Thanks Joel/Casey. Smack was not enabled in the kernel and enabling it results in kernel panic on boot while mounting something after loading smack policies and systemd exits. I have enabled all the kernel configs from systemd readme. Is there anything else that I missed?
Log follows [ 3.820861] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null) [ 3.829498] VFS: Mounted root (ext4 filesystem) on device 179:2. [ 3.837249] devtmpfs: mounted [ 3.840698] Freeing init memory: 376K [ 4.277008] systemd[1]: Successfully loaded Smack policies. [ 4.284820] systemd[1]: Successfully loaded Smack/CIPSO policies. [ 4.305297] tmpfs: Bad mount option smackfstransmute [ 4.401947] Unable to handle kernel NULL pointer dereference at virtual address 00000028 [ 4.410461] pgd = edf88000 [ 4.413330] [00000028] *pgd=ac840831, *pte=00000000, *ppte=00000000 [ 4.419952] Internal error: Oops: 17 [#1] PREEMPT SMP ARM [ 4.425659] Modules linked in: [ 4.428863] CPU: 1 Not tainted (3.8.13-53369-g6dbdea7 #8) [ 4.434936] PC is at __lock_acquire+0x58/0x1a9c [ 4.439727] LR is at lock_acquire+0x9c/0x128 [ 4.444244] pc : [<c0091148>] lr : [<c00930a4>] psr: 20000093 [ 4.444244] sp : ed897c60 ip : 00000001 fp : c0e4a1f4 [ 4.456329] r10: 00000000 r9 : 00000000 r8 : c0e5c16c [ 4.461853] r7 : ed8953c0 r6 : c0e91adc r5 : 00000028 r4 : 00000002 [ 4.468719] r3 : 00000000 r2 : 00000000 r1 : 60000093 r0 : 00000028 [ 4.475616] Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user [ 4.483245] Control: 10c53c7d Table: adf8806a DAC: 00000015 [ 4.489288] Process systemd (pid: 1, stack limit = 0xed896240) [ 4.495452] Stack: (0xed897c60 to 0xed898000) [ 4.500030] 7c60: ed8953c0 c060b3c8 c0f50058 ed8958a8 c13daddc c009097c ed896000 c0c6f3b0 [ 4.508666] 7c80: ed895890 00000005 c0e91adc ed8953c0 c0e5c16c c0091f00 c0f54018 00000000 [ 4.517303] 7ca0: 0000003d c0091384 c0e91adc ed8958a8 ed896000 00000004 c007c4e7 26f13609 [ 4.525939] 7cc0: 00000001 00000000 c0f54128 00000000 00000001 00000000 ed896000 00000028 [ 4.534545] 7ce0: 00000000 00000000 00000000 00000000 c013157c c00930a4 00000002 00000000 [ 4.543182] 7d00: 00000000 c013157c 00000000 c00938a4 60000013 c00938a4 00000000 00000018 [ 4.551818] 7d20: c013157c 00000018 c0c9624c ede79880 ed249f3c 00000100 c0e4ac04 c05fcfcc [ 4.560455] 7d40: 00000002 00000000 c013157c 000080d0 000080d0 ede79880 00000010 c013157c [ 4.569091] 7d60: 00000100 ede79880 ed24ab88 c0c9624c ed249ee8 c0c964cc c0c964cc c02959a8 [ 4.577728] 7d80: 00000000 ec819640 ed24ab88 ec81964c ed249ee8 c0295dd4 ed24abe0 ed249ee8 [ 4.586364] 7da0: ed24abe0 00020001 ed249ee8 ed24ab88 00008000 00000001 ed816018 ed249ee8 [ 4.595001] 7dc0: 00000000 c02935a8 00000000 c00a3f18 ed816018 edf66ac0 ed249d98 c00a4fcc [ 4.603637] 7de0: 00000000 00000000 ed897e4c 61749978 00736b73 00000000 00000000 00000000 [ 4.612274] 7e00: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.620910] 