[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] gdbsx - xg_attach:Unable to pause domain:1; failed to attach to domain:1 errno:13
On Wed, 27 Aug 2014 03:02:54 +0000 Pete Delaney <pdelaney@xxxxxxxxxxxxxxx> wrote: > Hi Mukesh: > > > Hmm... I just tried and it worked for me, so things are ok it > > seems on latest xen/linux. The errno EPERM indicates something > > might not be properly setup. Are you able to run other xen > > commands like xl list, etc? I see you are running as root, are > > you running gdbsx on dom0? > > Gdbsx runs on dom0, which I believe is the same as running on the > host when it's booting for Xen support in the grub selection. On the > host the Xen commands are available as I showed in my initial email, > I used the "xl list" and "xl pause" commands: > > > root@piet-openxen:~# xl list > > Name ID Mem > > VCPUs State Time(s) > > Domain-0 0 14734 > > 12 r----- 8562.9 > > New_PV_Driver 1 1023 > > 4 -b---- 50.3 > > root@piet-openxen:~# > > > root@piet-openxen-blade:~# xl pause 1 > > > I was running as root on the host/dom0. Hmm... that all seems ok then. Can you check your permissions on : /proc/xen/privcmd Other possibilites: - do you have xsm enabled? - can you put a printk in xen file common/domctl.c: case XEN_DOMCTL_pausedomain: ret = -EINVAL; + printk(">>>>>>>>> Pause domain:%d current:%d\n", d->domain_id, + current->domain->domain_id); if ( d != current->domain ) ret = domain_pause_by_systemcontroller(d); break; if you don't see this printk then the problem is in dom0 linux, prob some permissions either on the privcmd file or somewhere in FS path. > Wondering if the host kernel has to be configured to support gdb > attaching with gdbsx. Nop, at this point you are just not able to establish connection with xen. gdb is not involved. -Mukesh _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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