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Adding xen-devel since this is an xl segfault. Please can you not send html mail. Plain text is just fine. On Fri, 2012-11-02 at 12:32 +0000, D K wrote:> Xen: Version 4.2.-testing from mercurialWhich version exactly ? There was a batch of backports recently which included some fixes to the ao infrastructure, including a fix for aoinprogress (which appears in your stack trace). So please can you try the most recent tip of 4.2-testing.> > > Guest: > > Config: http://pgb.game-host.org/xen/debian.cfg > > > Erroranalysis:> >> 1. Getting the vm started on PC1 with the following command works > fine: > > xl create debian.cfg > > 2. Remus does not: > > > xl remus <domid> 129.217.43.51Does normal migration work?> > Segmentation fault > > xc: error: read_exact_timed failed (select returned 0): Internal error > xc: error: Error reading QEMU signature (110 = Connection timed out): Internal error > xc: error: error buffering image tail, finishing: Internal error > > migration target: Remus Failover for domain 3It seems like there might be more than one issue here, the original failure and then a failure in the error path too. [...snip, I don''t thin k w needed the whole story, just the resulting stacktrace...] Is this backtrace from the sending or the receiving xl?> #0 0xb7e4bfea in malloc_consolidate (av=<value optimized out>) at malloc.c:5145 > #1 0xb7e4e21d in _int_malloc (av=<value optimized out>, bytes=<value optimized out>) at malloc.c:4373 > #2 0xb7e506f3 in *__GI___libc_malloc (bytes=1012) at malloc.c:3661 > #3 0xb7f9e011 in datacopier_readable (egc=0xbffff2bc, ev=0x806a92c, fd=21, events=1, revents=1) at libxl_aoutils.c:144 > #4 0xb7fa3072 in afterpoll_internal (egc=0xbffff2bc, poller=<value optimized out>, nfds=6, fds=0x806bb10, now=...) > at libxl_event.c:948 > #5 0xb7fa3e1b in eventloop_iteration (egc=<value optimized out>, poller=0x806a688) at libxl_event.c:1368 > #6 0xb7fa448f in libxl__ao_inprogress (ao=0x806a768, file=0xb7fb09cc "libxl.c", line=728, func=0xb7fb2c4f "libxl_domain_remus_start") at libxl_event.c:1614 > #7 0xb7f842bf in libxl_domain_remus_start (ctx=0x806a030, info=0xbffff3c4, domid=2, send_fd=10, recv_fd=11, ao_how=0x0) at libxl.c:728 > #8 0x0805045e in main_remus (argc=3, argv=0xbffff4f8) at xl_cmdimpl.c:6776 > #9 0x0804d2be in main (argc=4, argv=0xbffff4f4) at xl.c:267 >
Ian Campbell
2012-Nov-09 16:12 UTC
Re: [Xen-users] Remus: Xen 4.2.1 with Debian 6.0 does not work
Adding xen-devel since this is an xl segfault. Please can you not send html mail. Plain text is just fine. On Fri, 2012-11-02 at 12:32 +0000, D K wrote:> Xen: Version 4.2.-testing from mercurialWhich version exactly ? There was a batch of backports recently which included some fixes to the ao infrastructure, including a fix for aoinprogress (which appears in your stack trace). So please can you try the most recent tip of 4.2-testing.> > > Guest: > > Config: http://pgb.game-host.org/xen/debian.cfg > > > Erroranalysis:> >> 1. Getting the vm started on PC1 with the following command works > fine: > > xl create debian.cfg > > 2. Remus does not: > > > xl remus <domid> 129.217.43.51Does normal migration work?> > Segmentation fault > > xc: error: read_exact_timed failed (select returned 0): Internal error > xc: error: Error reading QEMU signature (110 = Connection timed out): Internal error > xc: error: error buffering image tail, finishing: Internal error > > migration target: Remus Failover for domain 3It seems like there might be more than one issue here, the original failure and then a failure in the error path too. [...snip, I don''t thin k w needed the whole story, just the resulting stacktrace...] Is this backtrace from the sending or the receiving xl?> #0 0xb7e4bfea in malloc_consolidate (av=<value optimized out>) at malloc.c:5145 > #1 0xb7e4e21d in _int_malloc (av=<value optimized out>, bytes=<value optimized out>) at malloc.c:4373 > #2 0xb7e506f3 in *__GI___libc_malloc (bytes=1012) at malloc.c:3661 > #3 0xb7f9e011 in datacopier_readable (egc=0xbffff2bc, ev=0x806a92c, fd=21, events=1, revents=1) at libxl_aoutils.c:144 > #4 0xb7fa3072 in afterpoll_internal (egc=0xbffff2bc, poller=<value optimized out>, nfds=6, fds=0x806bb10, now=...) > at libxl_event.c:948 > #5 0xb7fa3e1b in eventloop_iteration (egc=<value optimized out>, poller=0x806a688) at libxl_event.c:1368 > #6 0xb7fa448f in libxl__ao_inprogress (ao=0x806a768, file=0xb7fb09cc "libxl.c", line=728, func=0xb7fb2c4f "libxl_domain_remus_start") at libxl_event.c:1614 > #7 0xb7f842bf in libxl_domain_remus_start (ctx=0x806a030, info=0xbffff3c4, domid=2, send_fd=10, recv_fd=11, ao_how=0x0) at libxl.c:728 > #8 0x0805045e in main_remus (argc=3, argv=0xbffff4f8) at xl_cmdimpl.c:6776 > #9 0x0804d2be in main (argc=4, argv=0xbffff4f4) at xl.c:267 >