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Date: Thu, 17 Jul 2008 03:39:18 +0200
From: Ondrej Zajicek <santiago@...reenet.org>
To: MadLoisae@....net
Cc: Alexey Dobriyan <adobriyan@...il.com>,
linux-kernel@...r.kernel.org,
linux-fbdev-devel@...ts.sourceforge.net
Subject: Re: kernel oops with framebuffer device vt8623fb
On Wed, Jul 16, 2008 at 07:00:02PM +0200, MadLoisae@....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@...reenet.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@...reenet.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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