Re: [Xen-devel] [xen-unstable-smoke test] 105283: regressions - trouble: broken/fail/pass

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 02/02/17 13:56, osstest service owner wrote:
> flight 105283 xen-unstable-smoke real [real]
> http://logs.test-lab.xenproject.org/osstest/logs/105283/
>
> Regressions :-(
>
> Tests which did not succeed and are blocking,
> including tests which could not be run:
>  test-amd64-amd64-xl-qemuu-debianhvm-i386  6 xen-boot     fail REGR. vs. 
> 105218
>  test-amd64-amd64-libvirt      6 xen-boot                 fail REGR. vs. 
> 105218

From
http://logs.test-lab.xenproject.org/osstest/logs/105283/test-amd64-amd64-xl-qemuu-debianhvm-i386/serial-elbling1.log
around Feb  2 12:33:05.733614

(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 62 (0x3e), Stepping 4
(raw 000306e4)
(XEN) found SMP MP-table at 000fe710
(XEN) DMI 2.7 present.
(XEN) Using APIC driver bigsmp
(XEN) Assertion 'vm_low[t] == vm_top[t] || !test_bit(vm_low[t],
vm_bitmap(t))' failed at vmap.c:67
(XEN) ----[ Xen-4.9-unstable  x86_64  debug=y   Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e008:[<ffff82d0801387a0>] __vmap+0xa4/0x3af
(XEN) RFLAGS: 0000000000010086   CONTEXT: hypervisor
(XEN) rax: ffff82c000000000   rbx: 000000000000034c   rcx: ffff82d0802ed800
(XEN) rdx: 00000000ffffffff   rsi: 0000000000000000   rdi: ffff82d08030564e
(XEN) rbp: ffff82d08030fd28   rsp: ffff82d08030fcc8   r8:  0000000000800173
(XEN) r9:  0000000000000000   r10: 0000000000000001   r11: 00000000ffffffff
(XEN) r12: 0000000000000000   r13: 0000000000000001   r14: 0000000000000000
(XEN) r15: 0000000000000001   cr0: 0000000080050033   cr4: 00000000000000a0
(XEN) cr3: 00000000cd104000   cr2: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0000   cs: e008
(XEN) Xen code around <ffff82d0801387a0> (__vmap+0xa4/0x3af):
(XEN)  a3 10 19 d2 85 d2 74 02 <0f> 0b 44 89 e0 48 8d 15 2c a5 1e 00 8b
1c 82 eb
(XEN) Xen stack trace from rsp=ffff82d08030fcc8:
(XEN)    ffff82d08030fcf8 0080017380133e04 0000000100000001 ffff82d08030fd40
(XEN)    ffff82d080342da0 00000000ffffffff ffff82d08030fd08 000000000000034c
(XEN)    ffff82d08030fdb0 ffff82d08024b000 0000000000000000 ffff82d08029d000
(XEN)    ffff82d08030fd58 ffff82d08015e2fd 0000000000000000 00000000000cd335
(XEN)    ffff82d08030fd78 ffff8300cd2ef040 ffff82d08030fd78 ffff82d0802b6f41
(XEN)    0000000000000000 0000000000000040 ffff82d08030fd98 ffff82d0802b713c
(XEN)    ffff82d0802d54e0 ffff82d0802c7e88 ffff82d08030fdc8 ffff82d0802b874c
(XEN)    00ffffffffffff27 0000000000000000 000000000022ffff ffff82d0802ea000
(XEN)    ffff82d08030fdf8 ffff82d0802c87a5 ffff82d08030fdf8 000000000022ffff
(XEN)    ffff82d0802ea000 ffff82d08024b000 ffff82d08030ff08 ffff82d0802c4898
(XEN)    0000000000000000 0000000000100000 00000000000001ff 0000000000000001
(XEN)    0000000000000001 0000000000000001 0000000000000001 0000000000000001
(XEN)    0000000000000001 0000000000000001 0000000000000000 00000000011f3000
(XEN)    0000000000230000 0000000000800163 fffffffffffff001 0000000100000000
(XEN)    0000000000000000 ffff83000008bdc0 ffff83000008bf10 ffff83000008bfb0
(XEN)    0000000000000000 0000000000000000 0000000800000000 000000010000006e
(XEN)    0000000000000003 00000000000002f8 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN)    0000000000000000 ffff82d080100073 0000000000000000 0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) Xen call trace:
(XEN)    [<ffff82d0801387a0>] __vmap+0xa4/0x3af
(XEN)    [<ffff82d08015e2fd>] acpi_os_map_memory+0xcf/0xe0
(XEN)    [<ffff82d0802b6f41>] acpi_tb_verify_table+0x2f/0x62
(XEN)    [<ffff82d0802b713c>] acpi_get_table+0x5b/0xa6
(XEN)    [<ffff82d0802b874c>] acpi_table_parse+0x62/0x8c
(XEN)    [<ffff82d0802c87a5>] acpi_boot_init+0x3b/0x32f
(XEN)    [<ffff82d0802c4898>] __start_xen+0x1fca/0x2878
(XEN)    [<ffff82d080100073>] __high_start+0x53/0x55
(XEN)
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Assertion 'vm_low[t] == vm_top[t] || !test_bit(vm_low[t],
vm_bitmap(t))' failed at vmap.c:67
(XEN) ****************************************
(XEN)

Boris: looks like your vmap changes weren't safe.

~Andrew

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