http://bugzilla.novell.com/show_bug.cgi?id=626128 http://bugzilla.novell.com/show_bug.cgi?id=626128#c0 Summary: BUG: unable to handle kernel paging request with ramzswap Classification: openSUSE Product: openSUSE 11.2 Version: Final Platform: x86-64 OS/Version: openSUSE 11.2 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: novell-web@zmi.at QAContact: qa@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.7) Gecko/20100714 SUSE/3.6.7-1.1 Firefox/3.6.7 ZarafaCheck/1.1.1.20080624.110 This is a XEN VM running on XenServer 5.5, it obviously crashed with ramzswap. Probably useful to report to the author of ramzswap. [420013.072002] BUG: unable to handle kernel paging request at ffffffff25243a00 [420013.072021] IP: [<ffffffff800422f4>] update_curr+0x134/0x1e0 [420013.072040] PGD 4067 PUD 0 [420013.072050] Oops: 0000 [#1] SMP [420013.072056] last sysfs file: /sys/devices/xen/vif-1/modalias [420013.072061] CPU 2 [420013.072064] Modules linked in: ipt_REJECT ipt_LOG xt_multiport xt_tcpudp ipt_ECN iptable_mangle xt_state iptable_filter ip_tables nf_conntrack_slp nf_conntrack_sip nf_conntrack_netbios_ns nf_conntrack_proto_udplite nf_conntrack_proto_dccp nf_conntrack_irc nf_conntrack_ftp nf_conntrack_tftp nf_conntrack_netlink nfnetlink nf_conntrack_sane ts_kmp nf_conntrack_amanda nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_h323 xt_conntrack x_tables nf_conntrack_proto_sctp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 bluetooth rfkill nfs lockd fscache nfs_acl auth_rpcgss sunrpc ipv6 af_packet ramzswap xvmalloc lzo_decompress lzo_compress fuse loop dm_mod xenblk cdrom xennet ext4 jbd2 crc16 xfs exportfs reiserfs [420013.072157] Pid: 18392, comm: pdflush Not tainted 2.6.31.12-0.2-xen #1 [420013.072162] RIP: e030:[<ffffffff800422f4>] [<ffffffff800422f4>] update_curr+0x134/0x1e0 [420013.072170] RSP: e02b:ffffc90000023d28 EFLAGS: 00010086 [420013.072174] RAX: 000000000000ccf8 RBX: ffff880054fd6878 RCX: fffffffff4958118 [420013.072178] RDX: ffff88005702f0c0 RSI: ffff880054fd6840 RDI: ffffc9000002a3e0 [420013.072182] RBP: ffffc90000023d58 R08: 0000000000001f86 R09: 000000000000000f [420013.072186] R10: fffffffffff42400 R11: 0000000000000003 R12: ffffc9000002a3e0 [420013.072190] R13: 00000000003c6f66 R14: 00017dffe9f4afb0 R15: ffffc90000025020 [420013.072198] FS: 00007fa78bf786f0(0000) GS:ffffc90000020000(0000) knlGS:0000000000000000 [420013.072203] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [420013.072207] CR2: ffffffff25243a00 CR3: 000000001a45e000 CR4: 0000000000000660 [420013.072211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [420013.072216] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [420013.072220] Process pdflush (pid: 18392, threadinfo ffff88003b564000, task ffff880054fd6840) [420013.072224] Stack: [420013.072227] ffffc90000023d68 00000000f4958118 ffff880054fd6878 ffffc9000002a3e0 [420013.072234] <0> 000000000000a380 ffff880054fd6840 ffffc90000023d88 ffffffff800423ef [420013.072243] <0> ffffc9000002a380 00000000f4958118 ffffc9000002a380 0000000000000002 [420013.072254] Call Trace: [420013.072272] [<ffffffff800423ef>] task_tick_fair+0x4f/0x100 [420013.072279] [<ffffffff8004295e>] scheduler_tick+0x11e/0x1b0 [420013.072287] [<ffffffff80010575>] timer_interrupt+0x355/0x510 [420013.072297] [<ffffffff800accf4>] handle_IRQ_event+0x84/0x1c0 [420013.072305] [<ffffffff800af4d0>] handle_percpu_irq+0x50/0xa0 [420013.072313] [<ffffffff8000ec7c>] handle_irq+0x2c/0x50 [420013.072323] [<ffffffff802fc07f>] evtchn_do_upcall+0x15f/0x250 [420013.072332] [<ffffffff8000ceee>] do_hypervisor_callback+0x1e/0x30 [420013.072343] [<ffffffffa01f8108>] _lzo1x_1_do_compress+0x108/0x470 [lzo_compress] [420013.072354] [<ffffffffa01f84a9>] lzo1x_1_compress+0x39/0x12c [lzo_compress] [420013.072363] [<ffffffffa0205974>] ramzswap_write+0x114/0x410 [ramzswap] [420013.072373] [<ffffffffa0205f10>] ramzswap_make_request+0x110/0x134 [ramzswap] [420013.072383] [<ffffffff802224db>] generic_make_request+0x19b/0x4c0 [420013.072391] [<ffffffff8022287d>] submit_bio+0x7d/0x110 [420013.072399] [<ffffffff80107901>] swap_writepage+0xb1/0x120 [420013.072407] [<ffffffff800e3603>] pageout+0x143/0x2b0 [420013.072414] [<ffffffff800e514e>] shrink_page_list+0x26e/0x650 [420013.072421] [<ffffffff800e5803>] shrink_inactive_list+0x2d3/0x7c0 [420013.072427] [<ffffffff800e5d4b>] shrink_list+0x5b/0x110 [420013.072433] [<ffffffff800e5f71>] shrink_zone+0x171/0x250 [420013.072439] [<ffffffff800e60d3>] shrink_zones+0x83/0x120 [420013.072445] [<ffffffff800e620e>] do_try_to_free_pages+0x9e/0x380 [420013.072452] [<ffffffff800e6607>] try_to_free_pages+0x77/0xa0 [420013.072459] [<ffffffff800dbfa3>] __alloc_pages_slowpath+0x2d3/0x5c0 Reproducible: Didn't try Steps to Reproduce: 1. 2. 3. Such crashes happen sometimes, about 1-2 times a month, but we use it on about 20-30 VMs so it's not a PITA, but still something that needs a fix. -- Configure bugmail: http://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.