[lkml]   [2007]   [Aug]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.6.23-rc2-mm1: sleeping function called from invalid context at kernel/mutex.c:86

* Andrew Morton <> wrote:

> We seem to have made a mess in there. timer_list_show() ends up
> calling lookup_module_symbol_name(), which takes a mutex. However
> print_symbol() (which is called at oops time, interrupt time, etc)
> calls module_address_lookup(), which is basically the same, only it
> doesn't take the mutex.

hm, current upstream does:

static void print_name_offset(struct seq_file *m, void *sym)
char symname[KSYM_NAME_LEN];

if (lookup_symbol_name((unsigned long)sym, symname) < 0)

why was that changed? I think symbol lookups for debug purposes have to
be lockless, fundamentally.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-08-10 09:43    [W:0.070 / U:12.440 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site