[xfs-masters] Re: 2.6.22-rc1-mm1

["Michal Piotrowski" <michal.k.k.piotrowski@xxxxxxxxx>]

On 16/05/07, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:> On Wed, 16 May 
2007 18:24:44 +0200 Michal Piotrowski <michal.k.k.piotrowski@xxxxxxxxx> 
wrote:>> > Andrew Morton napisał(a):> > > 
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.22-rc1/2.6.22-rc1-mm1/>
 > >> >> > Almost every time when I try to run this script I hit a bug. I'm 
wondering why...> > 
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc1-mm1/test_mount_fs.sh>
 >> > [ 6666.713016] kernel BUG at 
/home/devel/linux-mm/include/linux/mm.h:288!>> static inline int 
put_page_testzero(struct page *page)> {>         
VM_BUG_ON(atomic_read(&page->_count) == 0);>         return 
atomic_dec_and_test(&page->_count);> }>> > [ 6666.719690] invalid opcode: 0000 
[#1]> > [ 6666.723397] PREEMPT SMP> > [ 6666.725999] Modules linked in: xfs 
loop pktgen ipt_MASQUERADE iptable_nat nf_nat autofs4 af_packet 
nf_conntrack_netbios_ns ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack 
nfnetlink iptable_filter ip_tables ip6t_REJECT xt_tcpudp ip6table_filter 
ip6_tables x_tables ipv6 binfmt_misc thermal processor fan container nvram 
snd_intel8x0 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss 
snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm 
evdev snd_timer snd soundcore intel_agp agpgart snd_page_alloc i2c_i801 ide_cd 
cdrom rtc unix> > [ 6666.776026] CPU:    0> > [ 6666.776027] EIP:    
0060:[<c01693ec>]    Not tainted VLI> > [ 6666.776028] EFLAGS: 00010202   
(2.6.22-rc1-mm1 #3)> > [ 6666.788519] EIP is at put_page+0x44/0xee> > [ 
6666.792491] eax: 00000001   ebx: c549f728   ecx: c04b27e0   edx: 00000001> > [ 
6666.799345] esi: 00000000   edi: 00000080   ebp: d067e9e0   esp: d067e9c8> > [ 
6666.806208] ds: 007b   es: 007b   fs: 00d8  gs: 0033  ss: 0068> > [ 
6666.812104] Process mount (pid: 9419, ti=d067e000 task=d00a4070 
task.ti=d067e000)> > [ 6666.819486] Stack: d8980180 00000080 d067e9f0 d8980180 
00000000 00000080 d067e9f0 fdc8eda3> > [ 6666.828103]        fffffffc d8980180 
d067ea20 fdc8f7ff fdc9b425 fdc96e5c 00080000 00000000> > [ 6666.836635]        
c549dfd0 00000200 ffffffff cd44b8e0 00002160 cd44b8e0 d067ea30 fdc78937> > [ 
6666.845253] Call Trace:> > [ 6666.847939]  [<fdc8eda3>] xfs_buf_free+0x41/0x61 
[xfs]> > [ 6666.853247]  [<fdc8f7ff>] xfs_buf_get_noaddr+0x10c/0x118 [xfs]> > [ 
6666.859231]  [<fdc78937>] xlog_get_bp+0x65/0x69 [xfs]> > [ 6666.864412]  
[<fdc79e87>] xlog_write_log_records+0x73/0x20d [xfs]> > [ 6666.870654]  
[<fdc7a174>] xlog_clear_stale_blocks+0x153/0x15b [xfs]> > [ 6666.877075]  
[<fdc7a546>] xlog_find_tail+0x3ca/0x43d [xfs]> > [ 6666.882695]  [<fdc7c241>] 
xlog_recover+0x14/0x9b [xfs]> > [ 6666.887968]  [<fdc75d13>] 
xfs_log_mount+0xad/0xf1 [xfs]> > [ 6666.893332]  [<fdc7ec47>] 
xfs_mountfs+0x959/0xc4a [xfs]> > [ 6666.898689]  [<fdc714f6>] 
xfs_ioinit+0x26/0x2c [xfs]> > [ 6666.903789]  [<fdc85692>] 
xfs_mount+0x2e5/0x358 [xfs]> > [ 6666.908988]  [<fdc95b66>] vfs_mount+0x1a/0x1e 
[xfs]> > [ 6666.914035]  [<fdc95a20>] xfs_fs_fill_super+0x76/0x1a2 [xfs]> > [ 
6666.919868]  [<c018597f>] get_sb_bdev+0x105/0x143> > [ 6666.924652]  
[<fdc94d57>] xfs_fs_get_sb+0x21/0x27 [xfs]> > [ 6666.930033]  [<c0185501>] 
vfs_kern_mount+0x81/0xf1> > [ 6666.934887]  [<c0199b51>] do_mount+0x716/0x80d> 
> [ 6666.939390]  [<c0199cc8>] sys_mount+0x80/0xb5> > [ 6666.943824]  
[<c01041d0>] syscall_call+0x7/0xb> > [ 6666.948338]  [<b7fbe410>] 0xb7fbe410> > 
[ 6666.951983]  =======================> > [ 6666.955606] INFO: lockdep is 
turned off.> > [ 6666.959633] Code: 3f 19 0b 00 85 c0 74 0c 89 d8 e8 1a fa ff 
ff e9 b9 00 00 00 31 d2 83 7b 04 00 0f 94 c2 b8 e0 27 4b c0 e8 1c 19 0b 00 85 
c0 74 04 <0f> 0b eb fe 83 7b 04 00 75 11 c7 04 24 be 60 3f c0 e8 91 c6 fb> > [ 
6666.979608] EIP: [<c01693ec>] put_page+0x44/0xee SS:ESP 0068:d067e9c8> > [ 
6667.271984] XFS: Filesystem loop1 has duplicate UUID - can't mount> >> > ...> 
>> > [ 6670.074487] XFS: Filesystem loop1 has duplicate UUID - can't mount> > [ 
6670.240395] XFS: Filesystem loop1 has duplicate UUID - can't mount> > [ 
6670.350305] XFS: Filesystem loop1 has duplicate UUID - can't mount> > [ 
6670.458773] XFS: Filesystem loop1 has duplicate UUID - can't mount> >> > 
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc1-mm1/mm-dmesg2>
 > 
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc1-mm1/mm-config>
 >>> Looks like XFS did a free of an already-freed page.  There are a couple 
of> likely suspects in git-xfs.patch.>> Does mainline do this?>>
2.6.22-rc1-g7b104bcb seems to be fine.
Regards,Michal
-- Michal K. K. PiotrowskiKernel Monkeys(http://kernel.wikidot.com/start)