Merge commit 'refs/top-bases/linux-have-fm' into linux-have-fm
This commit is contained in:
Brian Behlendorf
commit
5756cf15f5
115
TODO
115
TODO
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@ -1,4 +1,4 @@
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SUMMARY OF MAJOR KNOWN PROBLEMS IN v0.4.3 (Development Release)
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SUMMARY OF MAJOR KNOWN PROBLEMS IN v0.4.5 (Development Release)
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- Implement FLUSH support probably in terms of a barrier as part of
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the vdev_disk.c interface. Required for correctness.
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@ -20,116 +20,3 @@ SUMMARY OF MAJOR KNOWN PROBLEMS IN v0.4.3 (Development Release)
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- Integrate the FUSE port in to this code base, or rebase it as its
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own zfs-fuse package which is built against the zfs-devel package.
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----------------------- OBSERVED ZTEST FAILURES ------------------------
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1) Easily reproduced on my FC10-i686 box:
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ztest -V -T 18000
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5 vdevs, 7 datasets, 23 threads, 18000 seconds...
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Pass 1, SIGKILL, 0 ENOSPC, 0.7% of 238M used, 0% done, 4h59m42s to go
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...
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Pass 4, SIGKILL, 0 ENOSPC, 17.8% of 476M used, 1% done, 4h57m59s to go
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lt-ztest: ../../lib/libzpool/taskq.c:199: Assertion
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`pthread_create(&tq->tq_threadlist[t], NULL, taskq_thread, tq) == 0' failed.
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2) Reproducible on my RHEL5-x86_64 box after perhaps an hour:
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ztest -V -T 18000
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5 vdevs, 7 datasets, 23 threads, 18000 seconds...
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Pass 1, SIGKILL, 0 ENOSPC, 4.1% of 476M used, 0% done, 4h59m44s to go
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...
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Pass 43, SIGKILL, 0 ENOSPC, 76.7% of 476M used, 17% done, 4h09m28s to go
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lt-ztest: ../../module/zfs/dsl_scrub.c:659: Assertion `0 ==
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dsl_dataset_hold_obj(dp, dsobj, ((char *)__func__), &ds) (0x0 == 0x2)' failed.
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child died with signal 6
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3) Reproducible on my RHEL5-x86_64 box after perhaps an hour:
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ztest -V -T 18000
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5 vdevs, 7 datasets, 23 threads, 18000 seconds...
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Pass 1, SIGKILL, 0 ENOSPC, 46.3% of 238M used, 0% done, 4h59m11s to go ...
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Pass 22, SIGKILL, 0 ENOSPC, 80.4% of 238M used, 8% done, 4h34m46s to go
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ztest: spa_vdev_attach(in-place) = 75
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child died with signal 6
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----------------------- OBSERVED ZPIOS FAILURES ------------------------
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1) Observed failure only on FC10-i686 system, never on my RHEL5 box. It
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is possible this is due to stack corruption because the 32-bit system
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is running with stock 4K stacks and the x86_64 system has 8K stacks. It's
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also possible the newer FC10 kernel is just catching something the older
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RHEL5 kernels are not.
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FC10-i686 Kernel: 2.6.27.19-170.2.35.fc10.i686
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RHEL5/Chaos-x86_64 Kernel: 2.6.18-63chaos
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SPL: Loaded Solaris Porting Layer v0.4.2
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ZFS: Loaded ZFS Filesystem v0.4.2
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VM: killing process zpool-create.sh
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swap_free: Bad swap file entry f0f668c0
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swap_free: Bad swap file entry f0f668c0
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Eeek! page_mapcount(page) went negative! (-1)
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page pfn = 1
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page->flags = 400
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page->count = 1
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page->mapping = 00000000
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vma->vm_ops = generic_file_vm_ops+0x0/0x14
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vma->vm_ops->fault = filemap_fault+0x0/0x32b
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vma->vm_file->f_op->mmap = generic_file_mmap+0x0/0x42
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------------[ cut here ]------------
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kernel BUG at mm/rmap.c:684!
