I added dump_stack and some printk in host kernel. The following is what
I got when sys_reboot in host kernel is called, the first line is
printing the process state and ptrace state and pid of the calling
process. the following is the call path.
Sep 22 14:25:49 pc kernel: linux
On Sat, Sep 22, 2007 at 12:39:55PM +0800, lepton wrote:
> There is a bug in os_free_irq_by_cb, when the first element
> of active_fds list is free, the value of active_fds is not
> updated, just value in stack is updated.
Man, that sucks.
Nice spotting.
>
> The intresting thing is
On Sat, Sep 22, 2007 at 12:39:55PM +0800, lepton wrote:
There is a bug in os_free_irq_by_cb, when the first element
of active_fds list is free, the value of active_fds is not
updated, just value in stack is updated.
Man, that sucks.
Nice spotting.
The intresting thing is that
I added dump_stack and some printk in host kernel. The following is what
I got when sys_reboot in host kernel is called, the first line is
printing the process state and ptrace state and pid of the calling
process. the following is the call path.
Sep 22 14:25:49 pc kernel: linux
Hi,
There is a bug in os_free_irq_by_cb, when the first element
of active_fds list is free, the value of active_fds is not
updated, just value in stack is updated.
The intresting thing is that without this patch, a poweroff
in user mode linux guest will halt the host linux system.It
Hi,
There is a bug in os_free_irq_by_cb, when the first element
of active_fds list is free, the value of active_fds is not
updated, just value in stack is updated.
The intresting thing is that without this patch, a poweroff
in user mode linux guest will halt the host linux system.It
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