The attached syslog shows a kernel oops that looks relevant:
Sep 25 19:10:05 ubuntu kernel: [ 530.711700] ------------[ cut here
]------------
Sep 25 19:10:05 ubuntu kernel: [ 530.711761] WARNING: at
/build/buildd/linux-ti-omap4-3.5.0/block/genhd.c:1589
disk_clear_events+0xd4/0x108()
Sep 25 19:10:05 ubuntu kernel: [ 530.711791] Modules linked in: ufs qnx4
hfsplus hfs minix ntfs msdos xfs reiserfs jfs btrfs zlib_deflate libcrc32c ext2
omapdrm_pvr(O) dm_crypt arc4 wl12xx wlcore mac80211 cfg80211 joydev wlcore_sdio
dm_multipath gpio_keys bnep rfcomm ppdev bluetooth lp parport squashfs
overlayfs hid_sunplus dm_mirror dm_region_hash dm_log usbhid hid usb_storage
Sep 25 19:10:05 ubuntu kernel: [ 530.712158] [<c00164fc>]
(unwind_backtrace+0x0/0xec) from [<c0580b48>] (dump_stack+0x20/0x24)
Sep 25 19:10:05 ubuntu kernel: [ 530.712219] [<c0580b48>]
(dump_stack+0x20/0x24) from [<c00401a0>] (warn_slowpath_common+0x5c/0x74)
Sep 25 19:10:05 ubuntu kernel: [ 530.712280] [<c00401a0>]
(warn_slowpath_common+0x5c/0x74) from [<c00401e4>]
(warn_slowpath_null+0x2c/0x34)
Sep 25 19:10:05 ubuntu kernel: [ 530.712341] [<c00401e4>]
(warn_slowpath_null+0x2c/0x34) from [<c02a739c>] (disk_clear_events+0xd4/0x108)
Sep 25 19:10:05 ubuntu kernel: [ 530.712402] [<c02a739c>]
(disk_clear_events+0xd4/0x108) from [<c016f308>] (check_disk_change+0x28/0x58)
Sep 25 19:10:05 ubuntu kernel: [ 530.712463] [<c016f308>]
(check_disk_change+0x28/0x58) from [<c0387e58>] (sd_open+0xcc/0x1ac)
Sep 25 19:10:05 ubuntu kernel: [ 530.712493] [<c0387e58>] (sd_open+0xcc/0x1ac)
from [<c01700d0>] (__blkdev_get+0x29c/0x3c4)
Sep 25 19:10:05 ubuntu kernel: [ 530.712554] [<c01700d0>]
(__blkdev_get+0x29c/0x3c4) from [<c0170040>] (__blkdev_get+0x20c/0x3c4)
Sep 25 19:10:05 ubuntu kernel: [ 530.712615] [<c0170040>]
(__blkdev_get+0x20c/0x3c4) from [<c0170364>] (blkdev_get+0x16c/0x2cc)
Sep 25 19:10:05 ubuntu kernel: [ 530.712646] [<c0170364>]
(blkdev_get+0x16c/0x2cc) from [<c0170540>] (blkdev_open+0x7c/0x88)
Sep 25 19:10:05 ubuntu kernel: [ 530.712707] [<c0170540>]
(blkdev_open+0x7c/0x88) from [<c013a9cc>] (__dentry_open+0x1ec/0x2c8)
Sep 25 19:10:05 ubuntu kernel: [ 530.712768] [<c013a9cc>]
(__dentry_open+0x1ec/0x2c8) from [<c013aaec>] (vfs_open+0x44/0x48)
Sep 25 19:10:05 ubuntu kernel: [ 530.712829] [<c013aaec>] (vfs_open+0x44/0x48)
from [<c013ac28>] (nameidata_to_filp+0x4c/0x8c)
Sep 25 19:10:05 ubuntu kernel: [ 530.712890] [<c013ac28>]
(nameidata_to_filp+0x4c/0x8c) from [<c0149b08>] (do_last+0x8b0/0x8ec)
Sep 25 19:10:05 ubuntu kernel: [ 530.712921] [<c0149b08>]
(do_last+0x8b0/0x8ec) from [<c0149d4c>] (path_openat+0xc8/0x3ac)
Sep 25 19:10:05 ubuntu kernel: [ 530.712951] [<c0149d4c>]
(path_openat+0xc8/0x3ac) from [<c014a154>] (do_filp_open+0x3c/0x88)
Sep 25 19:10:05 ubuntu kernel: [ 530.713012] [<c014a154>]
(do_filp_open+0x3c/0x88) from [<c013ad60>] (do_sys_open+0xf8/0x220)
Sep 25 19:10:05 ubuntu kernel: [ 530.713043] [<c013ad60>]
(do_sys_open+0xf8/0x220) from [<c013aeb8>] (sys_open+0x30/0x34)
Sep 25 19:10:05 ubuntu kernel: [ 530.713073] [<c013aeb8>] (sys_open+0x30/0x34)
from [<c000df80>] (ret_fast_syscall+0x0/0x30)
Sep 25 19:10:05 ubuntu kernel: [ 530.713104] ---[ end trace e7f622a7c2a77762
]---
Assigning the kernel team.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1056410
Title:
resizing exiting drive partitions on ARM Quantal does not work
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