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    SubjectRe: Linux 2.6.17-rc2 - notifier chain problem?
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    Hi Herbert,

    I am not able to reproduce the problem you are seeing. Need some help
    from you in reproducing it.

    Do you have any unique hardware/driver/kernel component ?

    Did you try without QEMU (to see if it isolats the problem) ?

    regards,

    chandra
    On Fri, 2006-04-21 at 13:01 +0200, Herbert Poetzl wrote:
    > On Tue, Apr 18, 2006 at 08:27:37PM -0700, Linus Torvalds wrote:
    > >
    > > Instead of the normal one-week release schedule, there was now two weeks
    > > between 2.6.17-rc1 and -rc2, partly because I was travelling for one of
    > > those weeks, but partly because it was really quiet for a while. Likely a
    > > lot of people are concentrating on 2.6.16 and vendor releases.
    >
    > [rest zapped]
    >
    > here is the 'updated' bug report on the xfs issue which
    > seems to have been introduced with 2.6.17-rc1
    >
    > note: 2.6.16.8 does not have this issue
    >
    > best,
    > Herbert
    >
    >
    > Linux (none) 2.6.17-rc2 #1 SMP Fri Apr 21 11:52:19 CEST 2006 i686 unknown
    >
    > / # mkfs.xfs -f /dev/hdc1
    > meta-data=/dev/hdc1 isize=256 agcount=8, agsize=8189 blks
    > data = bsize=4096 blocks=65512, imaxpct=25
    > = sunit=0 swidth=0 blks, unwritten=0
    > naming =version 2 bsize=4096
    > log =internal log bsize=4096 blocks=1200
    > realtime =none extsz=65536 blocks=0, rtextents=0
    > / # mount /dev/hdc1 /mnt/
    >
    >
    > [ 64.289157] BUG: unable to handle kernel paging request at virtual address c056a680
    > [ 64.290085] printing eip:
    > [ 64.290402] c0129290
    > [ 64.290686] *pde = 005bd027
    > [ 64.291037] *pte = 0056a000
    > [ 64.291504] Oops: 0000 [#1]
    > [ 64.291823] SMP DEBUG_PAGEALLOC
    > [ 64.292820] Modules linked in:
    > [ 64.293453] CPU: 0
    > [ 64.293485] EIP: 0060:[<c0129290>] Not tainted VLI
    > [ 64.293529] EFLAGS: 00000286 (2.6.17-rc2 #1)
    > [ 64.295055] EIP is at notifier_chain_register+0x20/0x50
    > [ 64.295648] eax: c056a678 ebx: cf5e23f8 ecx: 00000000 edx: c04bea9c
    > [ 64.296362] esi: cf5e23f8 edi: cffc5000 ebp: cf5e2800 esp: cffdad5c
    > [ 64.297140] ds: 007b es: 007b ss: 0068
    > [ 64.297613] Process mount (pid: 34, threadinfo=cffda000 task=cff7e570)
    > [ 64.298258] Stack: <0>c04bea80 c0129454 c04bea9c cf5e23f8 cf5e2000 cf5e2000 c01367f7 c04bea80
    > [ 64.299558] cf5e23f8 c02d4b26 cf5e23f8 00000404 cf5e2000 cfd1f520 cffc5000 c02d1f53
    > [ 64.300700] cf5e2000 00000001 c02e65ef 00000424 00000001 cffc5000 cfd1f520 c02f2880
    > [ 64.301841] Call Trace:
    > [ 64.302278] <c0129454> blocking_notifier_chain_register+0x54/0x90 <c01367f7> register_cpu_notifier+0x17/0x20
    > [ 64.303684] <c02d4b26> xfs_icsb_init_counters+0x46/0xb0 <c02d1f53> xfs_mount_init+0x23/0x160
    > [ 64.304844] <c02e65ef> kmem_zalloc+0x1f/0x50 <c02f2880> bhv_insert_all_vfsops+0x10/0x50
    > [ 64.305940] <c02f1f65> xfs_fs_fill_super+0x35/0x1f0 <c0313e97> snprintf+0x27/0x30
    > [ 64.307124] <c01a24f4> disk_name+0x64/0xc0 <c0168f1f> sb_set_blocksize+0x1f/0x50
    > [ 64.308140] <c0168869> get_sb_bdev+0x109/0x160 <c02f2150> xfs_fs_get_sb+0x30/0x40
    > [ 64.309129] <c02f1f30> xfs_fs_fill_super+0x0/0x1f0 <c0168b10> do_kern_mount+0xa0/0x160
    > [ 64.310156] <c0181187> do_new_mount+0x77/0xc0 <c018184f> do_mount+0x1bf/0x230
    > [ 64.311177] <c03f4a68> iret_exc+0x3d4/0x6ab <c0181633> copy_mount_options+0x63/0xc0
    > [ 64.312246] <c03f427f> lock_kernel+0x2f/0x50 <c0181c5f> sys_mount+0x9f/0xe0
    > [ 64.313237] <c0102b27> syscall_call+0x7/0xb
    > [ 64.313917] Code: 90 90 90 90 90 90 90 90 90 90 90 53 8b 54 24 08 8b 5c 24 0c 8b 02 85 c0 74 31 8b 4b 08 8d b4 26 00 00 00 00 8d bc 27 00 00 00 00 <3b> 48 08 7f 1b 8d 50 04 8b 40 04 85 c0 75 f1 31 c0 eb 0d 90 90
    > [ 64.318371] EIP: [<c0129290>] notifier_chain_register+0x20/0x50 SS:ESP 0068:cffdad5c
    >
    >
    > Linux (none) 2.6.16.8 #1 SMP Fri Apr 21 12:45:31 CEST 2006 i686 unknown
    > / # mkfs.xfs -f /dev/hdc1
    > meta-data=/dev/hdc1 isize=256 agcount=8, agsize=8189 blks
    > data = bsize=4096 blocks=65512, imaxpct=25
    > = sunit=0 swidth=0 blks, unwritten=0
    > naming =version 2 bsize=4096
    > log =internal log bsize=4096 blocks=1200
    > realtime =none extsz=65536 blocks=0, rtextents=0
    > / # mount /dev/hdc1 /mnt/
    > [ 24.627530] XFS mounting filesystem hdc1
    >
    --

    ----------------------------------------------------------------------
    Chandra Seetharaman | Be careful what you choose....
    - sekharan@us.ibm.com | .......you may get it.
    ----------------------------------------------------------------------


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