From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Lieven Subject: Re: [Qemu-devel] Assertion after chaning display resolution Date: Tue, 24 Apr 2012 15:35:16 +0200 Message-ID: <4F96AC13.1040408@dlh.net> References: <4F96A98F.8020709@dlh.net> <20120424133359.GK7078@garlic.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: qemu-devel@nongnu.org, kvm@vger.kernel.org, Corentin Chary Return-path: Received: from ssl.dlh.net ([91.198.192.8]:38219 "EHLO ssl.dlh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754483Ab2DXNfR (ORCPT ); Tue, 24 Apr 2012 09:35:17 -0400 In-Reply-To: <20120424133359.GK7078@garlic.redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 24.04.2012 15:34, Alon Levy wrote: > On Tue, Apr 24, 2012 at 03:24:31PM +0200, Peter Lieven wrote: >> Hi all, >> >> I saw the following assert after chaning display resolution. This might be >> the cause, but i am not sure. Threaded VNC is enabled. >> Anyone ever seen this? >> >> qemu-kvm-1.0: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) >> (((char *)&((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct >> malloc_chunk, fd))))&& old_size == 0) || ((unsigned long) (old_size)>= >> (unsigned long)((((__builtin_offsetof (struct malloc_chunk, >> fd_nextsize))+((2 * (sizeof(size_t))) - 1))& ~((2 * (sizeof(size_t))) - >> 1)))&& ((old_top)->size& 0x1)&& ((unsigned long)old_end& pagemask) == >> 0)' failed. > A shot in the dark - does valgrind show anything wrong? Problem is i cannot reproduce this, but I can try running the VM in valgrind and check if there is any problem. Peter >> Thanks, >> Peter >> >>