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From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
	kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH v2 0/9] qemu-kvm: Clean up and enhance MSI irqchip support
Date: Wed, 27 Apr 2011 12:34:13 +0300	[thread overview]
Message-ID: <4DB7E315.6030004@redhat.com> (raw)
In-Reply-To: <cover.1303823975.git.jan.kiszka@siemens.com>

On 04/26/2011 04:19 PM, Jan Kiszka wrote:
> I've still plans to consolidate MSI-X mask notifiers and KVM hooks, but
> that can wait until we go upstream.
>
> This version still makes classic MSI usable in irqchip mode, now not
> only for PCI devices (AHCI, HDA) but also for the HPET (with msi=on).
> Moreover, it contains an additional patch to refresh the MSI IRQ routes
> after vmload.
>

Immediately after migration:

Program terminated with signal 11, Segmentation fault.
#0  le32_to_cpupu (vector=0, kmm=0x0, dev=<value optimized out>) at 
../bswap.h:178
178        return p1[0] | (p1[1] << 8) | (p1[2] << 16) | (p1[3] << 24);
Missing separate debuginfos, use: debuginfo-install 
SDL-1.2.14-10.fc14.x86_64 cyrus-sasl-lib-2.1.23-12.fc14.x86_64 
cyrus-sasl-plain-2.1.23-12.fc14.x86_64 db4-4.8.30-2.fc14.x86_64 
glibc-2.13-1.x86_64 gnutls-2.8.6-2.fc14.x86_64 
keyutils-libs-1.2-6.fc12.x86_64 krb5-libs-1.8.2-9.fc14.x86_64 
libX11-1.3.4-4.fc14.x86_64 libXau-1.0.6-1.fc14.x86_64 
libaio-0.3.109-2.fc13.x86_64 libcom_err-1.41.12-6.fc14.x86_64 
libcurl-7.21.0-6.fc14.x86_64 libgcc-4.5.1-4.fc14.x86_64 
libgcrypt-1.4.5-4.fc13.x86_64 libgpg-error-1.9-1.fc14.x86_64 
libidn-1.18-1.fc14.x86_64 libpng-1.2.44-1.fc14.x86_64 
libselinux-2.0.96-6.fc14.1.x86_64 libssh2-1.2.4-1.fc14.x86_64 
libtasn1-2.7-1.fc14.x86_64 libxcb-1.7-1.fc14.x86_64 
ncurses-libs-5.7-9.20100703.fc14.x86_64 nspr-4.8.7-1.fc14.x86_64 
nss-3.12.9-9.fc14.x86_64 nss-softokn-freebl-3.12.9-5.fc14.x86_64 
nss-util-3.12.9-1.fc14.x86_64 openldap-2.4.23-4.fc14.x86_64 
openssl-1.0.0d-1.fc14.x86_64 zlib-1.2.5-2.fc14.x86_64
(gdb) bt
#0  le32_to_cpupu (vector=0, kmm=0x0, dev=<value optimized out>) at 
../bswap.h:178
#1  pci_get_long (vector=0, kmm=0x0, dev=<value optimized out>) at 
/build/home/tlv/akivity/qemu-kvm/hw/pci.h:326
#2  kvm_msi_message_from_vector (vector=0, kmm=0x0, dev=<value optimized 
out>) at /build/home/tlv/akivity/qemu-kvm/hw/msi.c:120
#3  0x000000000057d59c in kvm_msi_update (dev=0x23eabb0) at 
/build/home/tlv/akivity/qemu-kvm/hw/msi.c:152
#4  0x000000000041e29b in get_pci_config_device (f=0x2466380, 
pv=0x23eac28, size=256) at /build/home/tlv/akivity/qemu-kvm/hw/pci.c:346
#5  0x000000000049c36c in vmstate_load_state (f=0x2466380, 
vmsd=0x5fb880, opaque=0x23eabb0, version_id=2) at savevm.c:1374
#6  0x000000000049c323 in vmstate_load_state (f=0x2466380, 
vmsd=0x6f07c0, opaque=0x23eabb0, version_id=3) at savevm.c:1372
#7  0x000000000049cf84 in vmstate_load (f=0x2466380) at savevm.c:1450
#8  qemu_loadvm_state (f=0x2466380) at savevm.c:1817
#9  0x0000000000493e69 in process_incoming_migration (f=<value optimized 
out>) at migration.c:66
#10 0x0000000000494b97 in tcp_accept_incoming_migration (opaque=<value 
optimized out>) at migration-tcp.c:163
#11 0x00000000004a3fa7 in qemu_iohandler_poll (readfds=0x7fff56dc0430, 
writefds=0x7fff56dc03b0, xfds=<value optimized out>,
     ret=<value optimized out>) at iohandler.c:120
#12 0x000000000041944a in main_loop_wait (nonblocking=<value optimized 
out>) at /build/home/tlv/akivity/qemu-kvm/vl.c:1336
#13 0x0000000000433a97 in kvm_main_loop () at 
/build/home/tlv/akivity/qemu-kvm/qemu-kvm.c:1588
#14 0x000000000041a3a6 in main_loop (argc=<value optimized out>, 
argv=<value optimized out>, envp=<value optimized out>)
     at /build/home/tlv/akivity/qemu-kvm/vl.c:1369
#15 main (argc=<value optimized out>, argv=<value optimized out>, 
envp=<value optimized out>) at /build/home/tlv/akivity/qemu-kvm/vl.c:3257

