From: jincm12 <jincm12@gmail.com>
To: xen-devel <xen-devel@lists.xen.org>
Cc: xen-users <xen-users@lists.xen.org>
Subject: [linux crash after update kernel of CONFIG_VMSPLIT_2G=y]
Date: Fri, 20 Jun 2014 09:23:35 +0800 [thread overview]
Message-ID: <2014062009233192722810@gmail.com> (raw)
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hello:
who can help me?
I create one x86 centos6.0 vm on xen 3.1,after it installed ,everything is ok;I need to update the kernel for working reason,when i compile linux
kernel(x86 2.6.32.15 or 2.6.34.9) with 1.config ,kernel can start ,but when i used 2.config for CONFIG_VMSPLIT_2G=y and CONFIG_PAGE_OFFSET=0x80000000 ,kernel crash;
[root@xen ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 1737 1 r----- 2822.9
centos6 12 1300 1 ----c- 0.0
xm dmesg info:
(XEN) mm.c:982:d12 PAE L3 3rd slot is shared
(XEN) mm.c:1189:d12 Failure in alloc_l3_table: entry 4
(XEN) mm.c:1785:d12 Error while validating mfn bcc74 (pfn 147e) for type 60000000: caf=80000003 taf=60000001
(XEN) mm.c:2148:d12 Error while installing new baseptr bcc74
(XEN) mm.c:982:d12 PAE L3 3rd slot is shared
(XEN) mm.c:1189:d12 Failure in alloc_l3_table: entry 4
(XEN) mm.c:1785:d12 Error while validating mfn bcc74 (pfn 147e) for type 60000000: caf=80000003 taf=60000001
(XEN) mm.c:2375:d12 Error while pinning mfn bcc74
(XEN) traps.c:405:d12 Unhandled invalid opcode fault/trap [#6] in domain 12 on VCPU 0 [ec=0000]
(XEN) domain_crash_sync called from entry.S (ff1867fe)
(XEN) Domain 12 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-3.1.2-194.el5 x86_32p debug=n Not tainted ]----
(XEN) CPU: 0
(XEN) EIP: e019:[<81003a0a>]
(XEN) EFLAGS: 00000282 CONTEXT: guest
(XEN) eax: ffffffea ebx: 8147df74 ecx: 00000001 edx: 00000000
(XEN) esi: 00007ff0 edi: 00000000 ebp: 8147df8c esp: 8147df68
(XEN) cr0: 8005003b cr4: 000006f0 cr3: 5d6fc000 cr2: 00000000
(XEN) ds: e021 es: e021 fs: 00d8 gs: 0000 ss: e021 cs: e019
(XEN) Guest stack trace from esp=8147df68:
(XEN) 81003a0a 0001e019 00010082 00000002 000bcc74 81003dbc 00000000 8147e010
(XEN) 00000000 8147dfd8 814dd893 00000000 00000000 00000000 00000000 bcbaa001
(XEN) 00000000 00051400 87257000 00007c00 81544000 00000800 0000003e 00000201
(XEN) 00007c00 87257000 87254000 00000000 8147dffc 814dd194 00000000 000206a7
(XEN) 00010800 90980203 0f898171 00000000 87254000 00000000 00000000 00000000
(XEN) 00000000 00000000 bcbaa001 00000000 5d6fa001 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
(XEN) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
There are issues like this on xen 3.* 4.* and xenserver6 .
[root@localhost linux-2.6.32.15-rps]# diff 1.config 2.confg
4c4
< # Tue Jun 17 20:33:34 2014
---
> # Thu May 15 16:10:59 2014
298c298
< # CONFIG_VMSPLIT_3G is not set
---
> CONFIG_VMSPLIT_3G=y
300c300
< CONFIG_VMSPLIT_2G=y
---
> # CONFIG_VMSPLIT_2G is not set
303c303
< CONFIG_PAGE_OFFSET=0x80000000
---
> CONFIG_PAGE_OFFSET=0xC0000000
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