Date: Sat, 5 Mar 2011 15:33:01 -0800 From: "David O'Brien" <obrien@freebsd.org> To: freebsd-current@freebsd.org Subject: [PANIC] ffs_alloccg: map corrupted (w/SU+J) Message-ID: <20110305233301.GA3232@dragon.NUXI.org>
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Feb 24 19:43:16 : FreeBSD 9.0-CURRENT #662 r218815:218845M: Tue Feb 22 00:13:31 PST 2011
Feb 24 19:43:16 : /sys/i386/compile/DRAGON i386
[..]
Mar 5 14:41:38 : start = 0, len = 1659, fs = /storage
Mar 5 14:41:38 : panic: ffs_alloccg: map corrupted
Mar 5 14:41:38 : cpuid = 0
Mar 5 14:41:38 : KDB: stack backtrace:
Mar 5 14:41:38 : db_trace_self_wrapper(c084242b,65676172,a0d,4,0,...) at 0xc04ebf46 = db_trace_self_wrapper+0x26
Mar 5 14:41:38 : kdb_backtrace(c0860edc,0,c085531a,eaf4870c,0,...) at 0xc05ff87a = kdb_backtrace+0x2a
Mar 5 14:41:38 : panic(c085531a,0,67b,c65230d4,e000c000,...) at 0xc05d1d67 = panic+0x117
Mar 5 14:41:38 : ffs_mapsearch(4462ea0,0,8,0,0,...) at 0xc0759163 = ffs_mapsearch+0x153
Mar 5 14:41:38 : ffs_alloccgblk(4462ea0,0,4000,5ae,0,...) at 0xc075935c = ffs_alloccgblk+0xec
Mar 5 14:41:38 : ffs_alloccg(c99c29f8,2fa,4462ea0,0,4000,...) at 0xc0759c83 = ffs_alloccg+0x1b3
Mar 5 14:41:38 : ffs_hashalloc(4462ea0,0,4000,4000,c0759ad0,...) at 0xc0756321 = ffs_hashalloc+0x41
Mar 5 14:41:38 : ffs_alloc(c99c29f8,100e,0,4462ea0,0,...) at 0xc075acff = ffs_alloc+0x19f
Mar 5 14:41:38 : ffs_balloc_ufs2(ca740110,4038000,0,4000,c8bc7400,...) at 0xc075cff9 = ffs_balloc_ufs2+0x1949
Mar 5 14:41:38 : ffs_write(eaf48b90,eaf48b4c,eaf48b10,c0780ac2,ca740168,...) at 0xc077fc66 = ffs_write+0x276
Mar 5 14:41:38 : VOP_WRITE_APV(c08bb080,eaf48b90,ca740110,264,0,...) at 0xc08036e4 = VOP_WRITE_APV+0xe4
Mar 5 14:41:38 : vn_write(c7cfcc78,eaf48c24,c8bc7400,0,cddd05c0,...) at 0xc0663ad3 = vn_write+0x1c3
Mar 5 14:41:38 : dofilewrite(eaf48c24,ffffffff,ffffffff,0,c7cfcc78,...) at 0xc060fe55 = dofilewrite+0x95
Mar 5 14:41:38 : kern_writev(cddd05c0,4,eaf48c24,eaf48c44,1,...) at 0xc06100e8 = kern_writev+0x58
Mar 5 14:41:38 : write(cddd05c0,eaf48cec,cddd05c0,eaf48d28,4,...) at 0xc061016f = write+0x4f
Mar 5 14:41:38 : syscallenter(cddd05c0,eaf48ce4,eaf48ce4,0,3,...) at 0xc060b363 = syscallenter+0x2c3
Mar 5 14:41:38 : syscall(eaf48d28) at 0xc07e3114 = syscall+0x34
Mar 5 14:41:38 : Xint0x80_syscall() at 0xc07cf121 = Xint0x80_syscall+0x21
Mar 5 14:41:38 : --- syscall (4, FreeBSD ELF32, write), eip = 0x2818c60b, esp = 0xbfbfe86c, ebp = 0xbfbfe8d8 ---
Changes since my last reported SU+J panic:
