[LU-7602] Repeated timeouts with ZFS 0.6.5.2

• Type: Bug
• Resolution: Duplicate
• Priority: Blocker
• Affects Version/s: Lustre 2.8.0
• Environment: Hyperion/SWL -
• Severity: 3
• Assignee: Jian Yu
• Reporter: Cliff White (Inactive)

Description

This bug created to track activity from http://review.whamcloud.com/17712
LU-7602 zfs: reset ZFS baseline to 0.6.4.2

ZFS 0.6.5.2 is known to introduce I/O problems
Typical timeout - slightly different from the stack traces in the Gerrit ticket

Dec 23 11:47:33 iws2 kernel: LNet: Service thread pid 30734 was inactive for 200.00s. The thread might be hung, or it might only be slow and will resume later. Dumping the stack trace for debugging purposes:
Dec 23 11:47:33 iws2 kernel: Pid: 30734, comm: ll_ost00_000
Dec 23 11:47:33 iws2 kernel:
Dec 23 11:47:33 iws2 kernel: Call Trace:
Dec 23 11:47:33 iws2 kernel: [<ffffffffa06cb330>] ? vdev_mirror_child_done+0x0/0x30 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffff815395d3>] io_schedule+0x73/0xc0
Dec 23 11:47:33 iws2 kernel: [<ffffffffa05a3eaf>] cv_wait_common+0xaf/0x130 [spl]
Dec 23 11:47:33 iws2 kernel: [<ffffffff810a1460>] ? autoremove_wake_function+0x0/0x40
Dec 23 11:47:33 iws2 kernel: [<ffffffffa05a3f48>] __cv_wait_io+0x18/0x20 [spl]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa070c29b>] zio_wait+0x10b/0x1e0 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa06638a9>] dbuf_read+0x439/0x850 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa066c168>] dmu_buf_hold+0x68/0x90 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa0661fa8>] ? dbuf_rele_and_unlock+0x268/0x390 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa06d5e0a>] zap_lockdir+0x5a/0x770 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa06d797a>] zap_lookup_norm+0x4a/0x190 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa06d7b53>] zap_lookup+0x33/0x40 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa067bbe6>] dmu_tx_hold_zap+0x146/0x210 [zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa107b3b5>] osd_declare_object_create+0x2d5/0x440 [osd_zfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa11bba24>] ofd_precreate_objects+0x4e4/0x19d0 [ofd]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa04bc6c1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa11c8bdb>] ? ofd_grant_create+0x23b/0x3e0 [ofd]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa11ab83e>] ofd_create_hdl+0x56e/0x2640 [ofd]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa0bbefe0>] ? lustre_pack_reply_v2+0x220/0x280 [ptlrpc]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa0c294cc>] tgt_request_handle+0x8ec/0x1470 [ptlrpc]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa0bd0b41>] ptlrpc_main+0xe41/0x1910 [ptlrpc]
Dec 23 11:47:33 iws2 kernel: [<ffffffffa0bcfd00>] ? ptlrpc_main+0x0/0x1910 [ptlrpc]
Dec 23 11:47:33 iws2 kernel: [<ffffffff810a0fce>] kthread+0x9e/0xc0
Dec 23 11:47:33 iws2 kernel: [<ffffffff8100c28a>] child_rip+0xa/0x20
Dec 23 11:47:33 iws2 kernel: [<ffffffff810a0f30>] ? kthread+0x0/0xc0
Dec 23 11:47:33 iws2 kernel: [<ffffffff8100c280>] ? child_rip+0x0/0x20
Dec 23 11:47:33 iws2 kernel:

Issue Links

• duplicates: LU-7404 ZFS OSS - Numerous timeouts - SWL