7e20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.629547] 7e40: 00000000 00000000 00000000 00000000 000000d0 00000001 ed816018 ed816018 [ 4.638183] 7e60: edf7c000 ed816000 c13a5a24 ed24ae28 00000000 c00a5780 00000080 00000000 [ 4.646820] 7e80: 00000001 ed816018 ed97c7c0 edf7c000 ed816000 c00a5d0c ed897eac c00dc97c [ 4.655456] 7ea0: 00000001 ed897ea4 ed897ea4 00000000 00000002 00000000 00000000 edff65c0 [ 4.664093] 7ec0: 00000001 ed816000 00000000 edf38000 edff68c0 c0e4afbc c0e4afbc 00000000 [ 4.672729] 7ee0: edf39000 c0113d34 00000000 c012b7d4 edcc5600 edff68c0 00000000 c0e4afbc [ 4.681365] 7f00: edf38000 00000000 00000027 c012bc90 c0e4afbc edf38000 edff68c0 edff6980 [ 4.690002] 7f20: c0e480c4 c012db14 edf38000 c0092ea4 00095c3b edf38000 edcc5790 ed249e40 [ 4.698638] 7f40: 00000000 ed897f8c 00001000 c012d8c8 edff68c0 00000000 ed8f5000 00094c1c [ 4.707275] 7f60: 0000000e c0013928 ed896000 00000000 bedcdef4 c012e310 edf38000 c0093a4c [ 4.715911] 7f80: 0000000e edff6980 edff68c0 edf38000 00000015 00094c3c 00000001 00094938 [ 4.724548] 7fa0: 00000015 c0013780 00094c3c 00000001 00094c1c 00093990 00094c1c 0000000e [ 4.733184] 7fc0: 00094c3c 00000001 00094938 00000015 00094954 00093990 bedcda60 bedcdef4 [ 4.741821] 7fe0: 000c5d3c bedcd928 00040745 b6e049f0 600f0010 00094c1c 00800000 01010010 [ 4.750457] [<c0091148>] (__lock_acquire+0x58/0x1a9c) from [<c00930a4>] (lock_acquire+0x9c/0x128) [ 4.759857] [<c00930a4>] (lock_acquire+0x9c/0x128) from [<c05fcfcc>] (_raw_spin_lock+0x34/0x44) [ 4.769012] [<c05fcfcc>] (_raw_spin_lock+0x34/0x44) from [<c013157c>] (simple_xattr_get+0x20/0x90) [ 4.778472] [<c013157c>] (simple_xattr_get+0x20/0x90) from [<c02959a8>] (smk_fetch+0x58/0x90) [ 4.787475] [<c02959a8>] (smk_fetch+0x58/0x90) from [<c0295dd4>] (smack_d_instantiate+0xec/0x284) [ 4.796844] [<c0295dd4>] (smack_d_instantiate+0xec/0x284) from [<c02935a8>] (security_d_instantiate+0x1c/0x34) [ 4.807403] [<c02935a8>] (security_d_instantiate+0x1c/0x34) from [<c00a3f18>] (cgroup_create_file.part.17+0x40/0x108) [ 4.818603] [<c00a3f18>] (cgroup_create_file.part.17+0x40/0x108) from [<c00a4fcc>] (cgroup_addrm_files+0x158/0x2e0) [ 4.829620] [<c00a4fcc>] (cgroup_addrm_files+0x158/0x2e0) from [<c00a5780>] (cgroup_populate_dir+0x110/0x120) [ 4.840087] [<c00a5780>] (cgroup_populate_dir+0x110/0x120) from [<c00a5d0c>] (cgroup_mount+0x3f8/0x48c) [ 4.850006] [<c00a5d0c>] (cgroup_mount+0x3f8/0x48c) from [<c0113d34>] (mount_fs+0x44/0x184) [ 4.858825] [<c0113d34>] (mount_fs+0x44/0x184) from [<c012bc90>] (vfs_kern_mount+0x4c/0xc0) [ 4.867645] [<c012bc90>] (vfs_kern_mount+0x4c/0xc0) from [<c012db14>] (do_mount+0x198/0x910) [ 4.876556] [<c012db14>] (do_mount+0x198/0x910) from [<c012e310>] (sys_mount+0x84/0xb8) [ 4.885009] [<c012e310>] (sys_mount+0x84/0xb8) from [<c0013780>] (ret_fast_syscall+0x0/0x3c) [ 4.893920] Code: