On Dec 23, 2007 8:30 AM, Andrew Morton <akpm@linux-foundation.org> wrote:
quoted text
>
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc6/2.6.24-rc6-mm...
[snip]
quoted text
> +agk-dm-dm-snapshot-use-uninitialized_var.patch
> +agk-dm-dm-raid1-handle-write-failures.patch
> +agk-dm-dm-raid1-report-fault-status.patch
> +agk-dm-dm-raid1-fix-eio-after-log-failure.patch
> +agk-dm-dm-raid1-handle-read-failures.patch
> +agk-dm-dm-raid1-mark-and-clear-nosync-writes.patch
>
>  device-mapper tree updates
[snip]
quoted text
> +gregkh-driver-kref-add-kref_set.patch
> +gregkh-driver-kobject-convert-sys-firmware-acpi-to-use-kobject_create.patch
> +gregkh-driver-kobject-change-net-bridge-to-use-kobject_create_and_add.patch
> +gregkh-driver-kobject-change-gfs2-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-infiniband-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-firmware-eddc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-firmware-efivarsc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-cpufreq-cpufreqc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-edac-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-cpuidle-sysfsc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-pci-hotplug-pci_hotplug_corec-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-base-sysc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-arch-x86-kernel-cpu-intel_cacheinfoc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-acpi-systemc-to-use-kobject_create_and_add.patch
> +gregkh-driver-kobject-change-drivers-block-pktcdvdc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-arch-sh-kernel-cpu-sh4-sqc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-net-ibmvethc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-parisc-pdc_stablec-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-arch-ia64-kernel-topologyc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-drivers-md-mdc-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-change-arch-x86-kernel-cpu-mcheck-mce_amd_64c-to-use-kobject_create_and_add.patch
> +gregkh-driver-kobject-change-arch-x86-kernel-cpu-mcheck-mce_amd_64c-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-the-cris-iop_fw_loadc-code-is-broken.patch
> +gregkh-driver-kobject-convert-drivers-base-classc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-drivers-base-corec-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-drivers-net-iseries_vethc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-fs-char_devc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-kernel-paramsc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-kernel-userc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-mm-slubc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-net-bridge-br_ifc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-driver-add-driver_add_kobj-for-looney-iseries_veth-driver.patch
> +gregkh-driver-kobject-change-drivers-base-bus-to-use-kobject_init_and_add.patch
> +gregkh-driver-kobject-convert-block-elevatorc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-block-ll_rw_blkc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-drivers-md-mdc-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-convert-kernel-modulec-to-use-kobject_init-add_ng.patch
> +gregkh-driver-kobject-remove-kobject_add-as-no-one-uses-it-anymore.patch
> +gregkh-driver-kobject-rename-kobject_add_ng-to-kobject_add.patch
> +gregkh-driver-kobject-remove-kobject_init-as-no-one-uses-it-anymore.patch
> +gregkh-driver-kobject-rename-kobject_init_ng-to-kobject_init.patch
> +gregkh-driver-kobject-remove-kobject_register.patch
> +gregkh-driver-kset-remove-kset_add-function.patch
> +gregkh-driver-kobject-auto-cleanup-on-final-unref.patch
> +gregkh-driver-kobject-convert-arch-from-kobject_unregister-to-kobject_put.patch
> +gregkh-driver-kobject-convert-drivers-from-kobject_unregister-to-kobject_put.patch
> +gregkh-driver-kobject-convert-fs-from-kobject_unregister-to-kobject_put.patch
> +gregkh-driver-kobject-convert-remaining-kobject_unregister-to-kobject_put.patch
> +gregkh-driver-kobject-remove-kobject_unregister-as-no-one-uses-it-anymore.patch
> +gregkh-driver-driver-core-change-sysdev-classes-to-use-dynamic-kobject-names.patch
> +gregkh-driver-kobject-remove-old-outdated-documentation.patch
> +gregkh-driver-kobject-update-the-kobject-kset-documentation.patch
> +gregkh-driver-kobject-add-sample-code-for-how-to-use-kobjects-in-a-simple-manner.patch
> +gregkh-driver-kobject-add-sample-code-for-how-to-use-ksets-ktypes-kobjects.patch
> +gregkh-driver-driver-core-use-list_head-instead-of-call-to-init_list_head-in-__init.patch
[snip]
quoted text
> +md-support-external-metadata-for-md-arrays.patch
> +md-give-userspace-control-over-removing-failed-devices-when-external-metdata-in-use.patch
> +md-allow-a-maximum-extent-to-be-set-for-resyncing.patch
> +md-allow-devices-to-be-shared-between-md-arrays.patch
> +md-lock-address-when-changing-attributes-of-component-devices.patch
> +md-allow-an-md-array-to-appear-with-0-drives-if-it-has-external-metadata.patch
>
>  RAID updates

I have finally given up on using 2.6.24-rc3-mm2 with slub_debug=FZP to
get more information out of the random crashes I had seen with that
version. (Did not crash once with slub_debug, so no new information on
what the cause was)

