This bug is missing log files that will aid in diagnosing the problem.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1634862
Title:
PPC + kernel 4.8 swap_dup: Bad swap file entry 2c0000000016ed28
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi
on ppc machines with Ubuntu 16.10 (Yakkety Yak), after upgrading to last
Ubuntu kernel (4.8), and running installation of MLNX_OFED Driver package that
run a compilation jobs that equal to number of CPUs , the System hangs and we
got a bad swap file message with pages and pages of the following showing, this
is just a sample from the system log.
I had been running with kernel 4.4 and everything worked ok on the same
machine, so when we upgrade to kernel 4.8 we start to see the following error
dmseg log gets lots of this message:
-------------------------------------------------------------
[10101.785548] swap_dup: Bad swap file entry 2c0000000016ed28
[10101.785595] swap_dup: Bad swap file entry 2c0000000016ed29
[10101.785606] swap_dup: Bad swap file entry 2c0000000016ed2a
[10101.785613] swap_dup: Bad swap file entry 2c0000000016ed2b
[10101.785622] swap_dup: Bad swap file entry 2c0000000016ed2c
[10101.785629] swap_dup: Bad swap file entry 2c0000000016ed2d
[10101.785637] swap_dup: Bad swap file entry 2c0000000016ed2e
[10101.785648] swap_dup: Bad swap file entry 2c0000000016ed2f
[10101.785659] swap_dup: Bad swap file entry 2c0000000016ed2e and call
trace :
Call Trace:
[10101.785773] [c0000002fb923ac0] [c000000000b9db00] dump_stack+0xb0/0xf0
(unreliable)
[10101.785789] [c0000002fb923b00] [c000000000b9b330] dump_header+0x84/0x224
[10101.785801] [c0000002fb923bd0] [c00000000025d724]
oom_kill_process+0x3b4/0x5c0
[10101.785811] [c0000002fb923c80] [c00000000025dc80]
out_of_memory+0x290/0x580
[10101.785822] [c0000002fb923d30] [c00000000025dff4]
pagefault_out_of_memory+0x84/0xb0
[10101.785836] [c0000002fb923d80] [c000000000b94d44]
do_page_fault+0x7c4/0x7d0
[10101.785849] [c0000002fb923e30] [c000000000008948]
handle_page_fault+0x10/0x30
# cat /etc/*-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.10
DISTRIB_CODENAME=yakkety
DISTRIB_DESCRIPTION="Ubuntu 16.10"
NAME="Ubuntu"
VERSION="16.10 (Yakkety Yak)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.10"
VERSION_ID="16.10"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="http://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=yakkety
UBUNTU_CODENAME=yakkety
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