http://bugzilla.novell.com/show_bug.cgi?id=547137 User vogt@itwm.fraunhofer.de added comment http://bugzilla.novell.com/show_bug.cgi?id=547137#c1 Summary: kernel oops in rpc /nfs Classification: openSUSE Product: openSUSE 11.1 Version: Final Platform: x86-64 OS/Version: openSUSE 11.1 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel AssignedTo: bnc-team-screening@forge.provo.novell.com ReportedBy: vogt@itwm.fraunhofer.de QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.12) Gecko/2009071200 SUSE/3.0.12-0.1.2 Firefox/3.0.12 Mnenhy/0.7.6.666 Hello, today we had a fileserver crash, which leads to a system doing this: (this dmesg comes from a system which mounted the nfs export) nfs: server pid5131@lts025:/m not responding, still trying nfs: server nfs OK nfs: server nfs OK nfs: server pid5131@lts025:/m OK nfs: server pid5131@lts025:/m OK BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffffa023a0b4>] rpcauth_lookup_credcache+0xb9/0x1f3 [sunrpc] PGD 43cc16067 PUD 430c46067 PMD 0 Oops: 0000 [1] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 1 Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc af_packet cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_c pufreq microcode fuse loop iTCO_wdt iTCO_vendor_support bnx2 dcdbas(X) rtc_cmos shpchp i5000_edac rtc_core serio_raw pcspkr butto n sg rtc_lib edac_core pci_hotplug kvm(N) mptctl linear uhci_hcd ehci_hcd usbcore sd_mod crc_t10dif dm_snapshot edd dm_mod ext3 m bcache jbd fan thermal processor thermal_sys hwmon mptsas mptscsih mptbase scsi_transport_sas scsi_mod Supported: No Pid: 1460, comm: firefox Tainted: G 2.6.27.23-0.1-default #1 RIP: 0010:[<ffffffffa023a0b4>] [<ffffffffa023a0b4>] rpcauth_lookup_credcache+0xb9/0x1f3 [sunrpc] RSP: 0018:ffff8803d95a5a08 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88043acc9480 RCX: 6000000000000000 RDX: 0000000000000000 RSI: ffff88043acc9480 RDI: ffff8803d95a5a78 RBP: 0000000000000000 R08: ffff88043c8c3e00 R09: 000000000000152d R10: 0000000000000006 R11: ffffffff803319e8 R12: ffffffffa0261f20 R13: 0000000000000000 R14: ffffffffa0261fa0 R15: ffff8803d95a5a78 FS: 00007f96eaf14700(0000) GS:ffff88043e4f49c0(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000043c9cf000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process firefox (pid: 1460, threadinfo ffff8803d95a4000, task ffff88038c940540) Stack: ffffffff80a27000 0000000080a31600 ffffffffa0260df0 ffffffffa0261f20 ffff8803d95a5a28 ffff8803d95a5a28 ffff88038c940540 ffffffffa0260df0 0000000000000000 ffff8803d95a5b58 ffff8804395d3c58 00000000ffffff9c Call Trace: [<ffffffffa0239f20>] rpcauth_lookupcred+0x7c/0xa3 [sunrpc] [<ffffffffa0239fe3>] rpcauth_bindcred+0x9c/0xb4 [sunrpc] [<ffffffffa02385c5>] rpc_init_task+0x10f/0x159 [sunrpc] [<ffffffffa0238649>] rpc_new_task+0x3a/0x63 [sunrpc] [<ffffffffa0233426>] rpc_run_task+0xe/0x57 [sunrpc] [<ffffffffa0233556>] rpc_call_sync+0x3d/0x5a [sunrpc] [<ffffffffa0289277>] nfs_proc_getattr+0x60/0x84 [nfs] [<ffffffffa0282644>] __nfs_revalidate_inode+0xfc/0x232 [nfs] [<ffffffffa0280084>] nfs_permission+0x125/0x13c [nfs] [<ffffffff802b8af1>] __inode_permission+0x7c/0xca [<ffffffff802b8b57>] path_permission+0x18/0x32 [<ffffffff802ba371>] __link_path_walk+0x12c/0xd68 [<ffffffff802bb178>] path_walk+0x5e/0xb9 [<ffffffff802bb335>] do_path_lookup+0x162/0x1b9 [<ffffffff802bbccf>] user_path_at+0x48/0x79 [<ffffffff802dbd56>] sys_inotify_add_watch+0x74/0x178 [<ffffffff8020bfbb>] system_call_fastpath+0x16/0x1b [<00007f96e9f3c797>] 0x7f96e9f3c797 Maybe this oops is ok, but it would be better if the kernel can handle the situation. regards, Martin Reproducible: Didn't try Steps to Reproduce: 1.not to reproduce, but at least not eas to reproduce 2. 3. Actual Results: oops Expected Results: no oops :) -- 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.