Public bug reported:
I've found a verycritical bug with the swap in my feisty. When my swap
memory is half full, my computer crashes.
See this :
# cat /proc/swaps
Filename Type Size Used Priority
/dev/sda6 partition 305192 13600 -1
/dev/mapper/sda6 partition 305192 0 -2
I have the same swap partition registered two times in my kernel to
provide swap.
The problem is that when the first swap partition is full, my computer
crashes, because the second swap doesn't exist, I think that Linux
kernel rewrite on the same partition.
See my memory stats :
# cat /proc/meminfo
MemTotal: 1026468 kB
MemFree: 110860 kB
Buffers: 143848 kB
Cached: 398908 kB
SwapCached: 31572 kB
Active: 442112 kB
Inactive: 318372 kB
HighTotal: 121676 kB
HighFree: 732 kB
LowTotal: 904792 kB
LowFree: 110128 kB
SwapTotal: 610384 kB
SwapFree: 576432 kB
Dirty: 196 kB
Writeback: 0 kB
AnonPages: 186208 kB
Mapped: 69900 kB
Slab: 83700 kB
SReclaimable: 65984 kB
SUnreclaim: 17716 kB
PageTables: 2568 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 1123616 kB
Committed_AS: 542792 kB
VmallocTotal: 114680 kB
VmallocUsed: 9048 kB
VmallocChunk: 105416 kB
Moreover, my swap is registered one time only into /etc/fstab :
# cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc defaults 0 0
# /dev/sda5 -- converted during upgrade to edgy
UUID=8ba19b8f-ad1e-43e9-bcdb-3f42ae29ad83 / ext3 defaults,errors=remount-ro 0 1
# /dev/sda6 -- converted during upgrade to edgy
UUID=2c4065a4-a22f-4a1f-8713-43dd7672f746 none swap sw 0 0
# /dev/sda7 -- converted during upgrade to edgy
UUID=a7780f6a-856d-41a2-b216-df3444a8832a /home ext3 defaults,errors=remount-ro
0 1
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto 0 0
# /dev/sda2 -- converted during upgrade to edgy
UUID=6C342AE4342AB14E /mnt/windows ntfs-3g
rw,user,auto,gid=100,nls=utf8,umask=002 0 0
I've updated my edgy to feisty. My edgy was a dapper.
Do you have an idea to correct this ?
Thanks you very much for your response.
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
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two swap partitions registered but only one swap partition exists
https://bugs.launchpad.net/bugs/112876
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