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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] xen 4.0.2rc3/kernel 2.6.32.36: BUG: unable to handle kernel paging request
On Fri, Apr 15, 2011 at 11:21:40AM -0300, Gerd Jakobovitsch wrote: > Reporting a new bug that appeared during stress tests. The scenario is > the same as reported below, with patches applied: > Hello, Can you clarify which exact kernel version/changeset you used for this test? Does your kernel include the latest bugfix (from 3 days ago)? http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=commit;h=ae333e97552c81ab10395ad1ffc6d6daaadb144a changelog: http://git.kernel.org/?p=linux/kernel/git/jeremy/xen.git;a=shortlog;h=xen/stable-2.6.32.x -- Pasi > On 04/14/2011 10:15 AM, Konrad Rzeszutek Wilk wrote: >> On Wed, Apr 13, 2011 at 06:02:13PM -0300, Gerd Jakobovitsch wrote: >>> I'm trying to run several VMs (linux hvm, with tapdisk:aio disks at >>> a storage over nfs) on a CentOS system, using the up-to-date version >>> of xen 4.0 / kernel pvops 2.6.32.x stable. With a configuration >>> without (most of) debug activated, I can start several instances - >>> I'm running 7 of them - but shortly afterwards the system stops >>> responding. I can't find any information on this. >> First time I see it. >>> Activating several debug configuration items, among them >>> DEBUG_PAGEALLOC, I get an exception as soon as I try to start up a >>> VM. The system reboots. >>> > With the debug information still set, I'm running 42 VMs - mixed Linux > (several distros) and Windows, most of them running benchmarks for CPU > and disk usage. After roughly 15 hours, a bug message appeared at dmesg. > It affected xm commands - it seems to be related to a specific VM - but > xl commands still work. VMs are running. > > # xm list > Error: (5, 'Input/output error, while reading > /local/domain/33/console/vnc-port') > Usage: xm list [options] [Domain, ...] > > After killing the VM that reported error, xm commands are working again. > > The BUG message at dmesg: > > [66007.135552] BUG: unable to handle kernel paging request at > ffff8800004ca458 > [66007.135567] IP: [<ffffffff8100d4ae>] xen_set_pte+0x3e/0x4b > [66007.135580] PGD 1002067 PUD 1006067 PMD 2d78067 PTE 100000004ca025 > [66007.135675] Oops: 0003 [#1] SMP DEBUG_PAGEALLOC > [66007.135686] last sysfs file: > /sys/class/net/virtbr/bridge/topology_change_detected > [66007.135693] CPU 4 > [66007.135698] Modules linked in: arptable_filter arp_tables bridge stp > bonding bnx2i libiscsi scsi_transport_iscsi cnic uio bnx2 megaraid_sas > [66007.135729] Pid: 683, comm: pageattr-test Not tainted 2.6.32.36 #7 > PowerEdge M610 > [66007.135735] RIP: e030:[<ffffffff8100d4ae>] [<ffffffff8100d4ae>] > xen_set_pte+0x3e/0x4b > [66007.135746] RSP: e02b:ffff88007c8edbb0 EFLAGS: 00010202 > [66007.135751] RAX: 0000000000e32cb6 RBX: 0000000000e32cb6 RCX: > 0000000000000001 > [66007.135757] RDX: 0000000000000000 RSI: 8010000800569267 RDI: > ffff8800004ca458 > [66007.135764] RBP: ffff88007c8edbd0 R08: 0000000000000001 R09: > 0000000000000000 > [66007.135770] R10: ffffffff818385f8 R11: ffffffff818385e0 R12: > 8010000800569267 > [66007.135776] R13: ffff8800004ca458 R14: 8010000416569067 R15: > 8010000800569267 > [66007.135786] FS: 00007f0eeede66e0(0000) GS:ffff88002813f000(0000) > knlGS:0000000000000000 > [66007.135792] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b > [66007.135797] CR2: ffff8800004ca458 CR3: 000000007b663000 CR4: > 0000000000002660 > [66007.135804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [66007.135810] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [66007.135816] Process pageattr-test (pid: 683, threadinfo > ffff88007c8ec000, task ffff88007e4ce480) > [66007.135822] Stack: > [66007.135825] 0000000000000000 8010000004569067 0000000000004569 > ffff88007c8edd20 > [66007.135835] <0> ffff88007c8edbe0 ffffffff81034740 ffff88007c8edbf0 > ffffffff8103474d > [66007.135848] <0> ffff88007c8edcf0 ffffffff81034e77 000000017c8edc40 > ffffffff818385e0 > [66007.135860] Call Trace: > [66007.135868] [<ffffffff81034740>] set_pte+0x17/0x1b > [66007.135875] [<ffffffff8103474d>] set_pte_atomic+0x9/0xb > [66007.135882] [<ffffffff81034e77>] __change_page_attr_set_clr+0x186/0x82d > [66007.135936] [<ffffffff8124f4a0>] ? _raw_spin_unlock+0xab/0xb1 > [66007.135951] [<ffffffff8157641f>] ? _spin_unlock+0x26/0x2a > [66007.135961] [<ffffffff810e587d>] ? vm_unmap_aliases+0x151/0x160 > [66007.135969] [<ffffffff81035695>] change_page_attr_set_clr+0x177/0x360 > [66007.135976] [<ffffffff8103597a>] change_page_attr_set+0x27/0x29 > [66007.135983] [<ffffffff810348e2>] ? pte_flags+0x9/0x18 > [66007.135990] [<ffffffff81035c01>] do_pageattr_test+0x285/0x4b1 > [66007.135998] [<ffffffff8103597c>] ? do_pageattr_test+0x0/0x4b1 > [66007.136097] [<ffffffff8106a9c3>] kthread+0x69/0x71 > [66007.136105] [<ffffffff81013daa>] child_rip+0xa/0x20 > [66007.136112] [<ffffffff81012ee6>] ? int_ret_from_sys_call+0x7/0x1b > [66007.136119] [<ffffffff81013726>] ? retint_restore_args+0x5/0x6 > [66007.136127] [<ffffffff81013da0>] ? child_rip+0x0/0x20 > [66007.136131] Code: e8 3c ff ff ff ff 05 b6 5c 94 00 e8 31 ff ff ff 8b > 1d b3 5c 94 00 e8 a2 23 02 00 ff c8 0f 94 c0 0f b6 c0 01 d8 89 05 9e 5c > 94 00 <4d> 89 65 00 41 59 5b 41 5c 41 5d c9 c3 55 48 89 e5 53 89 fb 48 > [66007.136273] RIP [<ffffffff8100d4ae>] xen_set_pte+0x3e/0x4b > [66007.136281] RSP <ffff88007c8edbb0> > [66007.136285] CR2: ffff8800004ca458 > [66007.136574] ---[ end trace 4e200a271895cc90 ]--- > > Attached errors registered in xm dmesg and xend.log. > [2011-04-15 05:32:06 4415] ERROR (xmlrpclib2:181) Internal error handling > xend.domain > Traceback (most recent call last): > File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line 134, > in _marshaled_dispatch > response = self._dispatch(method, params) > File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch > return func(*params) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 58, in domain > info = lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 50, in lookup > info = XendDomain.instance().domain_lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 543, > in domain_lookup > self._refresh(refresh_shutdown = False) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 417, > in _refresh > self._refreshTxn(txn, refresh_shutdown) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 430, > in _refreshTxn > self.domains[domid].update(dom, refresh_shutdown, transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 3523, in update > self._update_consoles(transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1656, in _update_consoles > vnc_port = self.readDomTxn(transaction, 'console/vnc-port') > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1720, in readDomTxn > return transaction.read(*paths) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 72, in read > return self._read(args[0]) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 59, in _read > '%s, while reading %s' % (ex.args[1], path)) > RuntimeError: (5, 'Input/output error, while reading > /local/domain/33/console/vnc-port') > [2011-04-15 05:32:12 4415] ERROR (xmlrpclib2:181) Internal error handling > xend.domain > Traceback (most recent call last): > File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line 134, > in _marshaled_dispatch > response = self._dispatch(method, params) > File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch > return func(*params) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 58, in domain > info = lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 50, in lookup > info = XendDomain.instance().domain_lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 543, > in domain_lookup > self._refresh(refresh_shutdown = False) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 417, > in _refresh > self._refreshTxn(txn, refresh_shutdown) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 430, > in _refreshTxn > self.domains[domid].update(dom, refresh_shutdown, transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 3523, in update > self._update_consoles(transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1656, in _update_consoles > vnc_port = self.readDomTxn(transaction, 'console/vnc-port') > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1720, in readDomTxn > return transaction.read(*paths) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 72, in read > return