Re: [Xen-devel] latest pv_ops dom0 (2.6.29-rc6) crashes / unhandled page fault

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

Pasi Kärkkäinen wrote:
> Hello.
>
> log of the crashing boot process:
> http://pasik.reaktio.net/xen/pv_ops-dom0-debug/pv_ops-dom0-bootlog-14-xen331-linux-2.6.29-rc6-crash.txt
>
> 2.6.29-rc5 based pv_ops dom0 works on the same computer.. with the same Xen 
> version.
>
> I tried with and without pci=nomsi.
>
> adding 'noapic' doesn't seem to help (I need that with 2.6.29-rc5 to make it 
> work).
>   
Yeah, something got broken.  Tracking it down now.

> Any ideas what's going on? 
>
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
> Xen)
> (XEN) Freed 112kB init memory.
> mapping kernel into physical memory
> (XEN) d0:v0: unhandled page fault (ec=0000)
> (XEN) Pagetable walk from bffff000:
> (XEN)  L3[0x002] = 000000003d204001 00001204
> (XEN)  L2[0x1ff] = 0000000000000000 ffffffff 
> (XEN) domain_crash_sync called from entry.S (ff1a2c9e)
> (XEN) Domain 0 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-3.3.1  x86_32p  debug=n  Not tainted ]----
> (XEN) CPU:    0
> (XEN) EIP:    e019:[<c0879716>]
>   
What does this map to in your vmlinux?

   J

> (XEN) EFLAGS: 00000283   EM: 1   CONTEXT: pv guest
> (XEN) eax: fffff000   ebx: 00000000   ecx: 00000016   edx: 00000000
> (XEN) esi: 00035800   edi: bffff000   ebp: c086efd4   esp: c086ef9c
> (XEN) cr0: 8005003b   cr4: 000006f0   cr3: 3d201000   cr2: bffff000
> (XEN) ds: e021   es: e021   fs: e021   gs: e021   ss: e021   cs: e019
> (XEN) Guest stack trace from esp=c086ef9c:
> (XEN)    00000000 c0879716 0001e019 00010083 00000000 c086efb8 c1201000 c1222000
> (XEN)    000c1690 000001ac 00035800 c1201000 c08a69f8 c082fa64 c086effc c0878c2e
> (XEN)    00000000 00000000 00000000 00000000 00000000 00000000 c1200000 00000000
> (XEN)    00000000 c087322e c06d7f7b c06d7f83 c0404677 c0879211 c0404ee4 c0405051
> (XEN)    c04051a0 c0405418 c04054c7 c0405522 c0405787 c0405824 c0405c6f c0879ac6
> (XEN)    c0879ace c06d7fe5 c0879b2f c06d8087 c06d80b8 c0879bb3 c0879bfe c040715d
> (XEN)    c04072ae c04077ed c04078a9 c04078d9 c0407901 c0407a27 c0407f03 c0407f59
> (XEN)    c0407fd9 c04085a8 c0408a4f c0408a6b c0408a82 c0408efa c087a383 c087a433
> (XEN)    c06e1057 c06e113d c06e1367 c040b187 c087a9d8 c087a9e0 c040bb72 c040bcc6
> (XEN)    c087b157 c087beb4 c087bebc c040d0e0 c040d0f3 c040d15e c040d171 c087d670
> (XEN)    c087d686 c040e16a c040e1e8 c040e6eb c040e752 c040e77f c040e834 c040f789
> (XEN)    c040fc2c c040fc36 c0410162 c0410377 c04103e3 c04105e2 c0410a60 c0410ae6
> (XEN)    c0410aef c0410b55 c0410b5e c0410c5d c0410dc6 c0410dcf c0410e48 c0410e51
> (XEN)    c0410f36 c0410f3f c0410fcd c0410fd6 c0411655 c0411660 c041166b c041174b
> (XEN)    c04117d0 c04117e2 c04117f3 c0411861 c06d8d59 c06d9021 c06d909e c06d91eb
> (XEN)    c06d923d c06d9269 c06d9300 c06d94af c087dd1c c087dd29 c087dd31 c087dd39
> (XEN)    c087dd4b c087dd53 c087dd79 c087dd81 c087ddf6 c087ddfe c06d970b c06d99b3
> (XEN)    c06d9a4b c06da007 c06da07f c06da192 c06da19a c06da25a c06da283 c06da28b
> (XEN)    c06da293 c06da2b0 c06da33e c06da3be c06da424 c06da435 c06da461 c06da46e
> (XEN)    c06da494 c06da505 c06da512 c06da578 c06da57d c06da582 c06da587 c06da58c
> (XEN) Domain 0 crashed: rebooting machine in 5 seconds.
>
> I'm using 32bit PAE, as both dom0 kernel and Xen hypervisor.
>
> -- Pasi
>
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>   

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