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Re: [Xen-devel] Test report for Xen-3.3.0-rc4 (#18314)



On 14/8/08 08:26, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx> wrote:

> That's disappointing. :-( I think the second of your crashes is the one that
> I've been able to reproduce (but infrequently -- maybe one time in 100). The
> symptoms are a bit different for me since I run a debug build and crash
> earlier, well before domain destruction.

Here's my crash:

(XEN) Assertion '(x & ((1U<<26)-1)) != 0' failed at mm.c:1891
(XEN) ----[ Xen-3.3.0-rc5-pre  x86_64  debug=y  Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    e008:[<ffff828c80150ae2>] put_page_type+0x39/0x13c
(XEN) RFLAGS: 0000000000010246   CONTEXT: hypervisor
(XEN) rax: 00000000e8000000   rbx: 00000000e8000000   rcx: 0000000000000000
(XEN) rdx: ffff83003e1e6100   rsi: ffff83003e1e6100   rdi: ffff828400563808
(XEN) rbp: ffff83003e1f7ae8   rsp: ffff83003e1f7ab8   r8:  000000003e1e6100
(XEN) r9:  ffff83003e1e6100   r10: 0000000000000000   r11: 80000000227cd063
(XEN) r12: ffff828400563808   r13: 00000000e7ffffff   r14: ffff828400563820
(XEN) r15: ffff828400563820   cr0: 0000000080050033   cr4: 00000000000026f0
(XEN) cr3: 000000003e4e4000   cr2: 0000000008047ff4
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
(XEN) Xen stack trace from rsp=ffff83003e1f7ab8:
(XEN)    ffff83003e1f7b18 ffff828400563808 80000000227cd063 ffff83003e1e6100
(XEN)    ffff83003e1e6100 000000000003efd6 ffff83003e1f7b18 ffff828c8014da74
(XEN)    ffff83003efd6078 ffff83003e1f7b50 ffff83003efd6070 0000000000000001
(XEN)    ffff83003e1f7b78 ffff828c801bbc80 80000000227cd063 ffff83003e1e6100
(XEN)    000000013e1f7b68 000000000003efd6 80000000227cd061 0000000000000000
(XEN)    ffff83003d2edb38 0000000000000000 00000000000227cd ffff83003d2ec100
(XEN)    ffff83003e1f7b88 ffff828c801c0b74 ffff83003e1f7b98 ffff828c801ac765
(XEN)    ffff83003e1f7be8 ffff828c801a828a 00000000000227cd ffff83003d2ec100
(XEN)    000000003e1e6100 00000000000227cd ffff83003d2ec100 ffff828400563808
(XEN)    000000000003e4e1 0000000000000000 ffff83003e1f7c18 ffff828c801a8465
(XEN)    0000000000000000 ffff83003d2edb08 ffff8140c0003520 0000000000000002
(XEN)    ffff83003e1f7c38 ffff828c801a89ef ffff8140c0003520 000000000003efe2
(XEN)    ffff83003e1f7c98 ffff828c801bb496 000000000000a9cd 000000003efe2520
(XEN)    000000003e1f7c98 ffff83003d210100 000000003efc5067 ffff83003d210100
(XEN)    ffff83003e1f7e28 ffff8140c0003520 0000000000000002 ffff83003e1f7d28
(XEN)    ffff83003e1f7ce8 ffff828c801bc309 000000010f6a3000 000000003efc5067
(XEN)    000000000003efe2 ffff83003e1f7e28 ffff83003d210100 ffff83003e1e6100
(XEN)    ffff83003e1f7e28 ffff83003d210100 ffff83003e1f7e98 ffff828c801be326
(XEN)    ffff83003e1f7d68 00000000d4990be8 0000000200000000 000000000000f67e
(XEN)    ffff83003e1f7f28 00000000d4990be8 000000000003efc5 0000000100000206
(XEN) Xen call trace:
(XEN)    [<ffff828c80150ae2>] put_page_type+0x39/0x13c
(XEN)    [<ffff828c8014da74>] put_page_from_l1e+0x102/0x16b
(XEN)    [<ffff828c801bbc80>] shadow_set_l1e+0x53f/0x551
(XEN)    [<ffff828c801c0b74>]
sh_rm_write_access_from_sl1p__guest_3+0xd2/0xfd
(XEN)    [<ffff828c801ac765>] sh_remove_write_access_from_sl1p+0x8d/0xaf
(XEN)    [<ffff828c801a828a>] oos_remove_write_access+0x5a/0xec
(XEN)    [<ffff828c801a8465>] _sh_resync+0x149/0x20f
(XEN)    [<ffff828c801a89ef>] sh_resync+0x97/0xd9
(XEN)    [<ffff828c801bb496>] shadow_set_l2e+0x1fe/0x4a9
(XEN)    [<ffff828c801bc309>] shadow_get_and_create_l1e+0x1b3/0x244
(XEN)    [<ffff828c801be326>] sh_page_fault__guest_3+0x9ee/0x1404
(XEN)    [<ffff828c801a24ff>] vmx_vmexit_handler+0x2e5/0x841
(XEN)    
(XEN) 
(XEN) ****************************************
(XEN) Panic on CPU 1:
(XEN) Assertion '(x & ((1U<<26)-1)) != 0' failed at mm.c:1891
(XEN) ****************************************
(XEN) 
(XEN) Reboot in five seconds...




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