lkml.org 
[lkml]   [2006]   [Oct]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: kernel BUG in __cache_alloc_node at linux-2.6.git/mm/slab.c:3177!
Here is patch to add some printk to try to figure out what is going on. 
Run with this and send me the console output leading up to the failure.


Index: linux-2.6.19-rc2-mm1/mm/slab.c
===================================================================
--- linux-2.6.19-rc2-mm1.orig/mm/slab.c 2006-10-17 18:43:47.000000000 -0500
+++ linux-2.6.19-rc2-mm1/mm/slab.c 2006-10-18 16:47:42.904912835 -0500
@@ -2005,6 +2005,7 @@ static int setup_cpu_cache(struct kmem_c
return enable_cpucache(cachep);

if (g_cpucache_up == NONE) {
+ printk(KERN_CRIT "setup_cpu_cache: NONE\n");
/*
* Note: the first kmem_cache_create must create the cache
* that's used by kmalloc(24), otherwise the creation of
@@ -2023,6 +2024,7 @@ static int setup_cpu_cache(struct kmem_c
else
g_cpucache_up = PARTIAL_AC;
} else {
+ printk(KERN_CRIT "setup_cpu_cache: PARTIAL\n");
cachep->array[smp_processor_id()] =
kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);

@@ -2219,6 +2221,7 @@ kmem_cache_create (const char *name, siz
align = ralign;

/* Get cache's description obj. */
+ printk(KERN_CRIT "Get cache descritor\n");
cachep = kmem_cache_zalloc(&cache_cache, SLAB_KERNEL);
if (!cachep)
goto oops;
@@ -3082,6 +3085,7 @@ static inline void *____cache_alloc(stru
void *objp;
struct array_cache *ac;

+ printk(KERN_CRIT "__cache_alloc\n");
check_irq_off();
ac = cpu_cache_get(cachep);
if (likely(ac->avail)) {
@@ -3135,6 +3139,7 @@ static void *alternate_node_alloc(struct
{
int nid_alloc, nid_here;

+ printk(KERN_CRIT "alternate_node_alloc\n");
if (in_interrupt() || (flags & __GFP_THISNODE))
return NULL;
nid_alloc = nid_here = numa_node_id();
@@ -3160,6 +3165,7 @@ void *fallback_alloc(struct kmem_cache *
struct zone **z;
void *obj = NULL;

+ printk(KERN_CRIT "fallback_alloc\n");
for (z = zonelist->zones; *z && !obj; z++)
if (zone_idx(*z) <= ZONE_NORMAL &&
cpuset_zone_allowed(*z, flags))
@@ -3181,6 +3187,8 @@ static void *__cache_alloc_node(struct k
void *obj;
int x;

+ printk("__cache_alloc_node %d\n", nodeid);
+
l3 = cachep->nodelists[nodeid];
BUG_ON(!l3);

-
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/
\
 
 \ /
  Last update: 2006-10-18 23:53    [W:0.093 / U:1.000 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site