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I've install ubuntu 16.04 32bit on Xen platform, it boot OK when memory
is less than 4GB, but when i set the memory to 4GB, it will crash when
the system is booting.
The call trace is like:
[ 2.796566] init[1]: segfault at b74d0420 ip b74d0420 sp bfdecdfc error 7 in
libc-2.23.so[b7459000+1af000]
[ 2.809698] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
[ 2.809698]
[ 2.812634] CPU: 1 PID: 1 Comm: init Not tainted 4.4.0-21-generic #37-Ubuntu
[ 2.812634] Hardware name: Xen HVM domU, BIOS Unknown 07/18/2016
[ 2.812634] c1abd967 f7a742e8 00000086 f3e03df0 c139d21f f3e57ca0 f3e48000
f3e03e08
[ 2.812634] c116dc50 f3e48000 f3e57ca0 f3e48000 f3e48000 f3e03e54 c1071a94
c19b41f0
[ 2.812634] 0000000b f3eb500c f3e48440 f3e03e2c f3e48000 00000001 00000000
c1ad8a00
[ 2.812634] Call Trace:
[ 2.812634] [<c139d21f>] dump_stack+0x58/0x79
[ 2.812634] [<c116dc50>] panic+0x81/0x1af
[ 2.812634] [<c1071a94>] do_exit+0xa04/0xa10
[ 2.812634] [<c1071b17>] do_group_exit+0x37/0x90
[ 2.812634] [<c107d477>] get_signal+0x257/0x5f0
[ 2.812634] [<c105cf49>] ? force_sig_info_fault.constprop.23+0x79/0xa0
[ 2.812634] [<c10298d9>] do_signal+0x29/0x5d0
[ 2.812634] [<c1175247>] ? __free_pages+0x27/0x30
[ 2.812634] [<c10c61f1>] ? vprintk_default+0x41/0x60
[ 2.812634] [<c105d40a>] ? bad_area_access_error+0x3a/0x50
[ 2.812634] [<c105dba7>] ? __do_page_fault+0x247/0x470
[ 2.812634] [<c10030d4>] exit_to_usermode_loop+0x94/0xe0
[ 2.812634] [<c105ddd0>] ? __do_page_fault+0x470/0x470
[ 2.812634] [<c10037a8>] prepare_exit_to_usermode+0x18/0x20
[ 2.812634] [<c17a6c8e>] resume_userspace+0xe/0x14
[ 2.812634] Kernel Offset: disabled
The call trace is not always like this, but they all have
resume_userspace call. Any ideas?
Thanks
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: 16.04 boot xen
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ubuntu 16.04 32bit boot crash when memory is 4GB on Xen
https://bugs.launchpad.net/bugs/1616293
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