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/803d46bb-b51a-6fba-7bfc-3e6d2145a8cd%40siemens.com.
