linux-kernel - Re: user mode linux: trinity syscall "madvise" triggers quickly BUG: Bad page map

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Date:	Sat, 06 Apr 2013 14:55:01 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
CC:	"user-mode-linux-user@...ts.sourceforge.net" 
	<user-mode-linux-user@...ts.sourceforge.net>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: user mode linux: trinity syscall "madvise" triggers quickly BUG:
 Bad page map

On 04/06/2013 02:47 PM, Toralf Förster wrote:
> On 04/06/2013 01:43 PM, richard -rw- weinberger wrote:
>>> What I get with the this trinity command line
>>>
>>> gt; trinity --children 2 -c madvise
>>
>> Does the attached patch fix the problem?
> 
> yes, the issue for this syscall is fixed now.
> 

But now I get - after running this command for a longer time :


2013-04-06T14:49:55.755+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f2ff008
2013-04-06T14:49:55.755+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e5000
2013-04-06T14:49:55.755+02:00 trinity kernel: syscall parameters: 0x280e5000 0x1000 0x7 0x11 0x3 0x11cba
2013-04-06T14:49:55.755+02:00 trinity kernel: Failed to flush page for address 0x280e5000
2013-04-06T14:49:57.600+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f397008
2013-04-06T14:49:57.600+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e5000
2013-04-06T14:49:57.600+02:00 trinity kernel: syscall parameters: 0x280e5000 0x1000 0x7 0x11 0x3 0x1ad80
2013-04-06T14:49:57.600+02:00 trinity kernel: Failed to flush page for address 0x280e5000
2013-04-06T14:50:01.000+02:00 trinity cron[1071]: (root) CMD (test -x /usr/sbin/run-crons && /usr/sbin/run-crons)
2013-04-06T14:51:15.336+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f2fe008
2013-04-06T14:51:15.336+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e3000
2013-04-06T14:51:15.336+02:00 trinity kernel: syscall parameters: 0x280e3000 0x1000 0x7 0x11 0x3 0xd561
2013-04-06T14:51:15.336+02:00 trinity kernel: Failed to flush page for address 0x280e3000
2013-04-06T14:51:20.224+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f394008
2013-04-06T14:51:20.224+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e5000
2013-04-06T14:51:20.224+02:00 trinity kernel: syscall parameters: 0x280e5000 0x1000 0x7 0x11 0x3 0x29571
2013-04-06T14:51:20.224+02:00 trinity kernel: Failed to flush page for address 0x280e5000
2013-04-06T14:52:34.379+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f22a008
2013-04-06T14:52:34.379+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e3000
2013-04-06T14:52:34.379+02:00 trinity kernel: syscall parameters: 0x280e3000 0x1000 0x7 0x11 0x3 0x9b50
2013-04-06T14:52:34.379+02:00 trinity kernel: Failed to flush page for address 0x280e3000
2013-04-06T14:52:40.422+02:00 trinity kernel: do_syscall_stub : ret = -12, offset = 1052680, data = 3f397008
2013-04-06T14:52:40.422+02:00 trinity kernel: do_syscall_stub: syscall 192 failed, return value = 0xfffffff4, expected return value = 0x280e3000
2013-04-06T14:52:40.422+02:00 trinity kernel: syscall parameters: 0x280e3000 0x1000 0x7 0x11 0x3 0xde37
2013-04-06T14:52:40.422+02:00 trinity kernel: Failed to flush page for address 0x280e3000

and the appropriate linux - process at the host process runs at 100%

-- 
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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