Hi, Jan, The following is my debug log:
On root cell, enable root cell: [ 267.783070] uio_ivshmem 0003:00:00.0: output_section at 0x00000000fb70a000, size 0x0000000000002000 [ 267.792364] ivshmem-net 0003:00:01.0: enabling device (0000 -> 0002) [ 267.798798] ivshmem-net 0003:00:01.0: TX memory at 0x00000000fb801000, size 0x000000000007f000 [ 267.807443] ivshmem-net 0003:00:01.0: RX memory at 0x00000000fb880000, size 0x000000000007f000 [ 267.816408] ********ivshm_net_state_change:state=0,peer_state=0 // Then root cell NIC state is changed to be INIT, inmate NIC is RESET [ 267.816471] The Jailhouse is opening. Then execute linux inmate cell loading: [ 673.503776] ********ivshm_net_state_change:state=1,peer_state=1 // Then root cell NIC state is changed to be READY, inmate NIC is INIT [ 673.510338] ********ivshm_net_state_change:state=2,peer_state=2 // Then root cell NIC state is changed to be READY, inmate NIC is READY, and then set carrior on [ 673.516315] *****set carrier on For inmate Cell, during kernel boot up and driver probe: [ 1.649054] ivshmem-net 0000:00:01.0: enabling device (0000 -> 0002) [ 1.655516] ivshmem-net 0000:00:01.0: TX memory at 0x00000000fb880000, size 0x000000000007f000 [ 1.664142] ivshmem-net 0000:00:01.0: RX memory at 0x00000000fb801000, size 0x000000000007f000 [ 1.673180] ********ivshm_net_state_change:state=0,peer_state=1 // Then inmate cell NIC state is changed to be INIT, root cell NIC is INIT [ 1.673579] uio_ivshmem 0000:00:00.0: enabling device (0000 -> 0002) [ 1.685477] ********ivshm_net_state_change:state=1,peer_state=2 // Then inmate cell NIC state is changed to be READY, root cell NIC is READY, but after that and before ifconfig NIC up, ivshm_net_state_change is not called anymore, so carrior is not set to be on. We can find that before ifconfig up (open) virtual NIC, although stats both for NIC in root cell and inmate cell are all READY, but carrior in root cell is on, but in inmate cell if off. So I don't think virtual NIC in root cell and inmate cell is whole symmetric Thanks. Jiafei. 在2020年11月19日星期四 UTC+8 下午4:28:48<[email protected]> 写道： > On 19.11.20 08:52, Peter pan wrote: > > Hi, Jan, > > > > After some investigation, I found the root cause of the issue: the > > carrier is not > > changed to be on if we open virtual NIC in inmate firstly, attached > > patch can > > fix this issue, please help to review, by the way where I can upstream > > this patch? > > Thanks for the patch! > > I'm just wondering, given that ivshmem-net is conceptually fully > symmetric, what is causing this issue to only happen in one way. Guess I > need to study the scenario in details. > > Jan > > > Thanks. > > > > Best Regards, > > Jiafei. > > > > 在2020年11月18日星期三 UTC+8 下午6:01:51<[email protected]> 写道： > > > > On 18.11.20 10:50, Peter pan wrote: > > > Hi, Jan, > > > > > > I have one new issue and not sure it is a know issue. > > > > > > The issue is: when I ifconfig up ivshmem-net NIC in root cell firstly > > > and then ifconfig up ivshmem NIC in inmate cell (runing Linux), I > > can > > > ping through between two NICs, but if I ifconfig up NIC in inmate > > cell > > > before ifconfig up the NIC in root cell, I can't ping through between > > > two NICs, and I found NIC in inmate can only receive packet > > sending from > > > root cell NIC, but NIC in root cell can't receive any packet and > > there > > > is also no irq received for ivshmem NIC. > > > > > > > The link states of both virtual NICs are up (ethtool)? Is there any > > ivshmem-net interrupt received at all on the root side? There should be > > a few during setup at least. > > > > Check that the interrupt line on the root side is really free, and also > > that GICD is properly intercepted by Jailhouse (check mappings). > > > > Jan > > > > -- > > Siemens AG, T RDA IOT > > 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 [email protected] > > <mailto:[email protected]>. > > To view this discussion on the web visit > > > https://groups.google.com/d/msgid/jailhouse-dev/581e32ac-d032-4108-b4fe-21286e6b2085n%40googlegroups.com > > > < > https://groups.google.com/d/msgid/jailhouse-dev/581e32ac-d032-4108-b4fe-21286e6b2085n%40googlegroups.com?utm_medium=email&utm_source=footer>. > > > > -- > Siemens AG, T RDA IOT > 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/525f34ef-be0c-451d-b626-43763045008cn%40googlegroups.com.
