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Re: iostat-scsi.stp
- From: "Frank Ch. Eigler" <fche at redhat dot com>
- To: Krahbichler Roland <Roland dot Krahbichler at egger dot com>
- Cc: systemtap at sources dot redhat dot com
- Date: Fri, 19 Dec 2008 12:07:45 -0500
- Subject: Re: iostat-scsi.stp
- References: <C0E61E23F3364E42BED1D9F6674DF28205400279@SJOCEXCN01.egger.com>
Hi -
On Fri, Dec 19, 2008 at 05:51:13PM +0100, Krahbichler Roland wrote:
> [...]
> # stap -g iostat-scsi.stp 10
> WARNING: cannot find module sd_mod debuginfo: Unsupported relocation type
> semantic error: no match while resolving probe point module("sd_mod").function("sd_init_command")
> [...]
> but the module is already loaded:
> filename: /lib/modules/2.6.25.5-1.1-default/kernel/drivers/scsi/sd_mod.ko
> [...]
A web search of "systemtap unsupported relocation" indicates two
possible causes, one of which was an installation glitch with
elfutils. Please give more information about how systemtap was built;
"stap -V"; or if your installation is recent enough, the relevant bits
of the "stap-report" output.
- FChE