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[xfs-masters] Re: Linux 2.6.17-rc2 - notifier chain problem?

To: Linus Torvalds <torvalds@xxxxxxxx>
Subject: [xfs-masters] Re: Linux 2.6.17-rc2 - notifier chain problem?
From: Herbert Poetzl <herbert@xxxxxxxxxxxx>
Date: Fri, 21 Apr 2006 13:01:40 +0200
Cc: Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Chandra Seetharaman <sekharan@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, akpm@xxxxxxxx
In-reply-to: <Pine.LNX.4.64.0604182013560.3701@xxxxxxxxxxx>
Mail-followup-to: Linus Torvalds <torvalds@xxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Chandra Seetharaman <sekharan@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, akpm@xxxxxxxx
References: <Pine.LNX.4.64.0604182013560.3701@xxxxxxxxxxx>
Reply-to: xfs-masters@xxxxxxxxxxx
Sender: xfs-masters-bounce@xxxxxxxxxxx
User-agent: Mutt/1.5.6i
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


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