Thanks Jan, actually mem=3840M is the only thing required to get the demo running. device tree and CMA=32M reservations do not bring anything visible. I haven't fully investigated but I'll do.
FF On Wed, 6 May 2020 at 07:05, Jan Kiszka <[email protected]> wrote: > On 05.05.20 19:42, François Ozog wrote: > > Hi > > > > Trying to revive memories to play with Jailhouse on a Macchiatobin. > > > > I've got my FDT reservation as described in configs/arm64/macchiatobin.c: > > 100000000-13fffffff : System RAM > > 139800000-13effffff : reserved > > 13f2e3000-13f342fff : reserved > > 13f343000-13f743fff : reserved > > 13f744000-13f7c3fff : reserved > > 13f7c6000-13f7c7fff : reserved > > 13f7c8000-13f7c8fff : reserved > > 13f7c9000-13f7cffff : reserved > > 13f7d0000-13f7d0fff : reserved > > 13f7d1000-13f7d1fff : reserved > > 13f7d2000-13fffffff : reserved > > 800000000-83fffffff : reserved > > > > When I launch: > > sudo tools/jailhouse enable configs/arm64/macchiatobin.cell > > > > The module says: > > jailhouse: request_mem_region failed for hypervisor memory. > > jailhouse: Did you reserve the memory with "memmap=" or "mem="? > > > > hypervisor is at 0x13fc00000 as per the config which seems fine. > > The reserved memory as per the config does not exist as it is beyond > > physical RAM. I moved it at 2G (80000000-83ffffff) but still the same > > thing. > > > > That's certainly an obvious issue but.... if you could help me... > > > > I don't have that board in reach to check how reservation looks like in > the good case, but you can get an image that is supposed to work from > jailhouse-images. Or pick up patterns from there, like the reservation > via "mem=3840M" [1]. Maybe start you system with that setting and > compare the reservations. > > Jan > > [1] > > https://github.com/siemens/jailhouse-images/blob/master/wic/macchiatobin.wks > > -- > Siemens AG, Corporate Technology, CT RDA IOT SES-DE > Corporate Competence Center Embedded Linux > -- François-Frédéric Ozog | *Director Linaro Edge & Fog Computing Group* T: +33.67221.6485 [email protected] | Skype: ffozog -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/CAHFG_%3DV8wf0zMUk5VZHYbAReARFCoJ6m_1kcCDNxkp7-01Vukw%40mail.gmail.com.
