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mtrr: type mismatch on starting X server
I am using Debian Lenny with 2.6.30 kernel on my Intel Atom Poulsbo chipset computer and I get the following messages in my dmesg when I start the X server: [ 22.760737] mtrr: type mismatch for...
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how to get proc_root
Hi, i am trying to hook readdir call in proc filesystem. struct file_operations *fops; fops = proc_root.proc_fops; readdir_old = fops->readdir; fops->readdir = readdir_new; But, proc_root is no...
View ArticleThe 2009 entry
Well, I can clearly see that I maintained things here. I'm not sure why I don't blog anymore. I feel like I have less time these days, and I'm not sure if that's reality, or if I'm just not very good...
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memleak in fs/char_dev.c : alloc_chrdev_region?
snippet: int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count, const char *name) { struct char_device_struct *cd; cd = __register_chrdev_region(0, baseminor, count, name); if...
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[SATA] errors writing to DVD-RAM with imperfect media
Hi, Writing to DVD-RAM is causing me grief. For testing I've been using a purpose built Gentoo system, X64, Phenom II CPU (3 cores). The MB uses the AMD SB700/SB800 AHCI chipset. I have installed a...
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Linux: Removing The Big Kernel Lock
Arnd Bergmann noted that he's working on removing the BKL from the Linux kernel, "I've spent some time continuing the work of the people on Cc and many others to remove the big kernel lock from Linux...
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Linux: Memory Compaction
Mel Gorman posted the seventh version of his Memory Compaction patches asking, "are there any further obstacles to merging?" The patches, first posted in May of 2007, provide a mechanism for moving...
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Linux: 2.6.34-rc4, "Hunting A Really Annoying VM Regression"
"It's been two weeks rather than the usual one, because we've been hunting a really annoying VM regression that not a lot of people seem to have seen, but I didn't want to release an -rc4 with...
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Problem with sock_create in KLM
Hello, i am dealing with studiing kernel module. As example i am using block device from lwnhttp://lwn.net/Articles/58719/and so far so good, but i am trying to create simple network disk (just for...
View Articlesyscall interception module on 2.6.32
Hi,I am using the following kernel module to intercept some syscalls. I have got sys_call_table address from the /boot/System.map.x.x. The module works file on Ubuntu 7.10 (2.6.24) but gets killed upon...
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