1. Newer revision of ahd(4) ASIC
2. New U320 SCA enclosures (different vendor + model).
3. New motherboard
--
-- David (obrien@FreeBSD.org)
P.S. I am using this UFS patch:
Index: ufs/ffs/ffs_softdep.c
===================================================================
--- ufs/ffs/ffs_softdep.c (revision 218815)
+++ ufs/ffs/ffs_softdep.c (working copy)
@@ -6068,6 +6068,7 @@ indir_trunc(freework, dbn, lbn)
struct jnewblk *jnewblk;
struct freeblks *freeblks;
struct buf *bp;
+ struct bufobj *bo;
struct fs *fs;
struct worklist *wkn;
struct worklist *wk;
@@ -6106,14 +6107,13 @@ indir_trunc(freework, dbn, lbn)
* a complete copy of the indirect block in memory for our use.
* Otherwise we have to read the blocks in from the disk.
*/
-#ifdef notyet
- bp = getblk(freeblks->fb_devvp, dbn, (int)fs->fs_bsize, 0, 0,
- GB_NOCREAT);
-#else
- bp = incore(&freeblks->fb_devvp->v_bufobj, dbn);
-#endif
+ bo = &freeblks->fb_devvp->v_bufobj;
+check_incore:
ACQUIRE_LOCK(&lk);
+ BO_LOCK(bo);
+ bp = gbincore(bo, dbn);
if (bp != NULL && (wk = LIST_FIRST(&bp->b_dep)) != NULL) {
+ BO_UNLOCK(bo);
if (wk->wk_type != D_INDIRDEP ||
(wk->wk_state & GOINGAWAY) == 0)
panic("indir_trunc: lost indirdep %p", wk);
@@ -6126,15 +6126,34 @@ indir_trunc(freework, dbn, lbn)
ump->um_numindirdeps -= 1;
FREE_LOCK(&lk);
} else {
-#ifdef notyet
- if (bp)
- brelse(bp);
-#endif
FREE_LOCK(&lk);
- if (bread(freeblks->fb_devvp, dbn, (int)fs->fs_bsize,
- NOCRED, &bp) != 0) {
- brelse(bp);
- return;
+ if (bp != NULL) {
+ if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT |
+ LK_INTERLOCK, BO_MTX(bo)) != 0) {
+ pause("INDIRT", 1);
+ goto check_incore;
+ }
+ } else {
+ BO_UNLOCK(bo);
+ bp = getblk(freeblks->fb_devvp, dbn, fs->fs_bsize, 0,
+ 0, 0);
+ if (LIST_FIRST(&bp->b_dep) != NULL) {
+ brelse(bp);
+ goto check_incore;
+ }
+ }
+
+ if ((bp->b_flags & B_CACHE) == 0) {
+ bp->b_iocmd = BIO_READ;
+ bp->b_flags &= ~B_INVAL;
+ bp->b_ioflags &= ~BIO_ERROR;
+ vfs_busy_pages(bp, 0);
+ bp->b_iooffset = dbtob(bp->b_blkno);
+ bstrategy(bp);
+ if (bufwait(bp) != 0) {
+ brelse(bp);
+ return;
+ }
}
}
/*
@@ -6805,7 +6824,8 @@ cancel_diradd(dap, dirrem, jremref, dotr
mkdir->md_jaddref = NULL;
if (mkdir->md_state & MKDIR_PARENT) {
if (cancel_jaddref(jaddref, NULL,
- &dirrem->dm_jwork) == 0) {
+ &dirrem->dm_jwork) == 0 &&
+ dotdotremref != NULL) {
free_jremref(dotdotremref);
dotdotremref = NULL;
}
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