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invalid opcode: 0000 [#1] SMP
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Modules linked in: zpios zfs(P) zcommon(P) zunicode(P) znvpair(P) zavl(P) spl
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zlib_deflate nfs lockd nfs_acl sco bridge stp bnep l2cap bluetooth sunrpc
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ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand
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acpi_cpufreq dm_multipath uinput snd_intel8x0 snd_ac97_codec ac97_bus
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snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device
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snd_pcm_oss snd_mixer_oss ppdev snd_pcm snd_timer snd tg3 dcdbas soundcore
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snd_page_alloc iTCO_wdt libphy iTCO_vendor_support pcspkr yenta_socket
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parport_pc rsrc_nonstatic joydev video output parport ata_generic pata_acpi
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radeon drm i2c_algo_bit i2c_core [last unloaded: microcode]
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Pid: 6793, comm: zpool-create.sh Tainted: P
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(2.6.27.19-170.2.35.fc10.i686 #1) Latitude D600
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EIP: 0060:[<c0482db5>] EFLAGS: 00210246 CPU: 0
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EIP is at page_remove_rmap+0xc1/0xde
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EAX: 0000003b EBX: c1000020 ECX: c076fdd0 EDX: 00200046
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ESI: f64a3528 EDI: 00349000 EBP: ee9bbd28 ESP: ee9bbd20
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DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
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Process zpool-create.sh (pid: 6793, ti=ee9bb000 task=f668b340
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task.ti=ee9bb000)
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Stack: 00001093 c1000020 ee9bbdb8 c047ca46 00400000 c087a654 003acfff c06b6738
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00000000 f64a3528 ee9bbdd0 00001093 00000001 00385f4d 00000000 ee9e71c0
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003ad000 d3f2b000 d3f2b000 ee9bbd74 c04281ea c1809664 c043ef71 00000000
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Call Trace:
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[<c047ca46>] ? unmap_vmas+0x384/0x5bd
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[<c04281ea>] ? default_wake_function+0xb/0xd
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[<c043ef71>] ? autoremove_wake_function+0xf/0x33
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[<c047fd85>] ? exit_mmap+0x71/0xe5
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[<c042be3f>] ? mmput+0x37/0x86
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[<c042f21b>] ? exit_mm+0xeb/0xf3
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[<c0430ae7>] ? do_exit+0x1cc/0x744
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[<c04a18ef>] ? d_lookup+0x27/0x3d
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[<c04310cf>] ? do_group_exit+0x70/0x97
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[<c06acd38>] ? do_page_fault+0x686/0x710
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[<c048f311>] ? kmem_cache_free+0x8c/0xa7
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[<c042bc4a>] ? __cleanup_signal+0x17/0x1a
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[<c042fc7c>] ? release_task+0x3f7/0x407
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[<c04f9035>] ? selinux_task_wait+0x2a/0x2c
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[<c0430239>] ? wait_consider_task+0x5ad/0x8e4
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[<c043f1b9>] ? remove_wait_queue+0x22/0x29
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[<c0430743>] ? do_wait+0x1d3/0x281
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[<c04281df>] ? default_wake_function+0x0/0xd
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[<c0498be2>] ? path_put+0x15/0x18
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[<c0461bfc>] ? audit_syscall_exit+0xb2/0xc7
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[<c06ac6b2>] ? do_page_fault+0x0/0x710
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[<c06aaf8a>] ? error_code+0x72/0x78
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=======================
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Code: c0 74 0d 8b 50 08 b8 b2 fd 76 c0 e8 50 ff ff ff 8b 46 48 85 c0 74 14 8b
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40 10 85 c0 74 0d 8b 50 2c b8 d0 fd 76 c0 e8 35 ff ff ff <0f> 0b eb fe 8b 53
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10 89 d8 83 e2 01 f7 da 83 c2 04 e8 7a 6d ff
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EIP: [<c0482db5>] page_remove_rmap+0xc1/0xde SS:ESP 0068:ee9bbd20
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---[ end trace bdf37696bb24901e ]---
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Fixing recursive fault but reboot is needed!
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BUG: scheduling while atomic: zpool-create.sh/6793/0x00000001
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@ -112,7 +112,6 @@ thread_fini(void)
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/* Wait for all threads to exit via thread_exit() */
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VERIFY3S(pthread_mutex_lock(&kthread_lock), ==, 0);
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while ((count = thread_count()) > 1) {
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printf("Waiting for %d\n", count);
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clock_gettime(CLOCK_REALTIME, &ts);
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ts.tv_sec += 1;
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pthread_cond_timedwait(&kthread_cond, &kthread_lock, &ts);
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