Public bug reported: Everytime ksysguardd is started, it causes a kernel oops. Unable to reproduce this on armel system or on a UP armhf system.
[ 8706.890319] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 8706.890319] pgd = eeee4000 [ 8706.890319] [00000000] *pgd=ace29831, *pte=00000000, *ppte=00000000 [ 8706.890319] Internal error: Oops: 17 [#58] PREEMPT SMP [ 8706.898345] Modules linked in: cpufreq_ondemand ppdev dm_crypt lp parport bnep rfcomm bluetooth wl12xx_sdio wl12xx mac80211 joydev cfg80211 dm_multipath leds_gpio dm_raid45 xor dm_mirror dm_region_hash dm_log btrfs zlib_deflate libcrc32c usbhid [ 8706.898345] CPU: 1 Tainted: G D W (3.2.0-1405-omap4 #7-Ubuntu) [ 8706.898498] PC is at vsnprintf+0x350/0x38c [ 8706.898529] LR is at sprintf+0x28/0x30 [ 8706.898529] pc : [<c030386c>] lr : [<c03038d0>] psr: 200f0113 [ 8706.898529] sp : ee86fe48 ip : ee86fe98 fp : ee86fe94 [ 8706.898559] r10: 00000000 r9 : 00000000 r8 : ecb67000 [ 8706.898590] r7 : ecb67000 r6 : c063f190 r5 : ffffffff r4 : ee86feb8 [ 8706.898590] r3 : ee86feb8 r2 : 13498fff r1 : 7fffffff r0 : ecb67000 [ 8706.898620] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 8706.898620] Control: 10c5387d Table: aeee404a DAC: 00000015 [ 8706.898651] Process ksysguardd (pid: 18919, stack limit = 0xee86e2f8) [ 8706.898681] Stack: (0xee86fe48 to 0xee870000) [ 8706.898681] fe40: 00000000 ee7fc1c0 ecd36270 b6fc3000 ee86fe8c 13498fff [ 8706.898681] fe60: 00000000 00000000 000280d0 ecb67000 ee545690 c063f190 ee529410 00001000 [ 8706.898742] fe80: 00000000 b6fbd000 ee86feb0 ee86fe98 c03038d0 c0303528 ee86e000 ee86feb8 [ 8706.898742] fea0: ecc4c0a8 ee86fed4 ee86fec0 c045d8c8 c03038b8 00000000 ecb67000 ee50f400 [ 8706.898742] fec0: c045d89c c09977dc ee86feec ee86fed8 c038e25c c045d8a8 ece91240 ee545690 [ 8706.898742] fee0: ee86ff0c ee86fef0 c0194ed4 c038e238 ecc4c0a0 ece91240 ee86ff70 ece91258 [ 8706.898742] ff00: ee86ff3c ee86ff10 c0194f80 c0194e5c ee86ff2c ee86ff20 00001000 ecc4c0a0 [ 8706.898864] ff20: b6fbd000 ee86ff70 00000000 00000000 ee86ff6c ee86ff40 c012e218 c0194f30 [ 8706.898895] ff40: ee86e000 b6fbd000 00001000 ecc4c0a0 b6fbd000 00001000 00000003 00000000 [ 8706.898895] ff60: ee86ffa4 ee86ff70 c012e330 c012e164 00000000 00000000 00000022 00000000 [ 8706.898895] ff80: ffffffff 008cc248 b6f7ec78 00000000 c000dee8 ee86e000 00000000 ee86ffa8 [ 8706.898956] ffa0: c000dc60 c012e2f0 008cc248 b6f7ec78 00000004 b6fbd000 00001000 00000000 [ 8706.898956] ffc0: 008cc248 b6f7ec78 00000000 00000003 bef7e7ac 0000000a bef7e7ac 00000000 [ 8706.899017] ffe0: 00000000 bef7e60c b6ef3355 b6f283fc 400f0110 00000004 00000000 00000000 [ 8706.899017] [<c030386c>] (vsnprintf+0x350/0x38c) from [<c03038d0>] (sprintf+0x28/0x30) [ 8706.899017] [<c03038d0>] (sprintf+0x28/0x30) from [<c045d8c8>] (show_name+0x2c/0x30) [ 8706.899017] [<c045d8c8>] (show_name+0x2c/0x30) from [<c038e25c>] (dev_attr_show+0x30/0x54) [ 8706.899017] [<c038e25c>] (dev_attr_show+0x30/0x54) from [<c0194ed4>] (fill_read_buffer+0x84/0xd4) [ 8706.899017] [<c0194ed4>] (fill_read_buffer+0x84/0xd4) from [<c0194f80>] (sysfs_read_file+0x5c/0x98) [ 8706.899017] [<c0194f80>] (sysfs_read_file+0x5c/0x98) from [<c012e218>] (vfs_read+0xc0/0x18c) [ 8706.899017] [<c012e218>] (vfs_read+0xc0/0x18c) from [<c012e330>] (sys_read+0x4c/0x78) [ 8706.899017] [<c012e330>] (sys_read+0x4c/0x78) from [<c000dc60>] (ret_fast_syscall+0x0/0x30) [ 8706.899017] Code: e1a01005 ebfffd07 e1a08000 e1a0a006 (e5da3000) [ 8706.899322] ---[ end trace da227214a82491f3 ]--- ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: ksysguardd 4:4.8.0b-0ubuntu1 ProcVersionSignature: User Name 3.2.0-1405.7-omap4 3.2.1 Uname: Linux 3.2.0-1405-omap4 armv7l ApportVersion: 1.91-0ubuntu1 Architecture: armhf Date: Wed Feb 1 17:59:08 2012 ProcEnviron: LANGUAGE= LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: kde-workspace UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: kde-workspace (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug armhf iso-testing precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/925246 Title: ksysguardd is causing a kernel oops on armhf only To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kde-workspace/+bug/925246/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs