: >>>> (and then it breaks differently as a Xen guest --- we hung on the last >>>> pci_read_config_dword(), I haven't looked at this at all yet) >>> Hui? How does this fix applies to a Xen guest in the first place? >>> >>> Please provide the output of "lspci -nn" and explain further what is >>> your config with Xen. >>> >>> >> >> This is dom0. >> >> -bash-4.1# lspci -nn >> 00:00.0 Host bridge [0600]: ATI Technologies Inc RD890 Northbridge only >> dual slot (2x16) PCI-e GFX Hydra part [1002:5a10] (rev 02) >> 00:00.2 Generic system peripheral [0806]: ATI Technologies Inc Device >> [1002:5a23] >> 00:0d.0 PCI bridge [0604]: ATI Technologies Inc RD890 PCI to PCI bridge >> (external gfx1 port B) [1002:5a1e] >> 00:11.0 SATA controller [0106]: ATI Technologies Inc SB700/SB800 SATA >> Controller [AHCI mode] [1002:4391] >> 00:12.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB >> OHCI0 Controller [1002:4397] >> 00:12.1 USB Controller [0c03]: ATI Technologies Inc SB700 USB OHCI1 >> Controller [1002:4398] >> 00:12.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI >> Controller [1002:4396] >> 00:13.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB >> OHCI0 Controller [1002:4397] >> 00:13.1 USB Controller [0c03]: ATI Technologies Inc SB700 USB OHCI1 >> Controller [1002:4398] >> 00:13.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI >> Controller [1002:4396] >> 00:14.0 SMBus [0c05]: ATI Technologies Inc SBx00 SMBus Controller >> [1002:4385] (rev 3d) >> 00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host >> controller [1002:439d] >> 00:14.4 PCI bridge [0604]: ATI Technologies Inc SBx00 PCI to PCI Bridge >> [1002:4384] >> 00:14.5 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB >> OHCI2 Controller [1002:4399] >> 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1600] >> 00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1601] >> 00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1602] >> 00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1603] >> 00:18.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1604] >> 00:18.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1605] >> 00:19.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1600] >> 00:19.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1601] >> 00:19.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1602] >> 00:19.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1603] >> 00:19.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1604] >> 00:19.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device >> [1022:1605] >> 01:04.0 VGA compatible controller [0300]: Matrox Graphics, Inc. MGA >> G200eW WPCM450 [102b:0532] (rev 0a) >> 02:00.0 Ethernet controller [0200]: Intel Corporation 82576 Gigabit >> Network Connection [8086:10c9] (rev 01) >> 02:00.1 Ethernet controller [0200]: Intel Corporation 82576 Gigabit >> Network Connection [8086:10c9] (rev 01) >> -bash-4.1# >> >> >> -boris > >
