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From: Ondrej Zajicek <santiago@crfreenet.org>
To: MadLoisae@gmx.net
Cc: linux-fbdev-devel@lists.sourceforge.net,
	Alexey Dobriyan <adobriyan@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: kernel oops with framebuffer device vt8623fb
Date: Thu, 17 Jul 2008 03:39:18 +0200	[thread overview]
Message-ID: <20080717013917.GA1695@localhost.localdomain> (raw)
In-Reply-To: <487E2911.5090701@gmx.net>

On Wed, Jul 16, 2008 at 07:00:02PM +0200, MadLoisae@gmx.net wrote:
> Hi!
> 
> I've updated my machine from 2.6.25.11 to 2.6.26 and I think I've found 
> a problem.
> 
> If I load the module vt8623fb i get a kernel oops, if the VIA 8623 
> display framebuffer driver is compiled direct into kernel the system 
> hangs up very early at booting the kernel.

I am sorry for mistake, here is a patch for 2.6.26 fixing the bug:

Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>

diff -uprN -X linux-2.6.26-orig/Documentation/dontdiff linux-2.6.26-orig/drivers/video/arkfb.c linux-2.6.26/drivers/video/arkfb.c
--- linux-2.6.26-orig/drivers/video/arkfb.c	2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/drivers/video/arkfb.c	2008-07-16 22:56:34.000000000 +0200
@@ -958,20 +958,20 @@ static int __devinit ark_pci_probe(struc
 	/* Prepare PCI device */
 	rc = pci_enable_device(dev);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot enable PCI device\n");
+		dev_err(info->device, "cannot enable PCI device\n");
 		goto err_enable_device;
 	}
 
 	rc = pci_request_regions(dev, "arkfb");
 	if (rc < 0) {
-		dev_err(info->dev, "cannot reserve framebuffer region\n");
+		dev_err(info->device, "cannot reserve framebuffer region\n");
 		goto err_request_regions;
 	}
 
 	par->dac = ics5342_init(ark_dac_read_regs, ark_dac_write_regs, info);
 	if (! par->dac) {
 		rc = -ENOMEM;
-		dev_err(info->dev, "RAMDAC initialization failed\n");
+		dev_err(info->device, "RAMDAC initialization failed\n");
 		goto err_dac;
 	}
 
@@ -982,7 +982,7 @@ static int __devinit ark_pci_probe(struc
 	info->screen_base = pci_iomap(dev, 0, 0);
 	if (! info->screen_base) {
 		rc = -ENOMEM;
-		dev_err(info->dev, "iomap for framebuffer failed\n");
+		dev_err(info->device, "iomap for framebuffer failed\n");
 		goto err_iomap;
 	}
 
@@ -1004,19 +1004,19 @@ static int __devinit ark_pci_probe(struc
 	rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
 	if (! ((rc == 1) || (rc == 2))) {
 		rc = -EINVAL;
-		dev_err(info->dev, "mode %s not found\n", mode_option);
+		dev_err(info->device, "mode %s not found\n", mode_option);
 		goto err_find_mode;
 	}
 
 	rc = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot allocate colormap\n");
+		dev_err(info->device, "cannot allocate colormap\n");
 		goto err_alloc_cmap;
 	}
 
 	rc = register_framebuffer(info);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot register framebugger\n");
+		dev_err(info->device, "cannot register framebugger\n");
 		goto err_reg_fb;
 	}
 
@@ -1090,7 +1090,7 @@ static int ark_pci_suspend (struct pci_d
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct arkfb_info *par = info->par;
 
-	dev_info(info->dev, "suspend\n");
+	dev_info(info->device, "suspend\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));
@@ -1121,7 +1121,7 @@ static int ark_pci_resume (struct pci_de
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct arkfb_info *par = info->par;
 
-	dev_info(info->dev, "resume\n");
+	dev_info(info->device, "resume\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));
diff -uprN -X linux-2.6.26-orig/Documentation/dontdiff linux-2.6.26-orig/drivers/video/s3fb.c linux-2.6.26/drivers/video/s3fb.c
--- linux-2.6.26-orig/drivers/video/s3fb.c	2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/drivers/video/s3fb.c	2008-07-16 22:44:19.000000000 +0200
@@ -903,13 +903,13 @@ static int __devinit s3_pci_probe(struct
 	/* Prepare PCI device */
 	rc = pci_enable_device(dev);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot enable PCI device\n");
+		dev_err(info->device, "cannot enable PCI device\n");
 		goto err_enable_device;
 	}
 
 	rc = pci_request_regions(dev, "s3fb");
 	if (rc < 0) {
-		dev_err(info->dev, "cannot reserve framebuffer region\n");
+		dev_err(info->device, "cannot reserve framebuffer region\n");
 		goto err_request_regions;
 	}
 
@@ -921,7 +921,7 @@ static int __devinit s3_pci_probe(struct
 	info->screen_base = pci_iomap(dev, 0, 0);
 	if (! info->screen_base) {
 		rc = -ENOMEM;
-		dev_err(info->dev, "iomap for framebuffer failed\n");
+		dev_err(info->device, "iomap for framebuffer failed\n");
 		goto err_iomap;
 	}
 
