Re: kernel-ml-4.15.0-1.el7.elrepo.x86_64 doesn't boot as Xen PV domU

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Hello,

I can also reproduce with Xen 4.8.2-10.el6:

(XEN) d6v0: unhandled page fault (ec=0000)
(XEN) Pagetable walk from 0000000000000028:
(XEN)  L4[0x000] = 0000000000000000 ffffffffffffffff
(XEN) domain_crash_sync called from entry.S: fault at ffff82d08023d440 cpufreq.c#create_bounce_frame+0x137/0x146
(XEN) Domain 6 (vcpu#0) crashed on cpu#8:
(XEN) ----[ Xen-4.8.2-10.el6  x86_64  debug=n   Not tainted ]----
(XEN) CPU:    8
(XEN) RIP:    e033:[<ffffffff8103f261>]
(XEN) RFLAGS: 0000000000000292   EM: 1   CONTEXT: pv guest (d6v0)
(XEN) rax: 0000000000000000   rbx: ffffffff81e05720   rcx: 0000000000000000
(XEN) rdx: 0000000000000030   rsi: ffffffff82203efc   rdi: ffffffff8241d460
(XEN) rbp: ffffffff82203ec8   rsp: ffffffff82203e10   r8:  0000000000000000
(XEN) r9:  ffffffff82203f00   r10: 00000000ffffffff   r11: ffffffff82203f04
(XEN) r12: ffffffff82203e78   r13: ffffffff82203e7c   r14: ffffffff82203e80
(XEN) r15: ffffffff82203e84   cr0: 000000008005003b   cr4: 00000000000026e0
(XEN) cr3: 0000000c15f0d000   cr2: 0000000000000028
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff82203e10:
(XEN)    0000000000000000 ffffffff82203f04 0000000000000000 ffffffff8103f261
(XEN)    000000010000e030 0000000000010092 ffffffff82203e58 000000000000e02b
(XEN)    0000000000000000 ffffffff8241d460 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 ffffffff8241d460 ffffffff82203f04
(XEN)    ffffffff82203f00 ffffffff82203efc ffffffff82203ef8 ffffffff82203f40
(XEN)    ffffffff8103fce6 ffffffff82203f14 ffffffff82203f10 ffffffff82203f0c
(XEN)    ffffffff82203f08 0000000000003028 0000000000000000 0000000080000008
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 ffffffff82203ff8 ffffffff8246c490
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0f00000060c0c748 ccccccccccccc305
(XEN)    cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN)    cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN)    cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN)    cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc

Karl

On Tue, Jan 30, 2018 at 7:01 PM, Adi Pircalabu <adi@xxxxxxxxxxx> wrote:
Replicated on another Xen node, CentOS 6.9 running Xen-4.6.6-8.el6. xl dmesg:
(XEN) d38v0: unhandled page fault (ec=0000)
(XEN) Pagetable walk from 0000000000000028:
(XEN) L4[0x000] = 0000000000000000 ffffffffffffffff
(XEN) domain_crash_sync called from entry.S: fault at ffff82d080230983 create_bounce_frame+0x12b/0x13a
(XEN) Domain 38 (vcpu#0) crashed on cpu#2:
(XEN) ----[ Xen-4.6.6-8.el6 x86_64 debug=n Not tainted ]----
(XEN) CPU: 2
(XEN) RIP: e033:[<ffffffff8103f261>]
(XEN) RFLAGS: 0000000000000292 EM: 1 CONTEXT: pv guest (d38v0)
(XEN) rax: 0000000000000000 rbx: ffffffff81e05720 rcx: 0000000000000000
(XEN) rdx: 0000000000000030 rsi: ffffffff82203efc rdi: ffffffff8241d460
(XEN) rbp: ffffffff82203ec8 rsp: ffffffff82203e10 r8: 0000000000000000
(XEN) r9: ffffffff82203f00 r10: 00000000ffffffff r11: ffffffff82203f04
(XEN) r12: ffffffff82203e78 r13: ffffffff82203e7c r14: ffffffff82203e80
(XEN) r15: ffffffff82203e84 cr0: 000000008005003b cr4: 00000000000426e4
(XEN) cr3: 000000049c571000 cr2: 0000000000000028
(XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033
(XEN) Guest stack trace from rsp=ffffffff82203e10:
(XEN) 0000000000000000 ffffffff82203f04 0000000000000000 ffffffff8103f261
(XEN) 000000010000e030 0000000000010092 ffffffff82203e58 000000000000e02b
(XEN) 0000000000000000 ffffffff8241d460 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 ffffffff8241d460 ffffffff82203f04
(XEN) ffffffff82203f00 ffffffff82203efc ffffffff82203ef8 ffffffff82203f40
(XEN) ffffffff8103fce6 ffffffff82203f14 ffffffff82203f10 ffffffff82203f0c
(XEN) ffffffff82203f08 0000000000003026 0000000000000000 0000000080000008
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 ffffffff82203ff8 ffffffff8246c490
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 0f00000060c0c748 ccccccccccccc305
(XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc
(XEN) cccccccccccccccc cccccccccccccccc cccccccccccccccc cccccccccccccccc

---
Adi Pircalabu


On 31-01-2018 10:37, Adi Pircalabu wrote:
Hi, has anyone managed to boot 4.15.0 as Xen PV domU? I've been
loading 4.14.12 to 4.14.15 ELRepo builds no problem, but 4.15 crashes.
Replicates on 2 CentOS 7.4 hypervisors running xen-4.6.6-9.el7.x86_64
on:
- Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz
- AMD Phenom(tm) II X6 1090T Processor

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