self._read(args[0]) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 59, in _read > '%s, while reading %s' % (ex.args[1], path)) > RuntimeError: (5, 'Input/output error, while reading > /local/domain/33/console/vnc-port') > [2011-04-15 05:32:17 4415] ERROR (xmlrpclib2:181) Internal error handling > xend.domain > Traceback (most recent call last): > File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line 134, > in _marshaled_dispatch > response = self._dispatch(method, params) > File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch > return func(*params) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 58, in domain > info = lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/server/XMLRPCServer.py", > line 50, in lookup > info = XendDomain.instance().domain_lookup(domid) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 543, > in domain_lookup > self._refresh(refresh_shutdown = False) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 417, > in _refresh > self._refreshTxn(txn, refresh_shutdown) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line 430, > in _refreshTxn > self.domains[domid].update(dom, refresh_shutdown, transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 3523, in update > self._update_consoles(transaction) > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1656, in _update_consoles > vnc_port = self.readDomTxn(transaction, 'console/vnc-port') > File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line > 1720, in readDomTxn > return transaction.read(*paths) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 72, in read > return self._read(args[0]) > File "/usr/lib64/python2.4/site-packages/xen/xend/xenstore/xstransact.py", > line 59, in _read > '%s, while reading %s' % (ex.args[1], path)) > > (XEN) HVM43: Booting from 0000:7c00 > (XEN) HVM44: Press F12 for boot menu. > (XEN) HVM44: > (XEN) HVM44: Booting from Hard Disk... > (XEN) HVM44: Booting from 0000:7c00 > (XEN) HVM44: int13_harddisk: function 42. LBA out of range > (XEN) stdvga.c:151:d43 leaving stdvga > (XEN) stdvga.c:147:d43 entering stdvga and caching modes > (XEN) irq.c:243: Dom43 PCI link 0 changed 5 -> 0 > (XEN) irq.c:243: Dom43 PCI link 1 changed 10 -> 0 > (XEN) irq.c:243: Dom43 PCI link 2 changed 11 -> 0 > (XEN) irq.c:243: Dom43 PCI link 3 changed 5 -> 0 > (XEN) stdvga.c:151:d43 leaving stdvga > (XEN) stdvga.c:151:d42 leaving stdvga > (XEN) mm.c:3617:d0 PTE entry 81244b for address ffff88007caa0000 doesn't > match frame 621c4b > (XEN) mm.c:3617:d0 PTE entry 812bed for address ffff88007caa1000 doesn't > match frame 6217ed > (XEN) mm.c:3617:d0 PTE entry 812426 for address ffff88007caa2000 doesn't > match frame 621c26 > (XEN) mm.c:3617:d0 PTE entry 812590 for address ffff88007caa3000 doesn't > match frame 621d90 > (XEN) mm.c:3617:d0 PTE entry 812591 for address ffff88007caa4000 doesn't > match frame 621d91 > (XEN) mm.c:3617:d0 PTE entry 812492 for address ffff88007caa5000 doesn't > match frame 621c92 > (XEN) mm.c:3617:d0 PTE entry 812493 for address ffff88007caa6000 doesn't > match frame 621c93 > (XEN) mm.c:3617:d0 PTE entry 8124ca for address ffff88007caa7000 doesn't > match frame 621cca > (XEN) mm.c:3617:d0 PTE entry 8124cb for address ffff88007caa8000 doesn't > match frame 621ccb > (XEN) mm.c:3617:d0 PTE entry 80e8b0 for address ffff88007caa9000 doesn't > match frame 6258b0 > (XEN) mm.c:3617:d0 PTE entry 80e8b1 for address ffff88007caaa000 doesn't > match frame 6258b1 > (XEN) mm.c:3617:d0 PTE entry 803fe2 for address ffff88007caab000 doesn't > match frame 5cfde2 > (XEN) mm.c:3617:d0 PTE entry 80b3fd for address ffff88007ca99000 doesn't > match frame 46b1fd > (XEN) mm.c:3617:d0 PTE entry 80b3fe for address ffff88007ca9a000 doesn't > match frame 46b1fe > (XEN) mm.c:3617:d0 PTE entry 80ac10 for address ffff88007ca9b000 doesn't > match frame 46b610 > (XEN) mm.c:3617:d0 PTE entry 80c01e for address ffff88007ca9c000 doesn't > match frame 46a21e > (XEN) mm.c:3617:d0 PTE entry 80ab16 for address ffff88007ca9d000 doesn't > match frame 46b916 > (XEN) mm.c:3617:d0 PTE entry 80b0f6 for address ffff88007ca9e000 doesn't > match frame 46b2f6 > (XEN) mm.c:3617:d0 PTE entry 809c8c for address ffff88007ca9f000 doesn't > match frame 46c68c > (XEN) mm.c:3617:d0 