Package: xen-utils-4.1
Version: 4.1.3-2
Severity: important
Dear Maintainer,
Creating a new HVM domU fails with the following error:
map shared IO page returned error 22
I've narrowed it down to qemu-dm which fails to start:
# /usr/lib/xen-4.1/bin/qemu-dm
[...]
qemu_map_cache_init nr_buckets = 10000 size 4194304
errno0 = 2
domid = -1
shared page at pfn 0
errno1 = 3
errno2 = 22
map shared IO page returned error 22
I added some errno debug then rebuilt and reinstalled the package using
apt-src, here is the diff:
diff --git a/qemu/hw/xen_machine_fv.c b/qemu/hw/xen_machine_fv.c
index a353ee6..fe7a914 100644
--- a/qemu/hw/xen_machine_fv.c
+++ b/qemu/hw/xen_machine_fv.c
@@ -297,10 +297,14 @@ static void xen_init_fv(ram_addr_t ram_size, int
vga_ram_size,
#ifdef CONFIG_STUBDOM /* the hvmop is not supported on older hypervisors */
xc_set_hvm_param(xc_handle, domid, HVM_PARAM_DM_DOMAIN, DOMID_SELF);
#endif
+ fprintf(logfile, "errno0 = %d\n", errno);
+ fprintf(logfile, "domid = %d\n", domid);
xc_get_hvm_param(xc_handle, domid, HVM_PARAM_IOREQ_PFN, &ioreq_pfn);
fprintf(logfile, "shared page at pfn %lx\n", ioreq_pfn);
+ fprintf(logfile, "errno1 = %d\n", errno);
shared_page = xc_map_foreign_range(xc_handle, domid, XC_PAGE_SIZE,
PROT_READ|PROT_WRITE, ioreq_pfn);
+ fprintf(logfile, "errno2 = %d\n", errno);
if (shared_page == NULL) {
fprintf(logfile, "map shared IO page returned error %d\n", errno);
exit(-1);
It seems the root issue is ioreq_pfn which is zero but I'm not sure where to go
from here.
-- System Information:
Debian Release: wheezy/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-3-amd64 (SMP w/8 CPU cores)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/dash
Versions of packages xen-utils-4.1 depends on:
ii e2fslibs 1.42.5-1
ii libc6 2.13-35
ii libgnutls26 2.12.20-1
ii libncurses5 5.9-10
ii libpci3 1:3.1.9-5
ii libtinfo5 5.9-10
ii libuuid1 2.20.1-5.2
ii libxen-4.1 4.1.3-2
ii libxenstore3.0 4.1.3-2
ii python 2.7.3~rc2-1
ii python2.7 2.7.3~rc2-2.1
ii xen-utils-common 4.1.3-2
ii zlib1g 1:1.2.7.dfsg-13
Versions of packages xen-utils-4.1 recommends:
ii bridge-utils 1.5-4
ii qemu-keymaps 1.1.2+dfsg-2
ii qemu-utils 1.1.2+dfsg-2
ii xen-hypervisor-4.1-amd64 [xen-hypervisor-4.1] 4.1.3-2
Versions of packages xen-utils-4.1 suggests:
ii xen-docs-4.1 4.1.3-2
-- no debconf information
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