Re: 2.6.26-rc2-mm1 - machine stuck while booting up with CONFIG_FTRACE_STARTUP_TESTenabled

[Steven Rostedt]

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

[...]

> 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: 

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