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zconfig fails ans causes kernel oops with kernel 3.3.5: #730

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michaelletzgus opened this issue May 8, 2012 · 3 comments
Closed

zconfig fails ans causes kernel oops with kernel 3.3.5: #730

michaelletzgus opened this issue May 8, 2012 · 3 comments
Milestone
0.6.0-rc12

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@michaelletzgus
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Debian wheezy with kernel 3.3.5:

  1. First run:

uche-pc1-ml:/home/mletzgus # /usr/local/libexec/zfs/zconfig.sh -c -v
Destroying
1 persistent zpool.cache Pass
2 scan disks for pools to import Pass
3 zpool import/export device /dev/tank/volume may not be immediately available
Error: Could not stat device /dev/zvol/tank/volume - No such file or directory.
Fail (4)

SYSLOG:
May 8 19:30:57 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:30:57 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:30:57 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:30:58 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:30:58 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:30:58 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:30:58 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:30:58 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:30:58 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:31:00 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:31:00 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:31:00 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:31:00 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:31:00 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:31:00 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:31:01 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:31:01 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:31:01 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:31:01 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:31:01 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:31:01 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:31:03 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:31:03 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:31:03 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:31:03 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:31:04 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:31:04 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:31:04 uche-pc1-ml kernel: zd0: unknown partition table

  1. Ssecond run:

uche-pc1-ml:/home/mletzgus # /usr/local/libexec/zfs/zconfig.sh -c -v
Destroying
1 persistent zpool.cache Pass
2 scan disks for pools to import Fail (7)

