Re: 2.6.26-rc2-mm1 - machine stuck while booting up with CONFIG_FTRACE_STARTUP_TESTenabled
From: Kamalesh Babulal
Date: Mon May 19 2008 - 10:09:53 EST
Steven Rostedt wrote:
> Kamalesh Babulal wrote:
>> Hi Andrew,
>>
>> The 2.6.26-rc2-mm1 kernel gets stuck, while booting up on x86_64 machine,
>> with the CONFIG_FTRACE_STARTUP_TEST enabled. The following .config
>> options related to FTRACE are enabled.
>>
>> CONFIG_FTRACE_SELFTEST=y
>> CONFIG_FTRACE_STARTUP_TEST=y
>> CONFIG_FTRACE=y
>> CONFIG_HAVE_FTRACE=y
>> CONFIG_DYNAMIC_FTRACE=y
>>
>
> [...]
>
>> Built 1 zonelists in Zone order, mobility grouping on. Total pages: 1805035
>> Policy zone: Normal
>> Kernel command line: root=/dev/sda1 ro console=tty0 console=ttyS0,38400n1 noapci IDENT=1211176695
>
> Hi, could you do nmi_watchdog=1 and see if that gives you a stack dump?
>
> Thanks.
>
> -- Steve
Hi Steven,
Passing nmi_watchdog=1 did not help in getting any extra information, over the previous
console log. The boot up message is stuck exactly at the same place.
>
> [...]
>
>> checking if image is initramfs... it is
>> Freeing initrd memory: 1466k freed
>> audit: initializing netlink socket (disabled)
>> type=2000 audit(1211176950.517:1): initialized
>> Testing tracer sched_switch: PASSED
>> Testing tracer sysprof: PASSED
>> Testing tracer ftrace:
>>
>
--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.
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