(gdb) fr
#3  0x000000000057d59c in kvm_msi_update (dev=0x23eabb0) at 
/build/home/tlv/akivity/qemu-kvm/hw/msi.c:152
(gdb) p dev.msi_irq_entries
$10 = (struct KVMMsiMessage *) 0x0

dev points to the i440fx chipset device.

-- 
error compiling committee.c: too many arguments to function


  parent reply	other threads:[~2011-04-27  9:34 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-26 13:19 [PATCH v2 0/9] qemu-kvm: Clean up and enhance MSI irqchip support Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 1/9] qemu-kvm: Drop unneeded kvm_irq_routing_entry declaration Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 2/9] qemu-kvm: Rename kvm_msix_message to KVMMsiMessage Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 3/9] qemu-kvm: Refactor MSI core API of KVM Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 4/9] qemu-kvm: Fix and clean up msix vector use/unuse hooks Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 5/9] qemu-kvm: Move gsi bits from kvm_msix_vector_add to kvm_msi_add_message Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 6/9] qemu-kvm: Move entry comparison into kvm_msi_update_message Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 7/9] qemu-kvm: Add in-kernel irqchip support for MSI Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 8/9] qemu-kvm: Refresh MSI settings after vmload Jan Kiszka
2011-04-26 13:19 ` [PATCH v2 9/9] qemu-kvm: hpet: Add MSI support for in-kernel irqchip mode Jan Kiszka
2011-04-26 13:30   ` Michael Tokarev
2011-04-26 13:55     ` Jan Kiszka
2011-04-26 13:56       ` Avi Kivity
2011-04-26 13:58         ` Jan Kiszka
2011-04-26 14:01   ` [PATCH v3 " Jan Kiszka
2011-04-26 16:06     ` Christoph Hellwig
2011-04-26 17:06       ` Jan Kiszka
2011-04-26 17:09         ` Christoph Hellwig
2011-04-27  7:27 ` [PATCH v2 0/9] qemu-kvm: Clean up and enhance MSI irqchip support Avi Kivity
2011-04-27  9:00   ` Jan Kiszka
2011-04-27  9:04     ` Avi Kivity
2011-04-27  9:06       ` Jan Kiszka
2011-04-27  9:14         ` Avi Kivity
2011-04-27 11:21           ` Jan Kiszka
2011-04-27 12:12             ` Avi Kivity
2011-04-27 13:31               ` Jan Kiszka
2011-04-27 13:39                 ` Avi Kivity
2011-04-27 13:54                   ` Jan Kiszka
2011-04-27 14:01                     ` Avi Kivity
2011-04-27 14:11                       ` Michael S. Tsirkin
2011-04-27 14:02                     ` Michael S. Tsirkin
2011-04-27 14:10                       ` Jan Kiszka
2011-04-27 14:14                         ` Michael S. Tsirkin
2011-04-27 14:21                           ` Jan Kiszka
2011-04-27 13:49                 ` Michael S. Tsirkin
2011-04-27  9:34 ` Avi Kivity [this message]
2011-04-27 11:39   ` [PATCH v2 8/9] qemu-kvm: Refresh MSI settings after vmload Jan Kiszka
2011-04-27 12:19     ` Avi Kivity
2011-04-27 14:16     ` Michael S. Tsirkin
2011-04-27 14:28       ` Jan Kiszka
2011-04-27 14:30         ` Michael S. Tsirkin
2011-04-27 14:39           ` Jan Kiszka
2011-04-27 15:09             ` Michael S. Tsirkin
2011-04-27 15:21               ` Jan Kiszka
2011-04-27 16:02                 ` Michael S. Tsirkin
2011-04-27 16:20                   ` Jan Kiszka
2011-04-27 16:26                     ` Michael S. Tsirkin

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