On 2010-11-09 16:41, Tigran Mkrtchyan wrote: > > > pnfs-all-2.6.37-rc1-2010-11-03 from Banny's tree (git > 6a1df873544d146fcdc493034b170879985909e8) > I am not sure that this is NFS code issue, but anyway. With NFS IO > minutes machine becomes unresponcive. > This prevents us to update our cluster with latest code base. > > Tigran. > > [ 293.145013] general protection fault: 0000 [#1] SMP > [ 293.145017] last sysfs file: > /sys/devices/pci0000:00/0000:00:0d.0/resource > [ 293.145019] CPU 0 > [ 293.145021] Modules linked in: ipv6 af_packet binfmt_misc dm_mirror > dm_multipath scsi_dh video output thermal sbs sbshc pci_slot fan > container battery lp sg option usb_wwan ac usbserial button thermal_sys > parport_pc serio_raw parport tpm_tis tpm tpm_bios e1000 i2c_piix4 > pata_mpiix dm_region_hash dm_log dm_mod [last unloaded: mperf] > [ 293.145042] > [ 293.145045] Pid: 1953, comm: sadc Not tainted 2.6.37-rc1.pnfs.1 #1 > /VirtualBox > [ 293.145047] RIP: 0010:[<ffffffff811a2cfa>] [<ffffffff811a2cfa>] > strnlen+0xa/0x30 > [ 293.145054] RSP: 0018:ffff88002d4cfcd0 EFLAGS: 00010297 > [ 293.145056] RAX: ffffffff814d5cfa RBX: ffffffffffffffff RCX: > ffffffffffffffff > [ 293.145058] RDX: fffffffffffffffe RSI: ffffffffffffffff RDI: > 9a81ffffffff814d > [ 293.145060] RBP: 9a81ffffffff814d R08: 0000000000000000 R09: > ffffffff8165c4a8 > [ 293.145062] R10: 00007f73dd7243fb R11: 0000000000000246 R12: > 0000000000000000 > [ 293.145064] R13: ffff88002d47d000 R14: ffff88002d47c000 R15: > 00000000ffffffff > [ 293.145071] FS: 00007f73dd70b6e0(0000) GS:ffff88003fc00000(0000) > knlGS:0000000000000000 > [ 293.145074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 293.145076] CR2: 00007f73dd724000 CR3: 000000002d4a6000 CR4: > 00000000000006f0 > [ 293.145083] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 293.145085] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > [ 293.145088] Process sadc (pid: 1953, threadinfo ffff88002d4ce000, > task ffff88003d5a51f0) > [ 293.145091] Stack: > [ 293.145093] ffffffff811a46bc ffff88002d41e840 ffffffff814d98f9 > 0000000000000002 > [ 293.145096] ffff88002d47c000 ffff88002d4cfd78 ffff88002d47d000 > ffffffff814d98fb > [ 293.145100] ffffffff811a5488 0000000000001000 ffff88002d47c000 > ffffffffff0a0004 > [ 293.145104] Call Trace: > [ 293.145107] [<ffffffff811a46bc>] ? string+0x4c/0x100 > [ 293.145110] [<ffffffff811a5488>] ? vsnprintf+0x218/0x560 > [ 293.145114] [<ffffffff810efac7>] ? seq_printf+0x67/0xa0 > [ 293.145118] [<ffffffff81043d32>] ? get_online_cpus+0x22/0x50 > [ 293.145121] [<ffffffff81043d82>] ? put_online_cpus+0x22/0x70 > [ 293.145125] [<ffffffff810ac71f>] ? vmstat_start+0x7f/0xa0 > [ 293.145128] [<ffffffff810abeb3>] ? vmstat_show+0x23/0x30 > [ 293.145130] [<ffffffff810eff2f>] ? seq_read+0xaf/0x3a0 > [ 293.145134] [<ffffffff8111e223>] ? proc_reg_read+0x73/0xb0 > [ 293.145138] [<ffffffff810d43ed>] ? vfs_read+0xcd/0x170 > [ 293.145141] [<ffffffff810d4633>] ? sys_read+0x53/0x90 > [ 293.145144] [<ffffffff81002c6b>] ? system_call_fastpath+0x16/0x1b > [ 293.145146] Code: 01 e8 38 10 74 0b 48 83 e8 01 48 39 c5 76 f3 31 c0 > 5b 5d c3 66 0f 1f 44 00 00 0f 1f 80 00 00 00 00 48 8d 56 ff 48 83 fa ff > 74 21 <80> 3f 00 74 1c 48 89 f8 eb 05 80 38 00 74 0e 48 83 ea 01 48 83 > [ 293.145171] RIP [<ffffffff811a2cfa>] strnlen+0xa/0x30 > [ 293.145174] RSP <ffff88002d4cfcd0> > [ 293.145177] ---[ end trace 63b42edd98a8dea9 ]--- > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html I guess that ff8b16d vmstat: fix offset calculation on void* could fix this problem. It's currently in Linus's master branch and he hasn't released 2.6.37-rc2 yet. Can you please try to reproduce the problem you saw with this patch? Benny -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
