Messages in this thread Patch in this message | | | From | Måns Rullgård <> | Subject | Re: [ANNOUNCE] Linux 2.6 Real Time Kernel | Date | Sat, 09 Oct 2004 15:15:13 +0200 |
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I got this thing to build by adding a few EXPORT_SYMBOL, patch below. Now it seems to be running quite well. I am, however, getting occasional "bad: scheduling while atomic!" messages, all alike:
bad: scheduling while atomic! [<c02ef301>] schedule+0x4e5/0x4ea [<c0114cbe>] try_to_wake_up+0x99/0xa8 [<c01332e2>] __p_mutex_down+0xfe/0x190 [<c029e238>] alloc_skb+0x32/0xc3 [<c01335e0>] kmutex_is_locked+0x1f/0x33 [<c029fa63>] skb_queue_tail+0x1c/0x45 [<c02eb43e>] unix_stream_sendmsg+0x22c/0x38c [<c029ab03>] sock_sendmsg+0xc9/0xe3 [<c029f95a>] skb_dequeue+0x4a/0x5b [<c02eb9e6>] unix_stream_recvmsg+0x119/0x430 [<c0137f06>] __alloc_pages+0x1cc/0x33f [<c01168ca>] autoremove_wake_function+0x0/0x43 [<c029af4b>] sock_readv_writev+0x6e/0x97 [<c029afec>] sock_writev+0x37/0x3e [<c029afb5>] sock_writev+0x0/0x3e [<c014ebb8>] do_readv_writev+0x1db/0x21f [<c01168ca>] autoremove_wake_function+0x0/0x43 [<c014e5ca>] vfs_read+0xd0/0xf5 [<c014ec94>] vfs_writev+0x49/0x52 [<c014ed5a>] sys_writev+0x47/0x76 [<c0103f09>] sysenter_past_esp+0x52/0x71
USB, sound and wireless are all working nicely.
Now the patch:
--- kernel/kmutex.c~ 2004-10-09 12:51:37 +02:00 +++ kernel/kmutex.c 2004-10-09 13:50:43 +02:00 @@ -20,6 +20,7 @@ #include <linux/config.h> #include <linux/kmutex.h> #include <linux/sched.h> +#include <linux/module.h> # if defined CONFIG_PMUTEX # include <linux/pmutex.h> @@ -40,11 +41,14 @@ return p_mutex_trylock(&(lock->kmtx)); } +EXPORT_SYMBOL(kmutex_trylock); inline int kmutex_is_locked(struct kmutex *lock) { return p_mutex_is_locked(&(lock->kmtx)); } + +EXPORT_SYMBOL(kmutex_is_locked); # endif @@ -60,6 +64,7 @@ #endif } +EXPORT_SYMBOL(kmutex_init); /* * print warning is case kmutex_lock is called while preempt count is @@ -88,6 +93,8 @@ #endif } +EXPORT_SYMBOL(kmutex_lock); + void kmutex_unlock(struct kmutex *lock) { #if defined CONFIG_KMUTEX_DEBUG @@ -102,6 +109,7 @@ #endif } +EXPORT_SYMBOL(kmutex_unlock); void kmutex_unlock_wait(struct kmutex * lock) { @@ -111,4 +119,4 @@ } } - +EXPORT_SYMBOL(kmutex_unlock_wait);
-- Måns Rullgård mru@mru.ath.cx
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