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From: Pozsar Balazs <pozsy@uhulinux.hu>
To: Grzegorz Kulewski <kangur@polcom.net>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6.7-rc3-mm1 problems (ACPI and others)
Date: Fri, 11 Jun 2004 01:10:34 +0200	[thread overview]
Message-ID: <20040610231034.GB32384@unicorn.sch.bme.hu> (raw)
In-Reply-To: <Pine.LNX.4.58.0406102131360.18039@alpha.polcom.net>

[-- Attachment #1: Type: text/plain, Size: 408 bytes --]


On Thu, Jun 10, 2004 at 09:57:58PM +0200, Grzegorz Kulewski wrote:
> Hi,
> 
> I have the following problems with 2.6.7-rc3-mm1:
> 
> 1. ACPI is still broken for me. It was broken on 2.6.7-rc2-mm2 (as I 
> reported previously) but was working fine with 2.6.6-mm4 (see log).

Same here, 2.6.6 worked, 2.6.7-rc2 is buggy.

For me, the attached acpi-revert.diff helps, but I do not understand 
why.


-- 
pozsy

[-- Attachment #2: acpi-revert.diff --]
[-- Type: text/plain, Size: 3293 bytes --]

diff -Naurd linux-bad/drivers/acpi/acpi_ksyms.c linux-good/drivers/acpi/acpi_ksyms.c
--- linux-bad/drivers/acpi/acpi_ksyms.c	2004-06-01 12:42:05.000000000 +0200
+++ linux-good/drivers/acpi/acpi_ksyms.c	2004-05-10 04:32:27.000000000 +0200
@@ -106,7 +106,7 @@
 EXPORT_SYMBOL(acpi_os_create_semaphore);
 EXPORT_SYMBOL(acpi_os_delete_semaphore);
 EXPORT_SYMBOL(acpi_os_wait_semaphore);
-EXPORT_SYMBOL(acpi_os_wait_events_complete);
+
 EXPORT_SYMBOL(acpi_os_read_pci_configuration);
 
 /* ACPI Utilities (acpi_utils.c) */
diff -Naurd linux-bad/drivers/acpi/events/evxface.c linux-good/drivers/acpi/events/evxface.c
--- linux-bad/drivers/acpi/events/evxface.c	2004-06-01 12:42:05.000000000 +0200
+++ linux-good/drivers/acpi/events/evxface.c	2004-05-10 04:32:39.000000000 +0200
@@ -406,15 +406,6 @@
 			goto unlock_and_exit;
 		}
 
-		/* Make sure all deferred tasks are completed */
-
-		(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
-		acpi_os_wait_events_complete(NULL);
-		status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
-		if (ACPI_FAILURE (status)) {
-			return_ACPI_STATUS (status);
- 		}
-
 		if (handler_type == ACPI_SYSTEM_NOTIFY) {
 			acpi_gbl_system_notify.node  = NULL;
 			acpi_gbl_system_notify.handler = NULL;
@@ -461,15 +452,6 @@
 			goto unlock_and_exit;
 		}
 
-		/* Make sure all deferred tasks are completed */
-
-		(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
-		acpi_os_wait_events_complete(NULL);
-		status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
-		if (ACPI_FAILURE (status)) {
-			return_ACPI_STATUS (status);
- 		}
-
 		/* Remove the handler */
 
 		if (handler_type == ACPI_SYSTEM_NOTIFY) {
@@ -632,15 +614,6 @@
 		goto unlock_and_exit;
 	}
 
-	/* Make sure all deferred tasks are completed */
-
-	(void) acpi_ut_release_mutex (ACPI_MTX_EVENTS);
-	acpi_os_wait_events_complete(NULL);
-	status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
-	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
- 	}
-
 	/* Remove the handler */
 
 	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
diff -Naurd linux-bad/drivers/acpi/osl.c linux-good/drivers/acpi/osl.c
--- linux-bad/drivers/acpi/osl.c	2004-06-01 12:42:30.000000000 +0200
+++ linux-good/drivers/acpi/osl.c	2004-05-30 14:37:40.000000000 +0200
@@ -66,7 +66,6 @@
 static unsigned int acpi_irq_irq;
 static OSD_HANDLER acpi_irq_handler;
 static void *acpi_irq_context;
-static struct workqueue_struct *kacpid_wq;
 
 acpi_status
 acpi_os_initialize(void)
@@ -81,8 +80,6 @@
 		return AE_NULL_ENTRY;
 	}
 #endif
-	kacpid_wq = create_singlethread_workqueue("kacpid");
-	BUG_ON(!kacpid_wq);
 
 	return AE_OK;
 }
@@ -95,8 +92,6 @@
 						 acpi_irq_handler);
 	}
 
-	destroy_workqueue(kacpid_wq);
-
 	return AE_OK;
 }
 
@@ -659,8 +654,8 @@
 	task = (void *)(dpc+1);
 	INIT_WORK(task, acpi_os_execute_deferred, (void*)dpc);
 
-	if (!queue_work(kacpid_wq, task)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Call to queue_work() failed.\n"));
+	if (!schedule_work(task)) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Call to schedule_work() failed.\n"));
 		kfree(dpc);
 		status = AE_ERROR;
 	}
@@ -668,13 +663,6 @@
 	return_ACPI_STATUS (status);
 }
 
-void
-acpi_os_wait_events_complete(
-	void *context)
-{
-	flush_workqueue(kacpid_wq);
-}
-
 /*
  * Allocate the memory for a spinlock and initialize it.
  */

  parent reply	other threads:[~2004-06-10 23:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-10 20:45 [PATCH]Re:2.6.7-rc3-mm1 long
2004-06-10 19:57 ` 2.6.7-rc3-mm1 problems (ACPI and others) Grzegorz Kulewski
2004-06-10 20:47   ` Mikael Pettersson
2004-06-10 23:10   ` Pozsar Balazs [this message]
2004-06-11  1:05 ` [PATCH]Re:2.6.7-rc3-mm1 William Lee Irwin III

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