linux-kernel - Re: [BUG] unable to handle kernel paging request at virtual address 0800000e

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Date:	Mon, 09 Apr 2007 16:48:01 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Thomas Meyer <thomas@...3r.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org
Subject: Re: [BUG] unable to handle kernel paging request at virtual address
 0800000e

Thomas Meyer wrote:
> dmesg output:
> 
> pktcdvd: pkt_get_last_written failed
> BUG: unable to handle kernel paging request at virtual address 0800000e
<SNIP>
> EFLAGS: 00010203   (2.6.21-rc6 #295)
<SNIP>
> cdrom: This disc doesn't have any tracks I recognize!
> 
> This happens while calling command pktsetup.
> 

Well that's very strange.

long do_sys_open(int dfd, const char __user *filename, int flags, int mode)
{
        char *tmp = getname(filename);
        int fd = PTR_ERR(tmp);

        if (!IS_ERR(tmp)) {
                fd = get_unused_fd();
                if (fd >= 0) {
============>           struct file *f = do_filp_open(dfd, tmp, flags, mode);
                        if (IS_ERR(f)) {
                                put_unused_fd(fd);
                                fd = PTR_ERR(f);
                        } else {
                                fsnotify_open(f->f_path.dentry);
                                fd_install(fd, f);
                        }
                }
                putname(tmp);
        }

do_filp_open has returned 0x8000002

Isn't that a SCSI error of some kind?

IAC we have tried to do fsnotify_open(f->f_path.dentry) with that result...
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