Re: kern/38273 panic: LOCKDEBUG, "lockdebug_barrier: spin lock held", from ld_ataraid_start_raid0()

["Greg A. Woods" <woods%planix.com@localhost>]

The following reply was made to PR kern/38273; it has been noted by GNATS.

From: "Greg A. Woods" <woods%planix.com@localhost>
To: NetBSD GNATS <gnats-bugs%NetBSD.org@localhost>
Cc: Juan RP <xtraeme%gmail.com@localhost>
Subject: Re: kern/38273 panic: LOCKDEBUG, "lockdebug_barrier: spin lock held", 
from ld_ataraid_start_raid0()
Date: Wed, 17 Sep 2008 14:38:05 -0400

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 At Wed, 17 Sep 2008 15:00:08 +0000 (UTC), Juan RP wrote:
 Subject: Re: kern/38273 panic: LOCKDEBUG, "lockdebug_barrier: spin lock hel=
 d", from ld_ataraid_start_raid0()
 >=20
 >  please try this patch. I've built a NetBSD/amd64 full release with
 >  src on RAID0 and obj/destdir/tools on RAID1 with ataraid(4)
 >  successfully with all debugging options enabled.
 
 Well now at least it immediately dumps during boot:
 
 ataraid0: found 1 RAID volume
 ld0 at ataraid0 vendtype 1 unit 0: Adaptec ATA RAID-1 array
 ld0: ld_ataraid_attach(): ld unit 0 (ld->sc_dv =3D 0xd187064c)
 ld0: ldattach(): unit 0
 ld0: 186 GB, 24321 cyl, 255 head, 63 sec, 512 bytes/sect x 390721536 sectors
 rnd: ld0 attached as an entropy source (collecting)
 Mutex error: mutex_vector_exit: exiting unheld spin mutex
 
 lock address : 0x00000000d18706ac type     :               spin
 initialized  : 0x00000000c01f46f9
 shared holds :                  0 exclusive:                  0
 shares wanted:                  0 exclusive:                  0
 current cpu  :                  1 last held:                  1
 current lwp  : 0x00000000c0b349e0 last held: 000000000000000000
 last locked  : 0x00000000c01f411b unlocked : 0x00000000c01f4160
 owner field  : 0x0000000000000600 wait/spin:                0/1
 
