Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Tim Deegan
At 18:04 +0200 on 20 May (1432145043), Roger Pau Monné wrote: > El 20/05/15 a les 17.59, Jan Beulich ha escrit: > On 20.05.15 at 17:45, wrote: > >> Try this: It appears that vfree(NULL) isn't safe. > > > > And intentionally so (I think this was even mentioned while discussing > > the patch),

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Roger Pau Monné
El 20/05/15 a les 17.59, Jan Beulich ha escrit: On 20.05.15 at 17:45, wrote: >> On 20/05/15 16:43, Andrew Cooper wrote: >>> On 20/05/15 16:39, Wei Liu wrote: I discovered this when running qemu-trad stubdom + shadow page table. (XEN) Assertion 'pages' failed at vmap.c:275

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Wei Liu
On Wed, May 20, 2015 at 04:45:25PM +0100, Andrew Cooper wrote: > On 20/05/15 16:43, Andrew Cooper wrote: > > On 20/05/15 16:39, Wei Liu wrote: > >> I discovered this when running qemu-trad stubdom + shadow page table. > >> > >> (XEN) Assertion 'pages' failed at vmap.c:275 > >> (XEN) [ Xen-4.6-u

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Andrew Cooper
On 20/05/15 16:59, Jan Beulich wrote: On 20.05.15 at 17:45, wrote: >> On 20/05/15 16:43, Andrew Cooper wrote: >>> On 20/05/15 16:39, Wei Liu wrote: I discovered this when running qemu-trad stubdom + shadow page table. (XEN) Assertion 'pages' failed at vmap.c:275 (XEN)

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Jan Beulich
>>> On 20.05.15 at 17:45, wrote: > On 20/05/15 16:43, Andrew Cooper wrote: >> On 20/05/15 16:39, Wei Liu wrote: >>> I discovered this when running qemu-trad stubdom + shadow page table. >>> >>> (XEN) Assertion 'pages' failed at vmap.c:275 >>> (XEN) [ Xen-4.6-unstable x86_64 debug=y Tainted:

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Andrew Cooper
On 20/05/15 16:43, Andrew Cooper wrote: > On 20/05/15 16:39, Wei Liu wrote: >> I discovered this when running qemu-trad stubdom + shadow page table. >> >> (XEN) Assertion 'pages' failed at vmap.c:275 >> (XEN) [ Xen-4.6-unstable x86_64 debug=y Tainted:C ] >> (XEN) CPU:1 >> (XEN) R

Re: [Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Andrew Cooper
On 20/05/15 16:39, Wei Liu wrote: > I discovered this when running qemu-trad stubdom + shadow page table. > > (XEN) Assertion 'pages' failed at vmap.c:275 > (XEN) [ Xen-4.6-unstable x86_64 debug=y Tainted:C ] > (XEN) CPU:1 > (XEN) RIP:e008:[] vfree+0x1e/0x128 > (XEN) RFLAGS:

[Xen-devel] Xen-unstable, stubdom causes hypervisor crash

2015-05-20 Thread Wei Liu
I discovered this when running qemu-trad stubdom + shadow page table. (XEN) Assertion 'pages' failed at vmap.c:275 (XEN) [ Xen-4.6-unstable x86_64 debug=y Tainted:C ] (XEN) CPU:1 (XEN) RIP:e008:[] vfree+0x1e/0x128 (XEN) RFLAGS: 00010246 CONTEXT: hypervisor (d2v0) (