Re: kern/46749: Accessing to ld0 at sdmmc0 causes kernel panic on NetBSD/i386 current

[Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>]

The following reply was made to PR kern/46749; it has been noted by GNATS.

From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/46749: Accessing to ld0 at sdmmc0 causes kernel panic on
 NetBSD/i386 current
Date: Thu, 02 Aug 2012 08:10:16 +0900 (JST)

 From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>, Date: Sun, 29 Jul 2012 
15:50:04 +0000 (UTC)
 
 > The following reply was made to PR kern/46749; it has been noted by GNATS.
 > 
 > From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: kern/46749: Accessing to ld0 at sdmmc0 causes kernel panic on
 >  NetBSD/i386 current
 > Date: Mon, 30 Jul 2012 00:47:24 +0900 (JST)
 > 
 >  And newfs /dev/rld0e on today's NetBSD/i386 current generates error.
 >  
 >  % sudo newfs -O 2 /dev/rld0e
 >  /dev/rld0e: 30959.0MB (63403968 sectors) block size 16384, fragment size 
 > 2048
 >          using 168 cylinder groups of 184.28MB, 11794 blks, 22912 inodes.
 >  super-block backups (for fsck_ffs -b #) at:
 >  160, 377568, 754976, 1132384, 1509792, 1887200, 2264608, 2642016, 3019424,
 >  
 > ...............................................................................
 >  cg 0: bad magic number
 
 With today's current, "cg 0: bad magic number" error does not occur.
 But accessing to ld0 causes kernel panic.
 
 % crash -M netbsd.18.core -N netbsd.18
 Crash version 6.99.10, image version 6.99.10.
 System panicked: lock error
 Backtrace from time of crash is available.
 crash> tr
 _KERNEL_OPT_NAPMBIOS(c0c485a1,104,c05ed378,8,5,0,0,daf6b378,61353263,0) at 0
 _end(104,0,ffec,c0c60d67,c07f24a5,1,0,c0ce1b04,c2812838,c25a07e4) at daf6b3d8
 
vpanic(c0c485a1,daf6b3d8,4,c057b1ce,c210e000,60,daf6b3fc,c07eb3de,c0c485a1,c0c0e
 14f) at vpanic+0x1cf
 
printf_nolog(c0c485a1,c0c0e14f,c0b566f5,c0c0c81f,c2812838,0,c25a07e0,c08e56e2,c2
 5a07e0,0) at printf_nolog
 
lockdebug_abort(c2812838,c0ce1b04,c0b566f5,c0c0c81f,c210cd00,c2812838,daf6b4ac,c
 058a9b9,c0c87640,c247e020) at lockdebug_abort+0x2b
 
rw_abort(c0c87640,c247e020,daf6b44c,c07ebb9c,c206d160,c25a09b4,0,c057528d,c0d247
 80,3) at rw_abort+0x29
 rw_vector_enter(c2812838,1,1,0,0,1,daf6b4fc,c0806c40,c259acc0,ffffffff) at 
rw_ve
 ctor_enter+0x570
 
genfs_lock(daf6b518,a,daf6b52c,c0807041,c0d5d53c,c2817aac,daf6b52c,c07ebb9c,c206
 d160,c0ba5ad4) at genfs_lock+0xa9
 VOP_LOCK(c2812794,2,daf6b59c,c0993f5a,c2817aac,0,daf6b56c,c09024eb,c2817aac,0) 
a
 t VOP_LOCK+0x2c
 vn_lock(c2812794,2,c0c617b1,0,2,0,daf6b62c,c03025b3,c2817aac,0) at vn_lock+0xe0
 vget(c2812794,2,1,5980,db0a00a8,c2812794,1306,0,0,c24ff928) at vget+0xe2
 ufs_ihashget(1304,0,2,0,2,daf6b6cc,daf6b65c,0,c2812794,c28106c4) at 
ufs_ihashget
 +0x9a
 
ffs_vget(c2819000,2,0,daf6b86c,c0301e5d,4000,daf6b6ec,c24ff8d8,c2549000,c28106c4
 ) at ffs_vget+0x103
 
ffs_valloc(c2812794,8000,ffffffff,daf6b86c,c247e020,c210cd00,daf6b77c,c059218b,c
 0c87640,c247e020) at ffs_valloc+0x232
 
wapbl_log_position(daf6b8fc,daf6b910,daf6b90c,daf6b8f4,c2819044,0,daf6b8dc,c0993
 f0e,4946ade,0) at wapbl_log_position+0x3e3
 
ffs_wapbl_start(c2819000,c2819044,a8,1000,c2107f00,0,daf6b9ac,c0575472,0,c25a09b
 4) at ffs_wapbl_start+0xc2
 
ffs_mountfs(c25a258c,c2819000,c25a07e0,c2819000,c25a258c,6,0,c090a700,c281902c,0
 ) at ffs_mountfs+0xbf2
 
ffs_mount(c2819000,bfbfe9d8,c205b590,daf6bca0,c2396f10,0,daf6bbdc,c090ba7e,c2819
 000,bfbfe9d8) at ffs_mount+0x211
 VFS_MOUNT(c2819000,bfbfe9d8,c205b590,daf6bca0,2000000,c205b590,0,fffffffe,0,0) 
a
 t VFS_MOUNT+0x34
 
mount_domount(c25a07e0,daf6bc3c,c0c89ec0,bfbfe9d8,2000000,c205b590,daf6bca0,c254
 4405,7,86a29d38) at mount_domount+0x11c
 do_sys_mount(c25a07e0,0,8048ea8,bfbfe9d8,2000000,bfbfeddc,0,4,daf6bd1c,0) at 
do_
 sys_mount+0x238
 
sys___mount50(c25a07e0,daf6bcf4,daf6bd1c,c2800bd4,0,bbb1dba3,bbb1d000,c24c26a0,0
 ,19a) at sys___mount50+0x4d
 syscall() at syscall+0x89
 --- syscall (number 410) ---
 bbb04b57:
 crash>
 
 --
 Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
 PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB  FD1B F404 27FA C7D1 15F3