Ok, thanks! Is it possible to get a kernel configuration (for Linux Kernel 5.4.x) from you? It would be very usefull for me in order to find a "right" konfiguration needed for jailhouse.
Best regards Jan. Jan Kiszka <jan.kis...@siemens.com> schrieb am Do., 3. Sep. 2020, 20:42: > On 03.09.20 19:28, Jan-Marc Stranz wrote: > > Thanks! > > > > Is the entry "intel_iommu=off" still needed for x86_64 targets? > > Yes, that applies to "running Jailhouse", just not to "checking hardware > compatibility". > > Jan > > > > > Best regards > > Jan. > > > > > > Jan Kiszka <jan.kis...@siemens.com <mailto:jan.kis...@siemens.com>> > > schrieb am Do., 3. Sep. 2020, 19:01: > > > > On 03.09.20 15:07, Jan-Marc Stranz wrote: > > > Hi Jan! > > > > > > I've moved to another target with "Intel Core i7-8559U". > > > This CPU supports "VT-x" and "VT-d". > > > > > > Doing a hardware check I get the following messages: > > > > > > Feature Availability > > > ------------------------------ ------------------ > > > Number of CPUs > 1 ok > > > Long mode ok > > > Traceback (most recent call last): > > > File "/usr/libexec/jailhouse/jailhouse-hardware-check", line > 147, in > > > <module> > > > iommu, _ = sysfs_parser.parse_dmar(pci_devices, ioapics, > > dmar_regions) > > > File > "/usr/lib/python3.7/site-packages/pyjailhouse/sysfs_parser.py", > > > line 377, in parse_dmar > > > raise RuntimeError('DMAR region size cannot be identified.\n' > > > RuntimeError: DMAR region size cannot be identified. > > > Target Linux must run with Intel IOMMU enabled. > > > > > > I'm using Linux Kernel 5.4.61 with the patches and config options > from > > > "jailhouse.cfg". > > > > > > The kernel command line contains "intel_iommu=off" (as specified > under > > > "Software requirements" at https://github.com/siemens/jailhouse). > > > I've also tried "intel_iommu=on" but without success. > > > > > > What is the reason for this again? > > > > I could be that your kernel does not support what is needed to check > the > > hardware. It may still be fine to run Jailhouse. Do not invest too > much > > into the checker - or use a regular distro kernel for the check > (which > > may also partially fail these days due to CONFIG_STRICT_DEVMEM). > > > > > It's very difficult (at least for me) to get jailhouse up and > running. > > > > Focus on the configuration, not the checking. In fact, the checker > has a > > decreasing value because (x86) hardware shipped in 2020 has all > features > > we need, practically always. > > > > Jan > > > > -- > > Siemens AG, Corporate Technology, CT RDA IOT SES-DE > > Corporate Competence Center Embedded Linux > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Jailhouse" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to jailhouse-dev+unsubscr...@googlegroups.com > > <mailto:jailhouse-dev+unsubscr...@googlegroups.com>. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/jailhouse-dev/CAOOGbpg5t1ykh1OaS_rKXMzfL2u9F%2BigLuoA3wSg4boAhxtuWQ%40mail.gmail.com > > < > https://groups.google.com/d/msgid/jailhouse-dev/CAOOGbpg5t1ykh1OaS_rKXMzfL2u9F%2BigLuoA3wSg4boAhxtuWQ%40mail.gmail.com?utm_medium=email&utm_source=footer > >. > > > -- > Siemens AG, Corporate Technology, CT RDA IOT SES-DE > Corporate Competence Center Embedded Linux > -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to jailhouse-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/CAOOGbpgwq0%3DB85FFAaPCGC%2BW3UsFYtp6ROAsCbUdD2%3Dg_Ak1kw%40mail.gmail.com.
