On 10/11/2016 06:47 PM, Paolo Bonzini wrote:
the free_sema->queue head, so set free_sema->holder as
>revelant coroutine.
NBD is using the CoMutex in a way that wasn't anticipated. The simplest
fix is to change it to CoQueue, which is like a condition variable.
Instead of locking if in_flight
On 11/10/2016 12:35, Changlong Xie wrote:
> For nbd client, if request number is large than MAX_NBD_REQUESTS(16), we
> will queue the rest requests into free_sema->queue.
> When nbd client receives one reply, it will unlock free_sema, then pop
> the free_sema->queue head, so set
Hi all
Recently during test COLO, i encounter some problems. Here is the backtrace
qemu-system-x86_64: util/qemu-coroutine-lock.c:148:
qemu_co_mutex_unlock: Assertion `mutex->holder == self' failed.
[New Thread 0x7fff0e7fc700 (LWP 20936)]
Program received signal SIGABRT, Aborted.
