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Re: [Xen-devel] Re: Error while running the xm test suite: Cannot handle page request order 0!




Keir,

memory should not be the problem unless the memory requirements of those test domains have been increased considerably recently. Here's the upper part of 'xm dmesg':

 \ \/ /___ _ __   |___ /| || |     _   _ _ __  ___| |_ __ _| |__ | | ___
 \  // _ \ '_ \    |_ \| || |_ __| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
 /  \  __/ | | |  ___) |__   _|__| |_| | | | \__ \ || (_| | |_) | |  __/
/_/\_\___|_| |_| |____(_) |_|     \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
                                                                       
(XEN) Xen version 3.4-unstable (root@xxxxxxxxxxxxxx) (gcc version 4.3.0 20080428 (Red Hat 4.3.0-8) (GCC) ) Tue Sep 16 07:20:38 EDT 2008
(XEN) Latest ChangeSet: Mon Sep 15 17:10:43 2008 +0100 18482:087008dfb005
(XEN) Command line: dom0_mem=1G
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: none; EDID transfer time: 2 seconds
(XEN)  EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN)  Found 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009e000 (usable)
(XEN)  000000000009e000 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000f7fed380 (usable)
(XEN)  00000000f7fed380 - 00000000f7ff0000 (ACPI data)
(XEN)  00000000f7ff0000 - 00000000f8000000 (reserved)
(XEN)  00000000fec00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000108000000 (usable)
(XEN) System RAM: 4095MB (4193836kB)
(XEN) ACPI: RSDP 000FDFC0, 0014 (r0 IBM   )
(XEN) ACPI: RSDT F7FEFF80, 002C (r1 IBM    SERBLADE     1000 IBM  45444F43)
(XEN) ACPI: FACP F7FEFF00, 0074 (r1 IBM    SERBLADE     1000 IBM  45444F43)
(XEN) ACPI: DSDT F7FED380, 2A22 (r1 IBM    SERBLADE     1000 INTL  2002025)
(XEN) ACPI: FACS F7FEFE00, 0040
(XEN) ACPI: APIC F7FEFE40, 0092 (r1 IBM    SERBLADE     1000 IBM  45444F43)
(XEN) Xen heap: 9MB (9676kB)
(XEN) Domain heap initialised



The system has 4GB and domain0 gets 1GB.

   Stefan



xen-devel-bounces@xxxxxxxxxxxxxxxxxxx wrote on 09/16/2008 12:58:20 PM:

> Keir Fraser <keir.fraser@xxxxxxxxxxxxx>

> Sent by: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>

> 09/16/2008 12:58 PM
>
> To

>
> Stefan Berger/Watson/IBM@IBMUS, <xen-devel@xxxxxxxxxxxxxxxxxxx>

>
> cc

>
> Subject

>
> [Xen-devel] Re: Error while running the xm test suite: Cannot handle
> page request order 0!

>
> Not enough memory?
>
>  -- Keir
>
> On 16/9/08 17:33, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

>
> Hello!
>
>  It seems there is an error occurring in the hypervisor while
> running the xm-test suite on an i386 machine:
>
> [...]
> (XEN)  Init. ramdisk: c06cb000->c0c3e000
> (XEN)  Phys-Mach map: c0c3e000->c0d3e000
> (XEN)  Start info:    c0d3e000->c0d3e474
> (XEN)  Page tables:   c0d3f000->c0d4c000
> (XEN)  Boot stack:    c0d4c000->c0d4d000
> (XEN)  TOTAL:         c0000000->c1000000
> (XEN)  ENTRY ADDRESS: c0100000
> (XEN) Dom0 has maximum 4 VCPUs
> (XEN) Scrubbing Free RAM: .............................done.
> (XEN) Xen trace buffers: disabled
> (XEN) Std. Loglevel: Errors and warnings
> (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
> (XEN) Xen is relinquishing VGA console.
> (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch
> input to Xen)
> (XEN) Freed 100kB init memory.
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
> (XEN) Cannot handle page request order 0!
>
>
> The results from the test suite look like this on that machine:
>
> FAIL: 02_block_attach_file_device_pos.test
> FAIL: 11_create_concurrent_pos.test
> FAIL: 12_create_concurrent_stress_pos.test
> FAIL: 13_create_multinic_pos.test
> FAIL: 14_create_blockroot_pos.test
> FAIL: 15_create_smallmem_pos.test
> FAIL: 16_create_smallmem_neg.test
> FAIL: 01_destroy_basic_pos.test
> FAIL: 05_destroy_byid_pos.test
> FAIL: 07_destroy_stale_pos.test
> FAIL: 01_enforce_dom0_cpus_basic_pos.test
> FAIL: 05_help_nonroot_pos.test
> FAIL: 04_list_goodparm_pos.test
> FAIL: 06_list_nonroot.test
> FAIL: 01_memset_basic_pos.test
> FAIL: 03_memset_random_pos.test
> FAIL: 04_memset_smallmem_pos.test
> FAIL: 01_migrate_localhost_pos.test
> XFAIL: 02_network_local_ping_pos.test
> FAIL: 03_network_local_tcp_pos.test
> FAIL: 04_network_local_udp_pos.test
> XFAIL: 05_network_dom0_ping_pos.test
> FAIL: 06_network_dom0_tcp_pos.test
> FAIL: 07_network_dom0_udp_pos.test
> XFAIL: 11_network_domU_ping_pos.test
> FAIL: 12_network_domU_tcp_pos.test
> FAIL: 13_network_domU_udp_pos.test
> FAIL: 01_network_attach_pos.test
> FAIL: 02_network_attach_detach_pos.test
> FAIL: 03_network_attach_detach_multiple_pos.test
> FAIL: 01_pause_basic_pos.test
> FAIL: 02_pause_badopt_neg.test
> FAIL: 01_reboot_basic_pos.test
> FAIL: 02_reboot_badopt_neg.test
> FAIL: 01_restore_basic_pos.test
> FAIL: 04_restore_withdevices_pos.test
> FAIL: 01_save_basic_pos.test
> FAIL: 03_save_bogusfile_neg.test
> FAIL: 01_sched_credit_weight_cap_pos.test
> FAIL: 08_security-acm_xapi.test
> FAIL: 01_shutdown_basic_pos.test
> FAIL: 02_shutdown_badparm_neg.test
> FAIL: 02_sysrq_sync_pos.test
> FAIL: 03_sysrq_withreboot_pos.test
> FAIL: 01_unpause_basic_pos.test
> FAIL: 01_vcpu-disable_basic_pos.test
> FAIL: 01_vcpu-pin_basic_pos.test
> SKIP: 01_security-acm_basic.test
> SKIP: 02_security-acm_dom_start.test
> SKIP: 03_security-acm_dom_conflict.test
> SKIP: 04_security-acm_dom_res.test
> SKIP: 05_security-acm_dom_res_conf.test
> SKIP: 06_security-acm_dom_block_attach.test
> SKIP: 07_security-acm_pol_update.test
> SKIP: 09_security-acm_pol_update.test
> SKIP: 10_security-acm_pol_update.test
> SKIP: 01_vtpm-list_pos.test
> SKIP: 02_vtpm-cat_pcrs.test
> SKIP: 03_vtpm-susp_res.test
> SKIP: 04_vtpm-loc_migr.test
> SKIP: 05_vtpm-loc_migr.test
> SKIP: 06_vtpm-susp_res_pcrs.test
> SKIP: 07_vtpm-mig_pcrs.test
> SKIP: 08_vtpm-mig_pcrs.test
> SKIP: 09_vtpm-xapi.test
>
>
>   Stefan

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>
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