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On 01.04.20 20:40, Eugenio Perez Martin wrote: > On Wed, Apr 1, 2020 at 9:19 AM Christian Borntraeger > <borntraeger at de.ibm.com> wrote: >> >> On 31.03.20 21:27, Eugenio P?rez wrote: >>> Vhost did not reset properly the batched descriptors on SET_VRING_BASE >>> event. Because of that, is possible to return an invalid descriptor to >>> the guest.

...esolved the functions using the system.map file. Has anyone saw this message before? Any ideas, clues, hints? Please CC me , because I am not on the list. -- Mit freundlichen Grüßen / Best Regards Christian Bornträger IBM Deutschland Entwicklung GmbH eServer SW System Evaluation + Test email: CBORNTRA@de.ibm.com Tel +49 7031-16-3507

...n); did you mean ?i?? 2634 | ret = id; | ^~ | i I changed that to i The last step then gave me (on commit 50297a8480b439efc5f3f23088cb2d90b799acef vhost: use batched version by default) net enc1: Unexpected TXQ (0) queue failure: -5 in the guest. bisect log so far: [cborntra at m83lp52 linux]$ git bisect log git bisect start # bad: [3131e79bb9e9892a5a6bd33513de9bc90b20e867] vhost: use vhost_desc instead of vhost_log git bisect bad 3131e79bb9e9892a5a6bd33513de9bc90b20e867 # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BLK_F_SCSI support git...

...n); did you mean ?i?? 2634 | ret = id; | ^~ | i I changed that to i The last step then gave me (on commit 50297a8480b439efc5f3f23088cb2d90b799acef vhost: use batched version by default) net enc1: Unexpected TXQ (0) queue failure: -5 in the guest. bisect log so far: [cborntra at m83lp52 linux]$ git bisect log git bisect start # bad: [3131e79bb9e9892a5a6bd33513de9bc90b20e867] vhost: use vhost_desc instead of vhost_log git bisect bad 3131e79bb9e9892a5a6bd33513de9bc90b20e867 # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BLK_F_SCSI support git...

...e not evaluated the performance of ext3 in comparison to other file systems, so it is just a statement about stability and reliability. Thanks for your help -- Mit freundlichen Grüßen / Best Regards Christian Bornträger IBM Deutschland Entwicklung GmbH eServer SW System Evaluation + Test email: CBORNTRA@de.ibm.com Tel +49 7031-16-3507

...f -urN klibc-0.115/utils/hotplug.c klibc-0.115-hotplug/utils/hotplug.c --- klibc-0.115/utils/hotplug.c 1970-01-01 01:00:00.000000000 +0100 +++ klibc-0.115-hotplug/utils/hotplug.c 2004-02-27 11:00:28.000000000 +0100 @@ -0,0 +1,80 @@ +/* + * Hotplug Multiplexer + * Author(s) Christian Borntraeger <cborntra@de.ibm.com> + */ + +#include <dirent.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#define HOTPLUGDIR "/etc/hotplug.d" +#define SUFFIX ".hotplug&quot...

...^~ > | i > > I changed that to i > > > The last step then gave me (on commit 50297a8480b439efc5f3f23088cb2d90b799acef vhost: use batched version by default) > net enc1: Unexpected TXQ (0) queue failure: -5 > in the guest. > > bisect log so far: > [cborntra at m83lp52 linux]$ git bisect log > git bisect start > # bad: [3131e79bb9e9892a5a6bd33513de9bc90b20e867] vhost: use vhost_desc instead of vhost_log > git bisect bad 3131e79bb9e9892a5a6bd33513de9bc90b20e867 > # good: [d1281e3a562ec6a08f944a876481dd043ba739b9] virtio-blk: remove VIRTIO_BL...

...>] Aug 9 17:57:41 boeaet34 kernel: 1da59d08 [ext3_delete_inode+242/356] Aug 9 17:57:41 boeaet34 kernel: > 1da59d08 [<00074aa2>] -- Mit freundlichen Grüßen / Best Regards Christian Bornträger IBM Deutschland Entwicklung GmbH eServer SW System Evaluation + Test email: CBORNTRA@de.ibm.com Tel +49 7031-16-3507

On 06.01.20 11:50, Michael S. Tsirkin wrote: > On Wed, Dec 18, 2019 at 04:59:02PM +0100, Christian Borntraeger wrote: >> On 18.12.19 16:10, Michael S. Tsirkin wrote: >>> On Wed, Dec 18, 2019 at 03:43:43PM +0100, Christian Borntraeger wrote: >>>> Michael, >>>> >>>> with >>>> commit db7286b100b503ef80612884453bed53d74c9a16

On 06.01.20 11:50, Michael S. Tsirkin wrote: > On Wed, Dec 18, 2019 at 04:59:02PM +0100, Christian Borntraeger wrote: >> On 18.12.19 16:10, Michael S. Tsirkin wrote: >>> On Wed, Dec 18, 2019 at 03:43:43PM +0100, Christian Borntraeger wrote: >>>> Michael, >>>> >>>> with >>>> commit db7286b100b503ef80612884453bed53d74c9a16

...gt; Hi Christian. Thank you very much for the hints. > > Could we add some debug traces? Something like the inline patch should give us some clues. attached. this time the guest crashed (and no guest moved message) -------------- next part -------------- [ 0.140906] Linux version 5.5.0+ (cborntra at m83lp52.lnxne.boe) (gcc version 9.2.1 20190827 (Red Hat 9.2.1-1) (GCC)) #18 SMP Tue Feb 11 10:51:14 CET 2020 [ 0.140908] setup: Linux is running natively in 64-bit mode [ 0.140950] setup: The maximum memory size is 131072MB [ 0.140955] setup: Reserving 1024MB of memory at 130048MB for c...

On Fri, Feb 07, 2020 at 08:47:14AM +0100, Christian Borntraeger wrote: > Also adding Cornelia. > > > On 06.02.20 23:17, Michael S. Tsirkin wrote: > > On Thu, Feb 06, 2020 at 04:12:21PM +0100, Christian Borntraeger wrote: > >> > >> > >> On 06.02.20 15:22, eperezma at redhat.com wrote: > >>> Hi Christian. > >>> > >>>

On Fri, Feb 07, 2020 at 08:47:14AM +0100, Christian Borntraeger wrote: > Also adding Cornelia. > > > On 06.02.20 23:17, Michael S. Tsirkin wrote: > > On Thu, Feb 06, 2020 at 04:12:21PM +0100, Christian Borntraeger wrote: > >> > >> > >> On 06.02.20 15:22, eperezma at redhat.com wrote: > >>> Hi Christian. > >>> > >>>