On Sun, Oct 11, 2009 at 12:35:25AM +0300, Pasi Kärkkäinen wrote: > On Fri, Oct 09, 2009 at 01:06:53PM +0300, Pasi Kärkkäinen wrote: > > Hello, > > > > Gerd: The earlier qemu mem leak patch should be dropped, and these > > fixes applied instead. > > > > Or well, to xen-3.4.1-6, since -5 was already built with other fixes. > Actually it seems there are still memleak issues with these patches, so better wait a while until the issue is properly fixed.. -- Pasi > > > These patches are committed to qemu-xen-unstable, and can also be found from > > xen-devel archives: > > > > "[Xen-devel] [PATCH 0 of 12] backport critical fixes from qemu upstream": > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00155.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00156.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00157.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00158.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00159.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00160.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00161.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00162.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00163.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00164.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00165.html > > http://lists.xensource.com/archives/html/xen-devel/2009-10/msg00166.html > > > > -- Pasi > > > > ----- Forwarded message from Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> ----- > > > > From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> > > To: xen-devel@xxxxxxxxxxxxxxxxxxx > > Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> > > Date: Mon, 5 Oct 2009 14:40:35 +0100 > > Subject: [Xen-devel] [PATCH 0 of 12] backport critical fixes from qemu > > upstream > > > > Hi all, > > the current qemu block layer contains few critical problems, one of them > > was fixed by "fix qemu memory leak in block interface" but unfortunately > > others remain. > > In particular every time the guest cancels a dma request qemu > > segfaults. > > In order to completely fix any remaining bug I suggest to revert the > > previous fix "fix qemu memory leak in block interface" and backport > > instead the following changesets from qemu upstream: > > > > 6bbff9a0b495918309074ac60375be5f9dc868b3 # Refactor aio callback allocation to use an aiocb pool (Avi Kivity) > > c07a9008ac6985cd5a15909c2b9977d982defc12 # Convert vectored aio emulation to use a dedicated pool (Avi Kivity) > > 6512a2a7106480c19183d6466a6845bc9bdf6ec0 # Implement cancellation method for dma async I/O (Avi Kivity) > > 3fb94d56c6adc96ffc4a81b58c752cc4ccfae39c # Use vectored aiocb storage to store vector translation state (Avi Kivity) > > 37b7842c2fb405c270efdce714425c17af3c78cd # Move block dma helpers aiocb to store dma state (Avi Kivity) > > c240b9af599d20e06a58090366be682684bd8555 # Fix vectored aio bounce handling immediate errors (Avi Kivity) > > 7403b14eeb4670d54497284b110ca3e3be4a99a4 # Fix DMA API when handling an immediate error from block layer (Avi Kivity) > > 081501daceca74d2091e798d5dcd342c14d66d1a # check for bs->drv in bdrv_flush (Christoph Hellwig) > > fbb7b4e0804d2168f24142eebf7552adde1968dc # Improve block range checks > > 6a7ad2998ca47711eddd191caa1a95f14459793f # Call qemu_bh_delete at bdrv_aio_bh_cb. > > 36afc451599175eb8f03f1962de74e7f7a8af4db # block: Clean up after deleting BHs > > > > The same should be done to qemu-xen-3.4-testing as well. > > Cheers, > > > > Stefano > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen-devel > > > > ----- End forwarded message ----- > > > > -- > > Fedora-xen mailing list > > Fedora-xen@xxxxxxxxxx > > https://www.redhat.com/mailman/listinfo/fedora-xen > > -- > Fedora-xen mailing list > Fedora-xen@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/fedora-xen -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen
