On 2/07/2006 12:05 a.m., Neil Brown wrote:
On Saturday July 1, [email protected] wrote:
Only difference I can think of is still barriers... Does this patch
make any difference?
You will be happy to know that yes, it does make a difference.
Applied to -mm4, RAID-1 now comes up with all arrays in sync and everything
looking good. Tried it twice, and both times raid-1 came up perfectly with
md0 : active raid1 sdc2[1] sda2[0]
24410688 blocks [2/2] [UU]
bitmap: 0/187 pages [0KB], 64KB chunk
for each md.
Cool.... so who is giving us that EIO. I'm guessing
end_that_request_first or .._last, but where is it getting to there
from?
What is you remove that last patch (so it still tries barrier writes)
but add this patch (so WARN_ON gives us a trace when it happens).
Bear in mind that this does not include Ingo's fix for the md stuff:
Bootdata ok (command line is ro root=/dev/md0 panic=60 console=ttyS0,57600 single)
Linux version 2.6.17-mm4 ([email protected]) (gcc version 4.1.1 20060629
(Red Hat 4.1.1-6)) #3 SMP Sun Jul 2 00:11:13 NZST 2006
<snip>
mice: PS/2 mouse device common for all mice
md: raid1 personality registered for level 1
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
EDAC MC: Ver: 2.0.0 Jul 1 2006
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
BIOS EDD facility v0.16 2004-Jun-25, 3 devices found
Freeing unused kernel memory: 216k freed
Red Hat nash version 5.0.46 starting
Mounting proc filesystem
Mounting sysfs filesystem
Creating /dev
Creating initial device nodes
Setting up hotplug.
Creating block device nodes.
Loading ide-disk.ko module
md: Autodetecting RAID arrays.
md: invalid raid superblock magic on sda10
md: sda10 has invalid sb, not importing!
BUG: warning at fs/block_dev.c:1109/__blkdev_put()
Call Trace:
[<ffffffff802bf192>] __blkdev_put+0x9c/0x1bb
[<ffffffff802bf2bf>] blkdev_put_partition+0xe/0x10
[<ffffffff8041f434>] unlock_rdev+0x49/0x50
[<ffffffff8041fc9a>] md_import_device+0x24a/0x2a0
[<ffffffff8033af8a>] selinux_capable+0x24/0x29
[<ffffffff80424a21>] md_ioctl+0xc1/0x154f
[<ffffffff8033a693>] avc_has_perm+0x49/0x5b
[<ffffffff80350762>] blkdev_driver_ioctl+0x62/0x80
[<ffffffff80350e76>] blkdev_ioctl+0x6f6/0x75a
[<ffffffff8023f674>] wake_up_inode+0x18/0x24
[<ffffffff8033ae13>] inode_has_perm+0x62/0x71
[<ffffffff802bfa62>] blkdev_open+0x0/0x61
[<ffffffff802bfa8e>] blkdev_open+0x2c/0x61
[<ffffffff8033aecc>] file_has_perm+0xaa/0xb9
[<ffffffff802beb12>] block_ioctl+0x1b/0x1f
[<ffffffff802432ea>] do_ioctl+0x2a/0x8f
[<ffffffff8023185b>] vfs_ioctl+0x27b/0x2a0
[<ffffffff8024e76a>] sys_ioctl+0x5f/0x82
[<ffffffff8022fadd>] sys_fcntl+0x33d/0x34f
[<ffffffff8026014a>] system_call+0x7e/0x83
BUG: warning at fs/block_dev.c:1128/__blkdev_put()
Call Trace:
[<ffffffff803576f8>] kobject_put+0x19/0x21
[<ffffffff802bf274>] __blkdev_put+0x17e/0x1bb
[<ffffffff802bf2bf>] blkdev_put_partition+0xe/0x10
[<ffffffff8041f434>] unlock_rdev+0x49/0x50
[<ffffffff8041fc9a>] md_import_device+0x24a/0x2a0
[<ffffffff8033af8a>] selinux_capable+0x24/0x29
[<ffffffff80424a21>] md_ioctl+0xc1/0x154f
[<ffffffff8033a693>] avc_has_perm+0x49/0x5b
[<ffffffff80350762>] blkdev_driver_ioctl+0x62/0x80
[<ffffffff80350e76>] blkdev_ioctl+0x6f6/0x75a
[<ffffffff8023f674>] wake_up_inode+0x18/0x24
[<ffffffff8033ae13>] inode_has_perm+0x62/0x71
[<ffffffff802bfa62>] blkdev_open+0x0/0x61
[<ffffffff802bfa8e>] blkdev_open+0x2c/0x61
[<ffffffff8033aecc>] file_has_perm+0xaa/0xb9
[<ffffffff802beb12>] block_ioctl+0x1b/0x1f
[<ffffffff802432ea>] do_ioctl+0x2a/0x8f
[<ffffffff8023185b>] vfs_ioctl+0x27b/0x2a0
[<ffffffff8024e76a>] sys_ioctl+0x5f/0x82
[<ffffffff8022fadd>] sys_fcntl+0x33d/0x34f
[<ffffffff8026014a>] system_call+0x7e/0x83
md: invalid raid superblock magic on sdc10
md: sdc10 has invalid sb, not importing!
