Bug 761787 (GLUSTER-55)

Summary:	crash in afr_stat() (below dht_stat())
Product:	[Community] GlusterFS	Reporter:	Amar Tumballi <amarts>
Component:	replicate	Assignee:	Vikas Gorur <vikas>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	high	Docs Contact:
Priority:	low
Version:	2.0.0	CC:	aavati, gluster-bugs, gowda, raghavendra, vraman
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description Amar Tumballi 2009-06-24 19:46:31 UTC

saw this crash backtrace in a log file.

2009-06-19 16:02:06 E [posix.c:2663:posix_xattrop] posix-sdl1: /vol639/vol1298/shots/fan/char.peeps.tex/pix/ptex/arb_hi/color/v
1/512sq_dt8_tif: Bad address
pending frames:
frame : type(1) op(STAT)

patchset: 7b2e459db65edd302aa12476bc73b3b7a17b1410
signal received: 6
configuration details:argp 1
backtrace 1
dlfcn 1
fdatasync 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 2.0.0
/lib64/libc.so.6[0x3595e30280]
/lib64/libc.so.6(gsignal+0x35)[0x3595e30215]
/lib64/libc.so.6(abort+0x110)[0x3595e31cc0]
/lib64/libc.so.6[0x3595e6a7fb]
/lib64/libc.so.6[0x3595e700b3]
/lib64/libc.so.6[0x3595e723fd]
/lib64/libc.so.6(__libc_calloc+0xc0)[0x3595e73ce0]
/opt/gluster-2.0.0/lib/glusterfs/2.0.0/xlator/cluster/replicate.so(afr_stat+0x69)[0x2b8cfce263d9]
/opt/gluster-2.0.0/lib/glusterfs/2.0.0/xlator/cluster/distribute.so(dht_stat+0x13d)[0x2b8cfd055c4d]
/opt/gluster-2.0.0/lib/glusterfs/2.0.0/xlator/performance/write-behind.so(wb_stat+0xfe)[0x2b8cfd260e1e]
/opt/gluster-2.0.0/lib/glusterfs/2.0.0/xlator/mount/fuse.so[0x2b8cfd46dffd]
/lib64/libpthread.so.0[0x3596606367]
/lib64/libc.so.6(clone+0x6d)[0x3595ed2f7d]


one of the subvolume of the afr is remote, other is local (with io-threads).

Comment 1 Raghavendra G 2009-06-25 01:33:32 UTC

seems to be similar bug which was reported in bug id 29 and also a bug to which fix was committed in 49523c834f075007352d07bf09463af9499b59f5.

I'll be sending a fix to this by end of day and we can check whether that fixes the issue. Gowda has already sent a patch which uses copies of dictionary during stack_wind of an fop to each of its children, but I am holding it back to include it in a patchset which fixes the bug in all cluster translators.

Comment 2 Vikas Gorur 2009-07-15 12:23:09 UTC

Fixed by http://patches.gluster.com/patch/652/