e59f6eac e5961000 e3510000 0a000030 (e595c000) [ 4.900360] ---[ end trace d838e039c440e58e ]--- [ 4.905242] note: systemd[1] exited with preempt_count 1 [ 4.911437] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 4.911437] [ 4.921112] CPU0: stopping [ 4.923980] [<c001b4a8>] (unwind_backtrace+0x0/0xf0) from [<c00193e8>] (handle_IPI+0x140/0x16c) [ 4.933135] [<c00193e8>] (handle_IPI+0x140/0x16c) from [<c000852c>] (gic_handle_irq+0x54/0x5c) [ 4.942230] [<c000852c>] (gic_handle_irq+0x54/0x5c) from [<c05fdc64>] (__irq_svc+0x44/0x7c) [ 4.951019] Exception stack(0xc0dc1f58 to 0xc0dc1fa0) [ 4.956359] 1f40: c00148f8 00000000 [ 4.964965] 1f60: 0000fc0c c0031e28 c0dc0000 c0dc0000 c0e8f048 c0609c20 c0dc0000 00000000 [ 4.973602] 1f80: c0dcd010 00000000 60000113 c0dc1fa0 c00148f8 c00148fc 60000113 ffffffff [ 4.982238] [<c05fdc64>] (__irq_svc+0x44/0x7c) from [<c00148fc>] (default_idle+0x20/0x3c) [ 4.990844] [<c00148fc>] (default_idle+0x20/0x3c) from [<c0014a80>] (cpu_idle+0x54/0x10c) [ 4.999481] [<c0014a80>] (cpu_idle+0x54/0x10c) from [<c0d617c0>] (start_kernel+0x2b4/0x304) [ 5.008300] drm_kms_helper: panic occurred, switching back to text console Regards Kishore M.R 2014-04-08 20:54 GMT+05:30 Schaufler, Casey <[email protected]>: > Please try: > > > > # ls -lZ /lib/firmware > > And > > > > # chsmack /lib/firmware/* > > > > These should report that the Smack label is "_". If they report "System" > or "User" use > > > > # chsmack -a "_" *pathname* > > to set it. > > > > *From:* Clark, Joel > *Sent:* Tuesday, April 08, 2014 1:06 AM > *To:* Kishore Sheik Ahamed; [email protected] > *Cc:* Schaufler, Casey > *Subject:* RE: Firmware will not load from filesystem during boot > > > > Access control is via SMACK. The firmware modules must have a floor SMACK > label to be loaded. > > For more information please see > https://wiki.tizen.org/wiki/Security:SmackThreeDomainModel > > And https://wiki.tizen.org/wiki/Security > > > > Regards > > Joel > > > > > > *From:* [email protected] > [mailto:[email protected]<[email protected]>] > *On Behalf Of *Kishore Sheik Ahamed > *Sent:* Monday, April 07, 2014 12:23 AM > *To:* [email protected] > *Subject:* Firmware will not load from filesystem during boot > > > > Hi > > I have a tizen 3.0 ivi armv7hl build which boots to console. > > Some of the kernel drivers try to load firmwares for peripherals from* > /lib/firmware* during boot from the file system. > > This action fails as there is no access to those files in the location. > > On building the kernel binary image with those firmwares works perfect. > > Is there any file system restriction or any kernel feature to be enabled > for file system access in tizen 3.0? > > > > > PS:This works as intended on the older tizen 2.2. builds. > > > > Regards > > Kishore M.R > > > > > > >
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