PTE entry 8017e0 for address ffff88007cb9f000 doesn't > match frame 5b19e0 > (XEN) mm.c:3617:d0 PTE entry 8017e1 for address ffff88007cba0000 doesn't > match frame 5b19e1 > (XEN) mm.c:3617:d0 PTE entry 801fc4 for address ffff88007cba1000 doesn't > match frame 5b11c4 > (XEN) mm.c:3617:d0 PTE entry 801fc5 for address ffff88007cba2000 doesn't > match frame 5b11c5 > (XEN) mm.c:3617:d0 PTE entry 801f2a for address ffff88007cba3000 doesn't > match frame 5b112a > (XEN) mm.c:3617:d0 PTE entry 801f2b for address ffff88007cba4000 doesn't > match frame 5b112b > (XEN) mm.c:3617:d0 PTE entry 801ee8 for address ffff88007cba5000 doesn't > match frame 5b10e8 > (XEN) mm.c:3617:d0 PTE entry 801ee9 for address ffff88007cba6000 doesn't > match frame 5b10e9 > (XEN) mm.c:3617:d0 PTE entry 803fde for address ffff88007cba7000 doesn't > match frame 5af1de > (XEN) mm.c:3617:d0 PTE entry 8120ec for address ffff88007cb9e000 doesn't > match frame 9660ec > (XEN) mm.c:3617:d0 PTE entry 8120ed for address ffff88007cb9f000 doesn't > match frame 9660ed > (XEN) mm.c:3617:d0 PTE entry 810e0a for address ffff88007cba0000 doesn't > match frame 96720a > (XEN) mm.c:3617:d0 PTE entry 810e0b for address ffff88007cba1000 doesn't > match frame 96720b > (XEN) mm.c:3617:d0 PTE entry 81080e for address ffff88007cba2000 doesn't > match frame 96780e > (XEN) mm.c:3617:d0 PTE entry 81080f for address ffff88007cba3000 doesn't > match frame 96780f > (XEN) mm.c:3617:d0 PTE entry 80ef3e for address ffff88007cba4000 doesn't > match frame 96933e > (XEN) mm.c:3617:d0 PTE entry 802fd7 for address ffff88007c433000 doesn't > match frame 2111d7 > (XEN) mm.c:3617:d0 PTE entry 805131 for address ffff88007c434000 doesn't > match frame 20ef31 > (XEN) mm.c:3617:d0 PTE entry 80c1ea for address ffff88007c435000 doesn't > match frame 207fea > (XEN) mm.c:3617:d0 PTE entry 814ae9 for address ffff88007c9b0000 doesn't > match frame 8866e9 > (XEN) mm.c:3617:d0 PTE entry 8113b9 for address ffff88007ca20000 doesn't > match frame 9277b9 > (XEN) mm.c:3617:d0 PTE entry 808ab2 for address ffff88007ca21000 doesn't > match frame 92feb2 > (XEN) mm.c:3617:d0 PTE entry 803bb3 for address ffff88007ca22000 doesn't > match frame 934fb3 > (XEN) mm.c:3617:d0 PTE entry 814747 for address ffff88007ca23000 doesn't > match frame 924347 > (XEN) mm.c:3617:d0 PTE entry 819873 for address ffff88007ca24000 doesn't > match frame 91f073 > (XEN) mm.c:3617:d0 PTE entry 80302c for address ffff88007ca25000 doesn't > match frame 93582c > (XEN) mm.c:3617:d0 PTE entry 81b75c for address ffff88007ca26000 doesn't > match frame 91d35c > (XEN) mm.c:3617:d0 PTE entry c5fd0b for address ffff88007ca86000 doesn't > match frame 95830b > (XEN) mm.c:3617:d0 PTE entry 81a093 for address ffff88007ca87000 doesn't > match frame 9bde93 > (XEN) mm.c:3617:d0 PTE entry 815f11 for address ffff88007ca88000 doesn't > match frame 942111 > (XEN) mm.c:3617:d0 PTE entry 815bc5 for address ffff88007ca89000 doesn't > match frame 9425c5 > (XEN) mm.c:3617:d0 PTE entry 816875 for address ffff88007cb9b000 doesn't > match frame 59c675 > (XEN) mm.c:3617:d0 PTE entry 8158a8 for address ffff88007cb9c000 doesn't > match frame 59d6a8 > (XEN) mm.c:3617:d0 PTE entry 82fa1c for address ffff88007c926000 doesn't > match frame 5e321c > (XEN) mm.c:3617:d0 PTE entry 82655e for address ffff88007c927000 doesn't > match frame 5ec95e > (XEN) mm.c:3617:d0 PTE entry c5ce72 for address ffff88007c926000 doesn't > match frame 95b072 > (XEN) mm.c:3617:d0 PTE entry c5cea9 for address ffff88007c927000 doesn't > match frame 95b0a9 > (XEN) mm.c:2399:d0 Bad type (saw 1c00000000000002 != exp 7000000000000000) > for mfn 800569 (pfn 4569) > (XEN) mm.c:878:d0 Error getting mfn 800569 (pfn 4569) from L1 entry > 8010000800569267 for l1e_owner=0, pg_owner=0 > (XEN) mm.c:4664:d0 ptwr_emulate: could not get_page_from_l1e() > (XEN) mm.c:3617:d0 PTE entry 80e284 for address ffff88007ca89000 doesn't > match frame 468084 > (XEN) mm.c:3617:d0 PTE entry 817918 for address ffff88007ca8a000 doesn't > match frame 47f118 > (XEN) common.c:3722:d0 tracking VRAM f0000 - f0160 > (XEN) common.c:3722:d0 tracking VRAM f0000 - f0160 > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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