BUG: warning at fs/block_dev.c:1109/__blkdev_put()
Call Trace:
[<ffffffff802bf192>] __blkdev_put+0x9c/0x1bb
[<ffffffff802bf2bf>] blkdev_put_partition+0xe/0x10
[<ffffffff8041f434>] unlock_rdev+0x49/0x50
[<ffffffff8041fc9a>] md_import_device+0x24a/0x2a0
[<ffffffff8033af8a>] selinux_capable+0x24/0x29
[<ffffffff80424a21>] md_ioctl+0xc1/0x154f
[<ffffffff8033a693>] avc_has_perm+0x49/0x5b
[<ffffffff80350762>] blkdev_driver_ioctl+0x62/0x80
[<ffffffff80350e76>] blkdev_ioctl+0x6f6/0x75a
[<ffffffff8023f674>] wake_up_inode+0x18/0x24
[<ffffffff8033ae13>] inode_has_perm+0x62/0x71
[<ffffffff802bfa62>] blkdev_open+0x0/0x61
[<ffffffff802bfa8e>] blkdev_open+0x2c/0x61
[<ffffffff8033aecc>] file_has_perm+0xaa/0xb9
[<ffffffff802beb12>] block_ioctl+0x1b/0x1f
[<ffffffff802432ea>] do_ioctl+0x2a/0x8f
[<ffffffff8023185b>] vfs_ioctl+0x27b/0x2a0
[<ffffffff8024e76a>] sys_ioctl+0x5f/0x82
[<ffffffff8022fadd>] sys_fcntl+0x33d/0x34f
[<ffffffff8026014a>] system_call+0x7e/0x83
BUG: warning at fs/block_dev.c:1128/__blkdev_put()
Call Trace:
[<ffffffff803576f8>] kobject_put+0x19/0x21
[<ffffffff802bf274>] __blkdev_put+0x17e/0x1bb
[<ffffffff802bf2bf>] blkdev_put_partition+0xe/0x10
[<ffffffff8041f434>] unlock_rdev+0x49/0x50
[<ffffffff8041fc9a>] md_import_device+0x24a/0x2a0
[<ffffffff8033af8a>] selinux_capable+0x24/0x29
[<ffffffff80424a21>] md_ioctl+0xc1/0x154f
[<ffffffff8033a693>] avc_has_perm+0x49/0x5b
[<ffffffff80350762>] blkdev_driver_ioctl+0x62/0x80
[<ffffffff80350e76>] blkdev_ioctl+0x6f6/0x75a
[<ffffffff8023f674>] wake_up_inode+0x18/0x24
[<ffffffff8033ae13>] inode_has_perm+0x62/0x71
[<ffffffff802bfa62>] blkdev_open+0x0/0x61
[<ffffffff802bfa8e>] blkdev_open+0x2c/0x61
[<ffffffff8033aecc>] file_has_perm+0xaa/0xb9
[<ffffffff802beb12>] block_ioctl+0x1b/0x1f
[<ffffffff802432ea>] do_ioctl+0x2a/0x8f
[<ffffffff8023185b>] vfs_ioctl+0x27b/0x2a0
[<ffffffff8024e76a>] sys_ioctl+0x5f/0x82
[<ffffffff8022fadd>] sys_fcntl+0x33d/0x34f
[<ffffffff8026014a>] system_call+0x7e/0x83
md: autorun ...