 panic: LOCKDEBUG
 Begin traceback...
 copyright(d1832202,0,0,c0bf4350,d1832200,d1832198,d18706ac,c0b34724,0,c01f4=
 11b) at 0xc0aa6f11
 ?(d18321c1,0,0,c0b34c2c,d1832280,d1832218,d187068c,c0b34730,c0b349e0,c01f43=
 82) at 0
 End traceback...
 fatal breakpoint trap in supervisor mode
 trap type 1 code 0 eip c05ae38c cs 8 eflags 246 cr2 0 ilevel 6
 Stopped in pid 0.1 (system) at  netbsd:breakpoint+0x4:  popl    %ebp
 db{1}>=20
 db{1}> trace
 breakpoint(c0aac84e,1,fffe,c0b09d65,c04e4e50,1,0,0,c0d296f4,8) at netbsd:br=
 eakpoint+0x4
 panic(c0aab734,c0aa6f2b,c0886a15,c0aa6f11,c0aa6f11,1886a15,6,d18706ac,0,cc4=
 cc000) at netbsd:panic+0x1b8
 lockdebug_abort1(c0aa6f11,1,c0886a15,c0aa6f11,cc4cc0ec,c31f7e8c,c0d29758,c0=
 4b2754,d18706ac,c0886a15) at netbsd:lockdebug_abort1+0xbb
 mutex_abort(d18706ac,c0886a15,c0aa6f11,c04b25c2,d18706ac,0,c0d29768,c05dff3=
 5,d18706ac,c31f7e8c) at netbsd:mutex_abort+0x2e
 mutex_vector_exit(d18706ac,c31f7e8c,c0d297a8,c04e1a48,d187064c,c31f7e8c,2,0=
 ,d0e80328,c0bd1e00) at netbsd:mutex_vector_exit+0x1c4
 cbufpool_ctor(d187064c,c31f7e8c,2,0,d0e80328,c0bd1e00,c0d297a8,c0d297d8,6,c=
 c4daf00) at netbsd:cbufpool_ctor+0x15
 pool_cache_get_slow(0,2,c0d297d8,0,1,0,6,c084a799,0,0) at netbsd:pool_cache=
 _get_slow+0x218
 pool_cache_get_paddr(cc4cc000,2,0,0,0,0,0,0,200,0) at netbsd:pool_cache_get=
 _paddr+0x180
 ld_ataraid_make_cbuf(0,0,d078e000,200,8,cc4c3df4,d1870744,c32d4f64,d18321c0=
 ,d18706ac) at netbsd:ld_ataraid_make_cbuf+0x38
 ld_ataraid_start_raid0(d187064c,c31e7a14,c0d298d8,c0848696,c0bf85c0,d18706a=
 c,d1870650,0,c31e7a14,d187064c) at netbsd:ld_ataraid_start_raid0+0x1be
 ldstart(6,0,c0d29918,c04ddfda,8,1,0,c051cd51,0,c32dca00) at netbsd:ldstart+=
 0x6d
 ldstrategy(c31e7a14,c0b349e0,c0d29958,c0848696,0,c0d29a24,c0d29968,c05b1579=
 ,c01f4b70,c32dca00) at netbsd:ldstrategy+0x165
 disk_read_sectors(c01f4b70,c32dca00,c31e7a14,0,1,c32dca00,c0d299f8,c05b15bb=
 ,c051cd7d,c0b349e0) at netbsd:disk_read_sectors+0x4b
 read_sector(c051cd7d,c0b349e0,0,c0bfc320,0,400,c0bfc320,c04b264a,8,c05b1d20=
 ) at netbsd:read_sector+0x29
 scan_mbr(400,0,c04d848d,0,0,0,c0d29a38,0,d0874340,c32dca00) at netbsd:scan_=
 mbr+0x2b
 readdisklabel(3,c01f4b70,c32dca00,c32dc800,d187068c,3,0,c086d800,1303,c0b34=
 9e0) at netbsd:readdisklabel+0xdf
 ldopen(1303,1,6000,c0b349e0,6000,1,6,d1843a10,d0ce8e20,0) at netbsd:ldopen+=
 0x15a
 bdev_open(1303,1,6000,c0b349e0,0,0,c0bfc460,c04b264a,c0b349e0,1303) at netb=
 sd:bdev_open+0x99
 spec_open(c0d29b24,20002,c0d29b38,c052fcb8,d1843a10,c0887fa0,d1843a10,1,fff=
 fffff,0) at netbsd:spec_open+0x2c8
 VOP_OPEN(d1843a10,1,ffffffff,c04b607d,d180de10,0,1303,d1843a10,0,0) at netb=
 sd:VOP_OPEN+0x6c
 dkwedge_discover(d1870650,c01f4b50,1,c01f4af0,ff,3f,200,1749f000,0,2) at ne=
 tbsd:dkwedge_discover+0xfc
 ldattach(d187064c,c05df630,0,d187064c,c0ac6514,0,6,c05dff20,c05dff10,d18706=
 4c) at netbsd:ldattach+0x333
 ld_ataraid_attach(cc4bd6b4,d180de10,c32d4f00,c0d29c74,c32d4f00,d180dc20,d18=
 0de10,c32d4f00,c0d29c74,cc4bd6b4) at netbsd:ld_ataraid_attach+0x25f
 config_attach_loc(cc4bd6b4,c0b20ec8,c0d29c74,c32d4f00,c05dcba0,c04d4180,c0d=
 29c7a,615872de,cc4bd6b4,1) at netbsd:config_attach_loc+0x173
 ataraid_attach(0,cc4bd6b4,0,d0e80938,0,d0e80938,c0d29cc8,c05dce3c,c0b38dac,=
 c0b38d80) at netbsd:ataraid_attach+0x87
 config_attach_pseudo(c0b38dac,c0b38d80,0,28,2a,c0490920,c0d29ce8,c04d4759,0=
 ,c0bd3eb0) at netbsd:config_attach_pseudo+0x35
 ata_raid_finalize(0,c0bd3eb0,0,0,0,c0490920,c0d29d38,c0490fb1,0,0) at netbs=
 d:ata_raid_finalize+0x4c
 config_finalize(0,0,14,0,0,c0490920,0,0,c0bf13c4,0) at netbsd:config_finali=
 ze+0x99
 main(0,c01002cd,0,0,0,0,0,0,0,0) at netbsd:main+0x271
 db{1}>=20
 db{1}> x/I 0x00000000c01f411b
 netbsd:ldstart+0x1b:    testl   %esi,%esi
 db{1}> x/I 0x00000000c01f4160
 netbsd:ldstart+0x60:    movl    %esi,0x4(%esp)
 db{1}>=20
 =20
 --=20
                                                Greg A. Woods
                                                Planix, Inc.
 
 <woods%planix.com@localhost>     +1 416 489-5852 x122     
http://www.planix.com/
 
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