我有一个运行Ubuntu16.04.5LTS的VPS,直到最近,我才更新它。现在,当我尝试时,我会收到以下错误消息:
The following packages have unmet dependencies:
linux-headers-4.4.0-134-generic : Depends: linux-headers-4.4.0-134 but it is not installed
linux-image-virtual : Depends: linux-image-
这似乎是在我登录VPS时出现以下消息的同时发生的:
New release '18.04.1 LTS&
dpkg: error processing linux-generic,在sudo apt-get install -f时遇到依赖错误
Setting up linux-image-generic (3.2.0.60.71) ...
dpkg: dependency problems prevent configuration of linux-generic:
linux-generic depends on linux-image-generic (= 3.2.0.58.69); however:
Version of linux-image-generic on system i
嗨,在Linux中,有什么方法可以使我的代码免受其他操作系统中断的影响吗?例如,如果我有下面的代码,并且我需要找到确切的执行时间,而不需要其他东西干扰我的代码。
我已经研究过pthread_mutex_lock(&cs_mutex);,但无法停止其他操作来运行。
while(1){
//start some method to block other OS overheads
c_start=clock();
some_function();
c_end=clock();
//stop OS overhead block
//calculate time
}
假设有一个端口映射的I/O设备,它在IRQ线路上任意生成中断。设备的挂起中断可以通过对特定寄存器的单个outb调用来清除。
此外,假设下面的中断处理程序通过request_irq分配给相关的IRQ行
irqreturn_t handler(int irq, void *data)
{
/* clear pending IRQ on device */
outb(0, CLEAR_IRQ_REGISTER_ADDR);
/* device may generate another IRQ at this point,
* but
所以apt-get告诉我使用-f安装
guy@server:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
linux-headers-3.13.0-32 linux-headers-3.
我用mpir(在windows上)写了一个公钥-私钥生成器,它工作得很好。
当我尝试在linux机器上使用gmp库编译它时,它抛出了一大堆链接器错误。
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 0 has invali
d symbol index 11
/usr/bin/ld: /usr/lib/debug/usr/lib/crt1.o(.debug_info): relocation 1 has invali
d symbol index 12
/usr/bin/ld: /usr/lib/debu