@@ -965,19 +965,19 @@ static int __devinit s3_pci_probe(struct
 	rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
 	if (! ((rc == 1) || (rc == 2))) {
 		rc = -EINVAL;
-		dev_err(info->dev, "mode %s not found\n", mode_option);
+		dev_err(info->device, "mode %s not found\n", mode_option);
 		goto err_find_mode;
 	}
 
 	rc = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot allocate colormap\n");
+		dev_err(info->device, "cannot allocate colormap\n");
 		goto err_alloc_cmap;
 	}
 
 	rc = register_framebuffer(info);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot register framebuffer\n");
+		dev_err(info->device, "cannot register framebuffer\n");
 		goto err_reg_fb;
 	}
 
@@ -1053,7 +1053,7 @@ static int s3_pci_suspend(struct pci_dev
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct s3fb_info *par = info->par;
 
-	dev_info(info->dev, "suspend\n");
+	dev_info(info->device, "suspend\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));
@@ -1085,7 +1085,7 @@ static int s3_pci_resume(struct pci_dev*
 	struct s3fb_info *par = info->par;
 	int err;
 
-	dev_info(info->dev, "resume\n");
+	dev_info(info->device, "resume\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));
@@ -1102,7 +1102,7 @@ static int s3_pci_resume(struct pci_dev*
 	if (err) {
 		mutex_unlock(&(par->open_lock));
 		release_console_sem();
-		dev_err(info->dev, "error %d enabling device for resume\n", err);
+		dev_err(info->device, "error %d enabling device for resume\n", err);
 		return err;
 	}
 	pci_set_master(dev);
diff -uprN -X linux-2.6.26-orig/Documentation/dontdiff linux-2.6.26-orig/drivers/video/vt8623fb.c linux-2.6.26/drivers/video/vt8623fb.c
--- linux-2.6.26-orig/drivers/video/vt8623fb.c	2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/drivers/video/vt8623fb.c	2008-07-16 22:57:05.000000000 +0200
@@ -677,13 +677,13 @@ static int __devinit vt8623_pci_probe(st
 
 	rc = pci_enable_device(dev);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot enable PCI device\n");
+		dev_err(info->device, "cannot enable PCI device\n");
 		goto err_enable_device;
 	}
 
 	rc = pci_request_regions(dev, "vt8623fb");
 	if (rc < 0) {
-		dev_err(info->dev, "cannot reserve framebuffer region\n");
+		dev_err(info->device, "cannot reserve framebuffer region\n");
 		goto err_request_regions;
 	}
 
@@ -696,14 +696,14 @@ static int __devinit vt8623_pci_probe(st
 	info->screen_base = pci_iomap(dev, 0, 0);
 	if (! info->screen_base) {
 		rc = -ENOMEM;
-		dev_err(info->dev, "iomap for framebuffer failed\n");
+		dev_err(info->device, "iomap for framebuffer failed\n");
 		goto err_iomap_1;
 	}
 
 	par->mmio_base = pci_iomap(dev, 1, 0);
 	if (! par->mmio_base) {
 		rc = -ENOMEM;
-		dev_err(info->dev, "iomap for MMIO failed\n");
+		dev_err(info->device, "iomap for MMIO failed\n");
 		goto err_iomap_2;
 	}
 
@@ -714,7 +714,7 @@ static int __devinit vt8623_pci_probe(st
 	if ((16 <= memsize1) && (memsize1 <= 64) && (memsize1 == memsize2))
 		info->screen_size = memsize1 << 20;
 	else {
-		dev_err(info->dev, "memory size detection failed (%x %x), suppose 16 MB\n", memsize1, memsize2);
+		dev_err(info->device, "memory size detection failed (%x %x), suppose 16 MB\n", memsize1, memsize2);
 		info->screen_size = 16 << 20;
 	}
 
@@ -731,19 +731,19 @@ static int __devinit vt8623_pci_probe(st
 	rc = fb_find_mode(&(info->var), info, mode_option, NULL, 0, NULL, 8);
 	if (! ((rc == 1) || (rc == 2))) {
 		rc = -EINVAL;
-		dev_err(info->dev, "mode %s not found\n", mode_option);
+		dev_err(info->device, "mode %s not found\n", mode_option);
 		goto err_find_mode;
 	}
 
 	rc = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot allocate colormap\n");
+		dev_err(info->device, "cannot allocate colormap\n");
 		goto err_alloc_cmap;
 	}
 
 	rc = register_framebuffer(info);
 	if (rc < 0) {
-		dev_err(info->dev, "cannot register framebugger\n");
+		dev_err(info->device, "cannot register framebugger\n");
 		goto err_reg_fb;
 	}
 
@@ -817,7 +817,7 @@ static int vt8623_pci_suspend(struct pci
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct vt8623fb_info *par = info->par;
 
-	dev_info(info->dev, "suspend\n");
+	dev_info(info->device, "suspend\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));
@@ -848,7 +848,7 @@ static int vt8623_pci_resume(struct pci_
 	struct fb_info *info = pci_get_drvdata(dev);
 	struct vt8623fb_info *par = info->par;
 
-	dev_info(info->dev, "resume\n");
+	dev_info(info->device, "resume\n");
 
 	acquire_console_sem();
 	mutex_lock(&(par->open_lock));




-- 
Elen sila lumenn' omentielvo

Ondrej 'SanTiago' Zajicek (email: santiago@crfreenet.org)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."

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       reply	other threads:[~2008-07-17  1:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <487E2911.5090701@gmx.net>
2008-07-17  1:39 ` Ondrej Zajicek [this message]
2008-07-17 11:21   ` kernel oops with framebuffer device vt8623fb alois.klingler
2008-07-17 11:23   ` MadLoisae
2008-07-29  3:48   ` Andrew Morton
2008-08-05 11:17     ` alois.klingler
2008-08-05 16:12       ` Andrew Morton

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