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Re: [Xen-devel] refcount errors then crash on XenoLinux with the latest source

Date: Mon, 23 Feb 2004 13:36:29 -0800 (PST)

Delivery-date: Mon, 23 Feb 2004 21:37:08 +0000

List-id: List for Xen developers <xen-devel.lists.sourceforge.net>

After a few more minutes the following popped out on the console: CPU: 1 EIP: 0808:[<fc532927>] EFLAGS: 00010206 eax: 0a725012 ebx: 00000010 ecx: fc657560 edx: fc76a460 esi: fc76a460 edi: fc657540 ebp: 00000000 esp: fc64fda0 ds: 0810 es: 0810 fs: 0810 gs: 0810 ss: 0810 Stack trace from ESP=fc64fda0: ff865012 0000000a [fc5095ef] fc780140 0000003c fc657540 fc657540 [fc53240a] fc657540 fc657400 [fc509664] 0000000a [fc509299] fc648040 00000040 0000003e fc657400 fc780140 00000040 fc76a740 04000001 fc657540 00005048 [fc531ef0] fc657540 00000046 [fc509664] 0000000a 30303030 74203130 00000046 fc76a740 04000001 fc64fe90 00000010 [fc5b1a7d] 00000010 fc657400 fc64fe90 3d6e6670 33303030 63203462 00000001 fc76a740 fc600200 00000010 fc64fe90 [fc5b1c43] 00000010 fc64fe90 fc76a740 0007fff0 000003b4 25c4fe2d 00000001 0007fff0 0007fff0 00000000 00000000 [fc5af4c0] 0007fff0 fd800000 00000001 0007fff0 00000000 00000000 00000040 00010810 00000810 00000810 fc500810 ffffff10 [fc50cff5] 00000808 00000202 fc654d4d 0000004d fc64ff6c [fc518078] 0000004d 00000000 fc64ff6c [fc518046] 0036bfec 00000000 00000292 fc654d00 02000001 fc64ff6c 00000004 [fc5b1a7d] 00000004 00000000 fc64ff6c [fc5af0aa] fc650200 00000086 00000001 fc654d00 fc5fff00 00000004 fc64ff6c [fc5b1c43] 00000004 fc64ff6c fc654d00 [fc50465b] 35c9c161 50d04d38 00000001 00000040 fc648040 00000040 fc7b8080 [fc5af4c0] 00000040 00000028 00000040 fc648040 00000040 fc7b8080 00000040 fc640810 fc640810 00000810 fc7b0810 ffffff04 [fc5b585c] 00000808 00000246 [fc5b5898] fc648040 004c4b40 ffffffff 61007372 69745f63 5f72656d 74666f73 5f717269 69746361 64006e6f 5f706d75 656d6974 62007172 636f6c72 00632e6b 736e6f63 2e656c6f 65640063 2e677562 65640063 fc648040 **************************************** CPU1 FATAL PAGE FAULT [error_code=00000000] Faulting linear address might be 0a725012 Aieee! CPU1 is toast... **************************************** Is this oops from Xen or from XenoLinux? I downloaded the latest ksymoops and did the following: kmacy@xentap ./ksymoops -v ../xenolinux-2.4.25/vmlinux -m ../xenolinux-2.4.25/System.map < ../xeno-unstable.bk.home/tools/xc/lib/crash1.txt ksymoops 2.4.9 on i686 2.4.25-xeno. Options used -v ../xenolinux-2.4.25/vmlinux (specified) -k /proc/ksyms (default) -l /proc/modules (default) -o /lib/modules/2.4.25-xeno/ (default) -m ../xenolinux-2.4.25/System.map (specified) No modules in ksyms, skipping objects Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file? Warning (compare_maps): mismatch on symbol state d, System.map says c0175ca8, vmlinux says 0. Ignoring System.map entry Warning (compare_maps): mismatch on symbol state a, vmlinux says 0, System.map says c0175ca8. Ignoring System.map entry CPU: 1 EIP: 0808:[<fc532927>] Using defaults from ksymoopsSegmentation fault -Kip On Mon, 23 Feb 2004, Kip Macy wrote: > I had just tested my domain builder for the nth time on xeno-unstable > (very latest source), when I saw the messages below on the console. > DOM0 no longer responds to ping - I'm hoping that it will recover, > however, in all likelihood I will