Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-10-02 Thread Chris Brannon
Andrew Cooper writes: > (XEN) traps.c:1576: GPF (): 82d08031a80f > [vmx.c#vmx_msr_read_intercept+0x387/0x3fd] -> 82d08037c9f2 > (XEN) traps.c:1576: GPF (): 82d08031a80f > [vmx.c#vmx_msr_read_intercept+0x387/0x3fd] -> 82d08037c9f2 > (d2) xs_write(/vm/95f11fc0-b9e7-47ff-85

Re: [Xen-devel] Crash with nested HVM and Linux v5.1+

2019-10-02 Thread Chris Brannon
Jan Beulich writes: > On 21.09.2019 01:14, Sarah Newman wrote: >> With nestedhvm=1, the L2 HVM guest is either hanging (Xen 4.8) or >> crashing (Xen 4.12.1) the L1 Xen hypervisor with recent versions of >> Linux. We >> isolated the commit to: >> >> commit 093ae8f9a86a974c920b613860f1f7fd5bbd70ab

Re: [Xen-devel] HVM driver domains do not appear to be usable with stubdomains

2018-12-13 Thread Chris Brannon
Jason Andryuk writes: >> So if I understand correctly, the problem is that PCI passthrough >> doesn't work with stubdomains, unless qemu is patched? > > Hi, Chris. > > I pulled in the QEMU patch because I found that my Intel wired > ethernet device didn't work without it. I believe my Intel wire

Re: [Xen-devel] HVM driver domains do not appear to be usable with stubdomains

2018-12-11 Thread Chris Brannon
Christopher Clark writes: > On Tue, Dec 4, 2018 at 10:11 AM Chris Brannon wrote: >> >> Hi, >> I set up a network driver domain for a dom0; it uses HVM >> virtualization. It worked very well when not using a device model >> stubdomain, but when I requested the

[Xen-devel] HVM driver domains do not appear to be usable with stubdomains

2018-12-04 Thread Chris Brannon
Hi, I set up a network driver domain for a dom0; it uses HVM virtualization. It worked very well when not using a device model stubdomain, but when I requested the use of a device model stubdomain in my xl.cfg file, the domU refused to boot. It gave the following error message. [76594.195404] xe

[Xen-devel] backport of XSA-274 patch to 4.9.x kernel (could use a review)

2018-08-06 Thread Chris Brannon
I just got the following patch from a colleague. It's a backport of the XSA 274 kernel patch to 4.9.x kernels. The kernel patch given in the XSA would not apply cleanly. Would someone mind reviewing it? It would be much appreciated. commit b3681dd548d06deb2e1573890829dff4b15abf46 upstream. Th

Re: [Xen-devel] xen 4.10.0: stubdomain for HVM guest fails to start unless qdisk backend is used?

2018-03-12 Thread Chris Brannon
George Dunlap writes: > Can you attach the following? > > * the output of `xl dmesg` > * the output of `dmesg` > * the config file for the guest Attached. > I just tested stubdoms with staging-4.10 and everything works > correctly *as long as dom0 is assigned all memory*. If I limit the > amou

[Xen-devel] xen 4.10.0: stubdomain for HVM guest fails to start unless qdisk backend is used?

2018-03-09 Thread Chris Brannon
I recently made a build of xen 4.10.0 and installed it. I have a pre-existing HVM guest that uses the following configuration: 1 hard drive using the phy disk backend. The guest also uses a device model stubdomain. After upgrading, it refuses to start, due to a stubdomain timeout: Parsing config

[Xen-devel] backtrace in drivers/net/xen-netback

2017-12-12 Thread Chris Brannon
I have the following traceback from xen-netback, under kernel 4.9.58. Does anyone know what might be going on here? [ cut here ] kernel BUG at drivers/net/xen-netback/rx.c:325! invalid opcode: [#1] SMP task: 88028f18cec0 task.stack: c90045e08000 RIP: e030:[]