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On Fri, 23 Jun 2006 21:54:00 -0400 Chuck Ebbert <76306.1226@compuserve.com> wrote: > In-Reply-To: <20060623023124.138d432f.akpm@osdl.org> > > On Fri, 23 Jun 2006 02:31:24 -0700, Andrew Morton wrote: > > > > > Code: 05 c4 42 43 c0 31 43 43 c0 c3 8b 2d 68 6e 54 c0 8b 1d 60 6e 54 c0 8b 35 6c 6e 54 c0 8b 3d 70 6d 54 c0 ff 35 74 6e 54 c0 9d c3 90 <e8> 6d 38 ea ff e8 a2 ff ff ff 6a 03 e8 ec b6 de ff 83 c4 04 c3 > > > > EIP: [c043431c>] do_suspend_lowlevel+0x0/0x15 SS:ESP 0068:f6cb6ea4 > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > > > Ha, wait a moment, this is interesting line. Can you trace down which > > > instruction causes this? > > > > > > We recently changed pagetable handling during swsusp, perhaps thats > > > it? It went to Linus few minutes ago... > > > > That's a good possibility. It does appear to be oopsing at the first > > instruction of arch/i386/kernel/acpi/wakeup.S:do_suspend_lowlevel(). > > Perhaps there's enough info in that oops trace to tell us whether it was > > the instruction fetch which oopsed. > > > > One wonders whether this will help... > > > > --- a/arch/i386/kernel/acpi/wakeup.S~a > > +++ a/arch/i386/kernel/acpi/wakeup.S > > @@ -270,6 +270,7 @@ ALIGN > > ENTRY(saved_magic) .long 0 > > ENTRY(saved_eip) .long 0 > > > > +.text > > save_registers: > > leal 4(%esp), %eax > > movl %eax, saved_context_esp > > @@ -304,6 +305,7 @@ ret_point: > > call restore_processor_state > > ret > > > > +.data > > ALIGN > > # saved registers > > saved_gdt: .long 0,0 > > > This is in 2.6.17-mm1 already: > > > From: Shaohua Li <shaohua.li@intel.com> > > Move do_suspend_lowlevel to correct segment. If it is in the same hugepage > with ro data, mark_rodata_ro will make it unexecutable. > OK. But this bug report is against 2.6.17-mm1, isn't it? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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