be hitting the rpb in a few minutes. > > audit_all_pages > zombie: pfn=00000000 cf=fffffffd tf=fffffffd dom=00000000 > refcount error: pfn=000000 cf=fffffffd refcount=1 > audit page: pfn=0 info: cf=fffffffd tf=fffffffd ts=0 dom=0 > > refcount error: pfn=000247 cf=00000001 refcount=0 > audit page: pfn=247 info: cf=1 tf=f0000001 ts=0 dom=fc648040 > > refcount error: pfn=00024d cf=00000001 refcount=0 > audit page: pfn=24d info: cf=1 tf=f0000001 ts=0 dom=fc648040 > > refcount error: pfn=00036f cf=40000002 refcount=1 > audit page: pfn=36f info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0 > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0 > pte_idx=3f9 *pte_idx=0036f063 > > refcount error: pfn=000371 cf=40000002 refcount=1 > audit page: pfn=371 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0 > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0 > pte_idx=3fe *pte_idx=00371063 > > refcount error: pfn=000372 cf=40000002 refcount=1 > audit page: pfn=372 info: cf=40000002 tf=f0000002 ts=0 dom=fc648be0 > pte_pfn=002207 cf=10000026 tf=30000024 dom=fc648be0 > pte_idx=3fd *pte_idx=00372063 > > refcount error: pfn=000390 cf=00000001 refcount=0 > audit page: pfn=390 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780 > > refcount error: pfn=000392 cf=00000001 refcount=0 > audit page: pfn=392 info: cf=1 tf=f0000001 ts=4ddca dom=fc649780 > > refcount error: pfn=000393 cf=00000001 refcount=0 > audit page: pfn=393 info: cf=1 tf=f0000001 ts=4ae4c dom=fc64a320 > > refcount error: pfn=000395 cf=00000001 refcount=0 > audit page: pfn=395 info: cf=1 tf=f0000001 ts=0 dom=fc64a320 > > refcount error: pfn=00039f cf=00000001 refcount=0 > audit page: pfn=39f info: cf=1 tf=f0000001 ts=0 dom=fc64aec0 > > refcount error: pfn=0003a1 cf=00000001 refcount=0 > audit page: pfn=3a1 info: cf=1 tf=f0000001 ts=0 dom=fc64aec0 > > refcount error: pfn=0003a2 cf=00000001 refcount=0 > audit page: pfn=3a2 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060 > > refcount error: pfn=0003a8 cf=00000001 refcount=0 > audit page: pfn=3a8 info: cf=1 tf=f0000001 ts=0 dom=fc7a4060 > > refcount error: pfn=0003a9 cf=00000001 refcount=0 > audit page: pfn=3a9 info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00 > > refcount error: pfn=0003ab cf=00000001 refcount=0 > audit page: pfn=3ab info: cf=1 tf=f0000001 ts=0 dom=fc7a4c00 > > refcount error: pfn=0003ac cf=00000001 refcount=0 > audit page: pfn=3ac info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0 > > refcount error: pfn=0003ae cf=00000001 refcount=0 > audit page: pfn=3ae info: cf=1 tf=f0000001 ts=191ab3 dom=fc7a57a0 > > refcount error: pfn=0003af cf=00000001 refcount=0 > audit page: pfn=3af info: cf=1 tf=f0000001 ts=191ab2 dom=fc7a6340 > > refcount error: pfn=0003b1 cf=00000001 refcount=0 > audit page: pfn=3b1 info: cf=1 tf=f0000001 ts=0 dom=fc7a6340 > > refcount error: pfn=0003b2 cf=00000001 refcount=0 > audit page: pfn=3b2 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0 > > refcount error: pfn=0003b4 cf=00000001 refcount=0 > audit page: pfn=3b4 info: cf=1 tf=f0000001 ts=0 dom=fc7a6ee0 > > > > > > > ------------------------------------------------------- > SF.Net is sponsored by: Speed Start Your Linux Apps Now. > Build and deploy apps & Web services for Linux with > a free DVD software kit from IBM. 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