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[Bug 27492] BUG: unable to handle kernel NULL pointer dereference, on hi

To: xfs-masters@xxxxxxxxxxx
Subject: [Bug 27492] BUG: unable to handle kernel NULL pointer dereference, on high filesystem io
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Fri, 28 Jan 2011 17:54:03 GMT
Auto-submitted: auto-generated
In-reply-to: <bug-27492-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
References: <bug-27492-470@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.kernel.org/show_bug.cgi?id=27492


Jochen Buchholz <bookwood@xxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|high                        |blocking




--- Comment #1 from Jochen Buchholz <bookwood@xxxxxxxxxxx>  2011-01-28 17:54:01 
---
The next chrash with kernel 2.6.37 and the inkonsistent xfs filesystem under 
param vmalloc=256M bootparam has an out of memeory message:
./
rsync: readlink_stat("/usr/portage/dev-perl/Algorithm-Annotate") failed: Cannot
allocate memory (12)
rsync: readlink_stat("/usr/portage/dev-perl/CGI-Session") failed: Cannot
allocate memory (12)
rsync: readlink_stat("/usr/portage/dev-perl/Class-XSAccessor") failed: Cannot
allocate memory (12)
rsync: readlink_stat("/usr/portage/dev-perl/Math-Random") failed: Cannot
allocate memory (12)
rsync: readlink_stat("/usr/portage/dev-perl/PostScript-Simple") failed: Cannot
allocate memory (12)
IO error encountered -- skipping file deletion
rsync: recv_generator: failed to stat "/usr/portage/dev-php/metadata.xml":
Cannot allocate memory (12)
rsync: recv_generator: failed to stat "/usr/portage/kde-base/metadata.xml":
Cannot allocate memory (12)
metadata/
metadata/timestamp.chk
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/dev-embedded/arduino-0015-r1": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/dev-perl/XML-NodeFilter-0.01": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/dev-texlive/texlive-basic-2008-r1": Cannot
allocate memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/gnome-extra/assogiate-0.2.1": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/kde-misc/adjustableclock-2.6.1": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-plugins/gst-plugins-ladspa-0.10.18": Cannot
allocate memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-plugins/gst-plugins-vorbis-0.10.28": Cannot
allocate memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-plugins/mythmusic-0.22_p22763": Cannot
allocate memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/gpodder-2.9": Cannot allocate memory
(12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/justeport-0.2": Cannot allocate memory
(12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/mt-daapd-0.2.4.2": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/phonon-4.3.50_pre20090520": Cannot
allocate memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/qjackctl-0.3.2": Cannot allocate
memory (12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/media-sound/sexypsf-0.4.7": Cannot allocate memory
(12)
rsync: recv_generator: failed to stat
"/usr/portage/metadata/cache/net-misc/modemmanager-0.4": Cannot allocate memory
(12)
.
.
.


dmesg:
 vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
.
.
.

# cat /proc/meminfo 
MemTotal:         775732 kB
MemFree:           84396 kB
Buffers:              20 kB
Cached:           302024 kB
SwapCached:         4564 kB
Active:           211520 kB
Inactive:         123696 kB
Active(anon):      15708 kB
Inactive(anon):    17932 kB
Active(file):     195812 kB
Inactive(file):   105764 kB
Unevictable:           0 kB
Mlocked:               0 kB
HighTotal:        278524 kB
HighFree:            572 kB
LowTotal:         497208 kB
LowFree:           83824 kB
SwapTotal:       1025020 kB
SwapFree:         956068 kB
Dirty:                24 kB
Writeback:             0 kB
AnonPages:         29108 kB
Mapped:             6152 kB
Shmem:               468 kB
Slab:             314676 kB
SReclaimable:     301996 kB
SUnreclaim:        12680 kB
KernelStack:        1760 kB
PageTables:         1108 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     1412884 kB
Committed_AS:     761328 kB
VmallocTotal:     262144 kB
VmallocUsed:       14088 kB
VmallocChunk:     215384 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       4096 kB
DirectMap4k:        8184 kB
DirectMap4M:      761856 kB
The XFS filesystem is unusable under 2.6.37 and an x86 32 bit system.

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