2.6.24-rc6-mm1 does not boot for me.
It starts my initrd, but when this wants to start the md devices it crashes:
[   12.900887] Freeing unused kernel memory: 356k freed
[   15.290320] Clocksource tsc unstable (delta = -558415384 ns)
[   34.284845] md: Autodetecting RAID arrays.
[   34.154076] md: Scanned 5 and added 5 devices.
[   34.154076] md: autorun ...
[   34.154080] md: considering sdc2 ...
[   34.155472] md:  adding sdc2 ...
[   34.156728] md:  adding sdb2 ...
[   34.164080] md: sdb1 has different UUID to sdc2
[   34.165836] md:  adding sda2 ...
[   34.174080] md: sda1 has different UUID to sdc2
[   34.175852] md: created md1
[   34.176938] md: bind<sda2>
[   34.184147] md: bind<sdb2>
[   34.185219] md: bind<sdc2>
[   34.186284] md: running: <sdc2><sdb2><sda2>
[   34.194604] md: do_md_run() returned -22
[   34.196123] md: md1 stopped.
[   34.197267] md: unbind<sdc2>
[   34.204105] md: export_rdev(sdc2)
[   34.205426] md: unbind<sdb2>
[   34.206548] md: export_rdev(sdb2)
[   34.214102] md: unbind<sda2>
[   34.215223] md: export_rdev(sda2)
[   34.216544] md: considering sdb1 ...
[   34.224083] md:  adding sdb1 ...
[   34.225337] md:  adding sda1 ...
[   34.226696] Unable to handle kernel paging request at 0000000034333545 RIP:
[   34.228481]  [<ffffffff803b49a1>] kref_put+0x31/0x80
[   34.231378] PGD 7e402067 PUD 7e924067 PMD 0
[   34.233084] Oops: 0002 [1] SMP
[   34.234076] last sysfs file: /sys/devices/virtual/block/md1/dev
[   34.234076] CPU 3
[   34.234076] Modules linked in:
[   34.234076] Pid: 18, comm: events/3 Not tainted 2.6.24-rc6-mm1 #1
[   34.234076] RIP: 0010:[<ffffffff803b49a1>]  [<ffffffff803b49a1>]
kref_put+0x31/0x80
[   34.234076] RSP: 0018:ffff81007ffd5e00  EFLAGS: 00010202
[   34.234076] RAX: 0000000000000000 RBX: 0000000034333545 RCX: ffffffff80606270
[   34.234076] RDX: 0000000000000040 RSI: ffffffff803b38b0 RDI: 0000000034333545
[   34.234076] RBP: ffff81007ffd5e10 R08: 0000000000000001 R09: 0000000000000000
[   34.234076] R10: ffffffff8094c430 R11: 0000000000000000 R12: ffffffff803b38b0
[   34.234076] R13: ffff81011ed434d8 R14: ffffffff804d7d50 R15: ffff81011ff220f0
[   34.234076] FS:  0000000000c7f870(0000) GS:ffff81011ff20280(0000)
knlGS:0000000000000000
[   34.234076] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[   34.234076] CR2: 0000000034333545 CR3: 000000007e5bc000 CR4: 00000000000006e0
[   34.234076] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.234076] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   34.234076] Process events/3 (pid: 18, threadinfo ffff81007ffd4000,
task ffff81007ffd2000)
[   34.234076] Stack:  ffff81011ed43460 ffff81011ff220c0
ffff81007ffd5e20 ffffffff803b37e9
[   34.234076]  ffff81007ffd5e40 ffffffff803b389b ffff81007ffd5e50
ffff81011ed434e0
[   34.234076]  ffff81007ffd5e50 ffffffff804d7d5d ffff81007ffd5eb0
ffffffff80249775
[   34.234076] Call Trace:
[   34.234076]  [<ffffffff803b37e9>] kobject_put+0x19/0x20
[   34.234076]  [<ffffffff803b389b>] kobject_del+0x2b/0x40
[   34.234076]  [<ffffffff804d7d5d>] delayed_delete+0xd/0x10
[   34.234076]  [<ffffffff80249775>] run_workqueue+0x175/0x210
[   34.234076]  [<ffffffff8024a411>] worker_thread+0x71/0xb0
[   34.234076]  [<ffffffff8024d9e0>] autoremove_wake_function+0x0/0x40
[   34.234076]  [<ffffffff8024a3a0>] worker_thread+0x0/0xb0
[   34.234076]  [<ffffffff8024d5fd>] kthread+0x4d/0x80
[   34.234076]  [<ffffffff8020c4b8>] child_rip+0xa/0x12
[   34.234076]  [<ffffffff8020bbcf>] restore_args+0x0/0x30
[   34.234076]  [<ffffffff8024d5b0>] kthread+0x0/0x80
[   34.234076]  [<ffffffff8020c4ae>] child_rip+0x0/0x12
[   34.234076]
[   34.234076]
[   34.234076] Code: f0 ff 0b 0f 94 c0 31 d2 84 c0 74 0b 48 89 df 41 ff d4 ba 01
[   34.234076] RIP  [<ffffffff803b49a1>] kref_put+0x31/0x80
[   34.234076]  RSP <ffff81007ffd5e00>
[   34.234076] CR2: 0000000034333545
[   34.234080] ---[ end trace 303353bd9dfe95b0 ]---
[   34.236037] md: created md0
[   34.237125] md: bind<sda1>
[   34.244088] md: bind<sdb1>
[   34.245152] md: running: <sdb1><sda1>
[   34.246626] md: do_md_run() returned -22
[   34.254078] md: md0 stopped.
[   45.657898] SysRq : Resetting

# cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md0 : active raid1 sdb1[1] sda1[0]
      9775424 blocks [2/2] [UU]
      bitmap: 0/150 pages [0KB], 32KB chunk

md1 : active raid5 sdc2[2] sdb2[1] sda2[0]
      605586048 blocks level 5, 64k chunk, algorithm 2 [3/3] [UUU]
      bitmap: 2/145 pages [8KB], 1024KB chunk

unused devices: <none>

Should I blame the raid1 changes or the kobject changes?

Torsten
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