md: considering sdc11 ...
md: adding sdc11 ...
md: sdc7 has different UUID to sdc11
md: sdc6 has different UUID to sdc11
md: sdc5 has different UUID to sdc11
md: sdc3 has different UUID to sdc11
md: sdc2 has different UUID to sdc11
md: adding sda11 ...
md: sda7 has different UUID to sdc11
md: sda6 has different UUID to sdc11
md: sda5 has different UUID to sdc11
md: sda3 has different UUID to sdc11
md: sda2 has different UUID to sdc11
md: created md5
md: bind<sda11>
md: bind<sdc11>
md: running: <sdc11><sda11>
raid1: raid set md5 active with 2 out of 2 mirrors
md5: bitmap initialized from disk: read 10/10 pages, set 0 bits, status: 0
created bitmap (153 pages) for device md5
BUG: warning at drivers/md/md.c:411/super_written_barrier()
Call Trace:
<IRQ> [<ffffffff80422231>] super_written_barrier+0x61/0x100
[<ffffffff8023c000>] bio_endio+0x5a/0x6a
[<ffffffff8022e24f>] __end_that_request_first+0x16f/0x4c9
[<ffffffff8024afaa>] end_that_request_first+0xc/0xe
[<ffffffff8034e825>] blk_ordered_complete_seq+0x7d/0x8c
[<ffffffff8034e864>] post_flush_end_io+0x30/0x35
[<ffffffff8034e748>] end_that_request_last+0xd8/0xf4
[<ffffffff803d83a1>] scsi_end_request+0xb1/0xdd
[<ffffffff803d87cd>] scsi_io_completion+0x3cd/0x3dc
[<ffffffff803d8802>] scsi_blk_pc_done+0x26/0x28
[<ffffffff803d3e53>] scsi_finish_command+0x66/0x73
[<ffffffff803d8b71>] scsi_softirq_done+0xe1/0xf0
[<ffffffff80239980>] blk_done_softirq+0x6e/0x7e
[<ffffffff80211f5e>] __do_softirq+0x63/0xe5
[<ffffffff80261322>] call_softirq+0x1e/0x28
[<ffffffff8026ac58>] do_softirq+0x34/0x8b
[<ffffffff802872c8>] irq_exit+0x48/0x4a
[<ffffffff8026ac1a>] do_IRQ+0x6b/0x75
[<ffffffff8025a3f1>] mwait_idle+0x0/0x4f
[<ffffffff80260644>] ret_from_intr+0x0/0xa
<EOI> [<ffffffff80268e00>] prepare_to_copy+0x32/0x3b
[<ffffffff80268e04>] prepare_to_copy+0x36/0x3b
[<ffffffff80268e03>] prepare_to_copy+0x35/0x3b
[<ffffffff8026ee04>] mce_init+0x35/0xec
[<ffffffff8026ee00>] mce_init+0x31/0xec
[<ffffffff80268e00>] prepare_to_copy+0x32/0x3b
<repeats dozens of times>
[<ffffffff80268e00>] prepare_to_copy+0x32/0x3b
[<ffffffff8026ee00>] mce_init+0x31/0xec
[<ffffffff80268e00>] prepare_to_copy+0x32/0x3b
<repeats dozens of times>
[<ffffffff80268e00>] prepare_to_copy+0x32/0x3b
[<ffffffff80208e00>] __d_lookup+0xa0/0x140
[<ffffffff802a669f>] handle_bad_irq+0x0/0x1fd
[<ffffffff802a669f>] handle_bad_irq+0x0/0x1fd
<repeats dozens of times>
reuben
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