Re: [Xenomai] xeno3_rc3 - Watchdog detected hard LOCKUP

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2015-04-21 23:14, Jeroen Van den Keybus wrote:
> Sorry to tell, but it happened again after 181 hours.
> 
> Of course, we can try to disable APEI (but not in BIOS AFAICT) but
> maybe it's better to find the root cause. I double checked that the
> patch is included in this kernel. The disassembly shows it's there
> allright. Hope you can make more out of it.

Yeah, too bad, I missed on turn of the code. This should work better:

diff --git a/lib/ioremap.c b/lib/ioremap.c
index f5331c0..1575d3e 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -88,9 +88,9 @@ int ioremap_page_range(unsigned long addr,
 			break;
 	} while (pgd++, addr = next, addr != end);
 
-	/* APEI may invoke this for temporarily remapping pages in NMI
+	/* APEI may invoke this for temporarily remapping pages in interrupt
 	 * context - nothing we can and need to propagate globally. */
-	if (!in_nmi()) {
+	if (!in_interrupt()) {
 		__ipipe_pin_range_globally(start, end);
 		flush_cache_vmap(start, end);
 	}

Jan

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