SYSLOG:
May 8 19:35:30 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8May 8 19:35:30 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8May 8 19:35:30 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8May 8 19:35:30 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195acMay 8 19:35:30 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8May 8 19:35:30 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5May 8 19:35:31 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:35:31 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:35:31 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:35:31 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:35:31 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:35:31 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:35:33 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:35:33 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:35:33 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:35:33 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:35:33 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:35:33 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:35:34 uche-pc1-ml kernel: ZFS: Unloaded module v0.6.0-rc8
May 8 19:35:34 uche-pc1-ml kernel: SPLAT: Unloaded module v0.6.0-rc8
May 8 19:35:34 uche-pc1-ml kernel: SPL: Unloaded module v0.6.0-rc8
May 8 19:35:35 uche-pc1-ml kernel: SPL: Loaded module v0.6.0-rc8, using hostid 0x468195ac
May 8 19:35:35 uche-pc1-ml kernel: SPLAT: Loaded module v0.6.0-rc8
May 8 19:35:35 uche-pc1-ml kernel: ZFS: Loaded module v0.6.0-rc8, ZFS pool version 28, ZFS filesystem version 5
May 8 19:35:35 uche-pc1-ml kernel: BUG: unable to handle kernel NULL pointer dereference at 00000000000001ce
May 8 19:35:35 uche-pc1-ml kernel: IP: [] __blkdev_get+0x28/0x420
May 8 19:35:35 uche-pc1-ml kernel: PGD 1dac5e067 PUD 1cc90f067 PMD 0
May 8 19:35:35 uche-pc1-ml kernel: Oops: 0000 [#1] SMP
May 8 19:35:35 uche-pc1-ml kernel: CPU 1
May 8 19:35:35 uche-pc1-ml kernel: Modules linked in: zfs(PO) zcommon(PO) zunicode(PO) znvpair(PO) zavl(PO) splat(O) spl(O) zlib_inflate zlib_deflate xt_TCPMSS xt_limit xt_tcpudp nf_nat_irc nf_nat_ftp ipt_LOG ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc nf_conntrack_ftp xt_state vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) acpi_cpufreq mperf cpufreq_stats cpufreq_performance cpufreq_ondemand freq_table cpufreq_powersave cpufreq_conservative fuse iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle iptable_filter ip_tables x_tables zram(C) kvm_intel kvm pl2303 usbserial md_mod adt7475 it87 hwmon_vid coretemp hwmon loop joydev hid_cherry usbhid hid usb_storage snd_hda_codec_realtek snd_hda_intel snd_hda_codec sr_mod cdrom snd_hwdep nvidia(PO) snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_seq_oss snd_seq_midi uhci_hcd snd_rawmidi ehci_hcd snd_seq_midi_event usbcore snd_seq snd_seq_device snd_timer snd r8169 processor button i2c_i801 i2c_core usb_common floppy soundcore [last
May 8 19:35:35 uche-pc1-ml kernel: unloaded: spl]
May 8 19:35:35 uche-pc1-ml kernel:
May 8 19:35:35 uche-pc1-ml kernel: Pid: 14681, comm: zpool Tainted: P C O 3.3.5 #2 Gigabyte Technology Co., Ltd. EP45-UD3LR/EP45-UD3LR
May 8 19:35:35 uche-pc1-ml kernel: RIP: 0010:[] [] __blkdev_get+0x28/0x420
May 8 19:35:35 uche-pc1-ml kernel: RSP: 0018:ffff8801cd525c58 EFLAGS: 00010282
May 8 19:35:35 uche-pc1-ml kernel: RAX: ffffffffffffff86 RBX: ffff8801fbe69380 RCX: fffffffffffffaf0
May 8 19:35:35 uche-pc1-ml kernel: RDX: 0000000000000510 RSI: ffff8801cd525c74 RDI: ffffffffa117a1e0
May 8 19:35:35 uche-pc1-ml kernel: RBP: ffffffffffffff86 R08: 01fbe694f00c0000 R09: fde619ea09993c03
May 8 19:35:35 uche-pc1-ml kernel: R10: ffff88021e82a5e0 R11: ffff8801cd525da0 R12: ffff8801db690c80
May 8 19:35:35 uche-pc1-ml kernel: R13: ffff8801fbe69398 R14: 000000000000001d R15: 000000000000001d
May 8 19:35:35 uche-pc1-ml kernel: FS: 00007f2c5c2efb40(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
May 8 19:35:35 uche-pc1-ml kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 8 19:35:35 uche-pc1-ml kernel: CR2: 00000000000001ce CR3: 00000001cf827000 CR4: 00000000000406e0
May 8 19:35:35 uche-pc1-ml kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
May 8 19:35:35 uche-pc1-ml kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
May 8 19:35:35 uche-pc1-ml kernel: Process zpool (pid: 14681, threadinfo ffff8801cd524000, task ffff8801cf712e10)
May 8 19:35:35 uche-pc1-ml kernel: Stack:
May 8 19:35:35 uche-pc1-ml kernel: ffffffff810f1a90 0000000000000000 ffff88021f9e5688 00000000810da420
May 8 19:35:35 uche-pc1-ml kernel: 0000000000000000 0000000000000000 ffff8801fbe69380 ffff8801db690c80
May 8 19:35:35 uche-pc1-ml kernel: ffff880210ee0648 000000000000001d ffff880210ee076c ffffffff810f346b
May 8 19:35:35 uche-pc1-ml kernel: Call Trace:
May 8 19:35:35 uche-pc1-ml kernel: [] ? I_BDEV+0x10/0x10
May 8 19:35:35 uche-pc1-ml kernel: [] ? blkdev_get+0x4b/0x2f0
May 8 19:35:35 uche-pc1-ml kernel: [] ? unlock_new_inode+0x37/0x60
May 8 19:35:35 uche-pc1-ml kernel: [] ? bdget+0x112/0x130
May 8 19:35:35 uche-pc1-ml kernel: [] ? blkdev_get+0x2f0/0x2f0
May 8 19:35:35 uche-pc1-ml kernel: [] ? __dentry_open.isra.17+0x212/0x320
May 8 19:35:35 uche-pc1-ml kernel: [] ? do_last.isra.48+0x2bc/0x7f0
May 8 19:35:35 uche-pc1-ml kernel: [] ? path_init+0x2ce/0x3d0
May 8 19:35:35 uche-pc1-ml kernel: [] ? path_openat+0xcc/0x380
May 8 19:35:35 uche-pc1-ml kernel: [] ? do_filp_open+0x45/0xb0
May 8 19:35:35 uche-pc1-ml kernel: [] ? alloc_fd+0x46/0x130
May 8 19:35:35 uche-pc1-ml kernel: [] ? do_sys_open+0xf8/0x1e0
May 8 19:35:35 uche-pc1-ml kernel: [] ? system_call_fastpath+0x16/0x1b
May 8 19:35:35 uche-pc1-ml kernel: Code: 1f 40 00 41 57 41 89 f7 41 56 41 55 4c 8d 6f 18 41 54 55 53 48 89 fb 48 83 ec 28 89 54 24 0c e9 ed 00 00 00 0f 1f 80 00 00 00 00 <48> 8b 80 48 02 00 00 48 89 ef 4c 8b 70 58 e8 15 32 0a 00 4c 89
May 8 19:35:35 uche-pc1-ml kernel: RIP [] __blkdev_get+0x28/0x420
May 8 19:35:35 uche-pc1-ml kernel: RSP
May 8 19:35:35 uche-pc1-ml kernel: CR2: 00000000000001ce
May 8 19:35:35 uche-pc1-ml kernel: ---[ end trace 4b84bb1b07d4b254 ]---
@michaelletzgus
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It's "zpool import" saying only "killed" an producing am kernel oops...

@behlendorf
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Interesting... when we get a chance we'll take a look.

@behlendorf behlendorf mentioned this issue Sep 10, 2012
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@behlendorf
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Once again this is a duplicate of issue #949 , I'm closing the issue because all the useful context is in the other bug.

behlendorf pushed a commit that referenced this issue Oct 3, 2012
@cwedgwood @behlendorf
zvol_probe should return NULL when the device isn't found.
23a61cc 
Previously we returned ERR_PTR(-ENOENT) which the rest of the kernel
doesn't expect and as such we can oops.

Signed-off-by: Chris Wedgwood <cw@f00f.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #949
Closes #931
Closes #789
Closes #743
Closes #730
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@behlendorf @michaelletzgus