This is the same problem that some people (myself included) have had on 2.6.12+ kernels on AMD64 systems. The attached patch (from http://www.nvnews.net/vbulletin/showthread.php?t=50150) fixed this problem for me.
-- Alex Malinovich Support Free Software, delete your Windows partition TODAY! Encrypted mail preferred. You can get my public key from any of the pgp.net keyservers. Key ID: A6D24837
diff -ru usr/src/nv/nv-linux.h usr/src/nv.1296092/nv-linux.h
--- usr/src/nv/nv-linux.h 2005-03-22 16:19:09.000000000 +0100
+++ usr/src/nv.1296092/nv-linux.h 2005-06-14 16:55:30.416687848 +0200
@@ -76,7 +76,7 @@
#include <asm/page.h> /* PAGE_OFFSET */
#include <asm/pgtable.h> /* pte bit definitions */
-#if defined(NVCPU_X86_64) && defined(KERNEL_2_6)
+#if defined(NVCPU_X86_64) && defined(KERNEL_2_6) && !defined(HAVE_COMPAT_IOCTL)
#include <linux/syscalls.h> /* sys_ioctl() */
#include <linux/ioctl32.h> /* register_ioctl32_conversion() */
#endif
diff -ru usr/src/nv/nv.c usr/src/nv.1296092/nv.c
--- usr/src/nv/nv.c 2005-03-22 16:19:09.000000000 +0100
+++ usr/src/nv.1296092/nv.c 2005-06-14 16:55:16.745766144 +0200
@@ -153,6 +153,7 @@
int nv_kern_mmap(struct file *, struct vm_area_struct *);
unsigned int nv_kern_poll(struct file *, poll_table *);
int nv_kern_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+long nv_kern_compat_ioctl(struct file *, unsigned int, unsigned long);
void nv_kern_isr_bh(unsigned long);
irqreturn_t nv_kern_isr(int, void *, struct pt_regs *);
void nv_kern_rc_timer(unsigned long);
@@ -209,6 +210,9 @@
.owner = THIS_MODULE,
.poll = nv_kern_poll,
.ioctl = nv_kern_ioctl,
+#if defined(NVCPU_X86_64) && defined(HAVE_COMPAT_IOCTL)
+ .compat_ioctl = nv_kern_compat_ioctl,
+#endif
.mmap = nv_kern_mmap,
.open = nv_kern_open,
.release = nv_kern_close,
@@ -993,8 +997,10 @@
inter_module_register("nv_linux_devices", THIS_MODULE, nv_linux_devices);
#endif
+#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION) && !defined(HAVE_COMPAT_IOCTL)
/* Register ioctl conversions for 32 bit clients */
rm_register_ioctl_conversions();
+#endif
#ifdef NV_SWIOTLB
// may need a better test than this eventually
@@ -1154,8 +1160,10 @@
#endif
}
+#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION) && !defined(HAVE_COMPAT_IOCTL)
/* Unregister ioctl conversions for 32 bit clients */
rm_unregister_ioctl_conversions();
+#endif
#if defined(NV_BUILD_NV_PAT_SUPPORT)
if (nv_pat_enabled)
@@ -1930,6 +1938,15 @@
return status;
}
+long nv_kern_compat_ioctl(
+ struct file *file,
+ unsigned int cmd,
+ unsigned long i_arg
+)
+{
+ return nv_kern_ioctl(file->f_dentry->d_inode, file, cmd, i_arg);
+}
+
/*
* driver receives an interrupt
* if someone waiting, then hand it off.
diff -ru usr/src/nv/os-interface.c usr/src/nv.1296092/os-interface.c
--- usr/src/nv/os-interface.c 2005-03-22 16:19:09.000000000 +0100
+++ usr/src/nv.1296092/os-interface.c 2005-06-14 16:55:21.366063752 +0200
@@ -1227,18 +1227,18 @@
void NV_API_CALL os_register_ioctl32_conversion(U032 cmd, U032 size)
{
-#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION)
+#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION) && !defined(HAVE_COMPAT_IOCTL)
unsigned int request = _IOWR(NV_IOCTL_MAGIC, cmd, char[size]);
register_ioctl32_conversion(request, (void *)sys_ioctl);
-#endif /* NVCPU_X86_64 */
+#endif
}
void NV_API_CALL os_unregister_ioctl32_conversion(U032 cmd, U032 size)
{
-#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION)
+#if defined(NVCPU_X86_64) && defined(CONFIG_IA32_EMULATION) && !defined(HAVE_COMPAT_IOCTL)
unsigned int request = _IOWR(NV_IOCTL_MAGIC, cmd, char[size]);
unregister_ioctl32_conversion(request);
-#endif /* NVCPU_X86_64 */
+#endif
}
BOOL NV_API_CALL os_pat_supported(void)
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