>-----Original Message----- >From: Thomas Gleixner [mailto:tglx@xxxxxxxxxxxxx] >Sent: Friday, August 27, 2010 2:16 AM >To: Sydir, Jerry >Cc: linux-rt-users@xxxxxxxxxxxxxxx >Subject: Re: perf and oprofile causing kernel oops on 2.6.33.7-rt29 kernel > >On Wed, 18 Aug 2010, Sydir, Jerry wrote: > >> Hello, >> >> I am having trouble running profiling tools on the 2.6.33.7 kernel >> with the rt29 patch. I am running on an Intel Core 2 machine. When I >> run perf record I get a kernel oops. Here is the relevant log info: >> >> BUG: sleeping function called from invalid context at >arch/x86/mm/highmem_32.c:9 > >Grrr, I really hate highmem. What happens if you disable >CONFIG_HIGHMEM or just run a 64 bit kernel on that machine ? > >Thanks, > > tglx I tried disabling CONFIG_HIGHMEM and that worked. (The patch that Jan suggested also worked). Thanks for your help. Jerry -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
