2009/6/30 Steven Pratt <slpr...@austin.ibm.com>: > Chris Mason wrote: >> >> On Fri, Jun 26, 2009 at 09:26:59PM -0500, Steven Pratt wrote: >> >>> >>> Chris Mason wrote: >>> >>>> >>>> On Fri, Jun 26, 2009 at 09:28:51AM -0500, Steven Pratt wrote: >>>> >>>>> >>>>> Upgraded the btrfs tree to 6-17 and all of the stability problems went >>>>> away on the single disk system, so not sure if this was a code problem >>>>> or >>>>> hardware, but at least stable now. >>>>> Performance results updated at: >>>>> http://btrfs.boxacle.net/repository/single-disk/History/History.html >>>>> >>>>> The fixed to the cow path are obvious for random write, although even >>>>> on single disk the CPU overhead is very noticeable as the efficiency >>>>> graphs >>>>> show. >>>>> >>>>> The good news is that now the only workload that Btrfs is not at or >>>>> near the top in performance for single disk is MailServer. >>>>> >>>> >>>> Thanks Steve, glad to hear the stability problems are gone. >>>> >>>> >>> >>> Well, maybe I spoke too soon. :-( Run with this patch died in similar >>> way to before. My remote service console is not responding, so will >>> probably be Monday before I can get to the lab to restart manually. >>> >>> >>> I am getting messages like: >>> >>> Lots of these timeout messages, then eventually >>> >>> 18:40:32 btrfs2 kernel: [ 4459.870613] sd 0:0:1:0: [sdb] Unhandled error >>> code >>> Jun 26 18:40:32 btrfs2 kernel: [ 4459.870640] sd 0:0:1:0: [sdb] Result: >>> hostbyte=DID_ABORT driverbyte=DRIVER_OK >>> Jun 26 18:40:32 btrfs2 kernel: [ 4459.870646] end_request: I/O error, >>> dev sdb, sector 103359232 >>> >>> So still not sure if this is HW, but no other FS has triggered it. >>> >>> >> >> I'm afraid Btrfs can't do this on its own. It needs to HW, scsi >> drivers or HW or scsi drivdes ;) >> >> You could try dd if=/dev/sdb of=/dev/zero bs=512 count=1 skip=103359232 >> > > Well, dd write of entire drive shows no errors. Ran btrfs tests again and > go this, no disk or scsi errors reported this time. > > > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] kernel BUG at > fs/btrfs/extent-tree.c:3865! > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] invalid opcode: 0000 [#1] SMP > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] last sysfs file: > /sys/devices/system/cpu/cpu15/cache/index1/shared_cpu_map > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] CPU 8 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] Modules linked in: oprofile > btrfs zlib_deflate autofs4 nfs lockd nfs_acl auth_rpcgss sunrpc dm_multipath > sbs sbshc ba > ttery ac parport_pc lp parport sg joydev serio_raw acpi_memhotplug rtc_cmos > rtc_core rtc_lib button tg3 libphy i2c_piix4 i2c_core pcspkr dm_snapshot > dm_zero dm_mir > ror dm_region_hash dm_log dm_mod lpfc scsi_transport_fc aic94xx libsas > libata scsi_transport_sas sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd > ehci_hcd [last unloaded > : microcode] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] Pid: 21731, comm: > btrfs-endio-wri Not tainted 2.6.30-rc7-autokern1 #1 IBM x3950-[88726RU]- > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] RIP: 0010:[<ffffffffa0346ce4>] > [<ffffffffa0346ce4>] alloc_reserved_file_extent+0x8d/0x1c3 [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] RSP: 0018:ffff88013e10bb60 > EFLAGS: 00010282 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] RAX: 00000000ffffffef RBX: > ffff88006fbde000 RCX: 0000000000000002 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] RDX: 0000000000000001 RSI: > 0000000000000000 RDI: ffff8801020ac5b0 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] RBP: ffff88013e10bbd0 R08: > ffff88013e10b9d8 R09: ffff88013e10b9d0 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] R10: 0000000000000004 R11: > ffff8801020ac5b0 R12: 000000000000001d > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] R13: ffff88012e1e7910 R14: > 0000000000000000 R15: 0000000000000000 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] FS: 0000000000000000(0000) > GS:ffff88002bac0000(0000) knlGS:0000000000000000 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] CS: 0010 DS: 0018 ES: 0018 > CR0: 000000008005003b > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] CR2: 00007fffdac2efb0 CR3: > 0000000138cc9000 CR4: 00000000000006e0 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] DR3: 0000000000000000 DR6: > 00000000ffff0ff0 DR7: 0000000000000400 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] Process btrfs-endio-wri (pid: > 21731, threadinfo ffff88013e10a000, task ffff880138d117b0) > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] Stack: > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] 0000000000000000 > 00000000000011d5 0000000000000005 0000000000000000 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] ffff88005fcb0800 > ffff88011a47f860 000000b2844a5030 000000000000008c > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] 000000352e1e7910 > ffff8800be095540 ffff8800be095740 0000000000000001 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] Call Trace: > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa034b198>] > run_one_delayed_ref+0x382/0x42f [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa036abbd>] ? > map_extent_buffer+0xab/0xbe [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa034bf75>] > run_clustered_refs+0x237/0x2b4 [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa037ef71>] ? > btrfs_find_ref_cluster+0xdc/0x115 [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa034c09e>] > btrfs_run_delayed_refs+0xac/0x195 [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa035486e>] > __btrfs_end_transaction+0x59/0xfe [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa035492e>] > btrfs_end_transaction+0xb/0xd [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa035a18b>] > btrfs_finish_ordered_io+0x224/0x24d [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa035a1c4>] > btrfs_writepage_end_io_hook+0x10/0x12 [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa036d585>] > end_bio_extent_writepage+0xa3/0x18f [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffff8024276e>] ? > del_timer_sync+0x14/0x20 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffff802cbbee>] > bio_endio+0x26/0x28 > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa03515d6>] > end_workqueue_fn+0x111/0x11e [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa0374fe1>] > worker_loop+0x67/0x1ee [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffffa0374f7a>] ? > worker_loop+0x0/0x1ee [btrfs] > Jun 29 15:55:34 btrfs2 kernel: [ 8214.725011] [<ffffffff8024c324>] > kthread+0x56/0x86 > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] [<ffffffff8020c9fa>] > child_rip+0xa/0x20 > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] [<ffffffff8024c2ce>] ? > kthread+0x0/0x86 > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] [<ffffffff8020c9f0>] ? > child_rip+0x0/0x20 > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] Code: 08 4c 8d 45 d4 41 8d 44 > 24 18 48 8b 73 20 48 8b 4d 18 41 b9 01 00 00 00 48 8b 7d b8 4c 89 ea 89 45 > d4 e8 df e3 > ff ff 85 c0 74 04 <0f> 0b eb fe 49 63 75 40 4d 8b 65 00 49 83 cf 01 4c 89 e7 > 48 6b > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] RIP [<ffffffffa0346ce4>] > alloc_reserved_file_extent+0x8d/0x1c3 [btrfs] > Jun 29 15:55:35 btrfs2 kernel: [ 8214.725011] RSP <ffff88013e10bb60> > Jun 29 15:55:35 btrfs2 kernel: [ 8215.101864] ---[ end trace > 2a2583ccd67ef43b ]--- >
Is there any "parent transid verify failed on xxx wanted xxx found" like message in the log ? Thank you, Yan Zheng -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
