Full syslog in this thread:

http://lime-technology.com/forum/index.php?topic=29016.0

 

Unable to upgrade disk.

 

Aug 22 19:33:25 Tower emhttp: Start array...

Aug 22 19:33:25 Tower kernel: mdcmd (56): start UPGRADE_DISK

Aug 22 19:33:25 Tower kernel: md: do_run: lock_rdev error: -6

Aug 22 19:33:25 Tower kernel: md1: stopping

Aug 22 19:33:25 Tower kernel: BUG: unable to handle kernel NULL pointer dereference at 000001d4

Aug 22 19:33:25 Tower kernel: IP: [<f867412c>] do_stop+0x54/0xd4 [md_mod]

Aug 22 19:33:25 Tower kernel: *pdpt = 0000000037490001 *pde = 0000000000000000

Aug 22 19:33:25 Tower kernel: Oops: 0000 [#1] SMP

Aug 22 19:33:25 Tower kernel: Modules linked in: md_mod sg mvsas coretemp libsas hwmon scsi_transport_sas ata_piix i2c_i801 i2c_core e1000e ptp pps_core [last unloaded: md_mod]

Aug 22 19:33:25 Tower kernel: Pid: 1300, comm: emhttp Not tainted 3.9.6p-unRAID #23 Supermicro X8SIL/X8SIL

Aug 22 19:33:25 Tower kernel: EIP: 0060:[<f867412c>] EFLAGS: 00210292 CPU: 1

Aug 22 19:33:25 Tower kernel: EIP is at do_stop+0x54/0xd4 [md_mod]

Aug 22 19:33:25 Tower kernel: EAX: 0000000d EBX: 00000000 ECX: 00000006 EDX: f33b070c

Aug 22 19:33:25 Tower kernel: ESI: f70d8000 EDI: f70d8000 EBP: f2629d68 ESP: f2629d44

Aug 22 19:33:25 Tower kernel:  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068

Aug 22 19:33:25 Tower kernel: CR0: 8005003b CR2: 000001d4 CR3: 326c5000 CR4: 000007f0

Aug 22 19:33:25 Tower kernel: DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000

Aug 22 19:33:25 Tower kernel: DR6: ffff0ff0 DR7: 00000400

Aug 22 19:33:25 Tower kernel: Process emhttp (pid: 1300, ti=f2628000 task=f2577620 task.ti=f2628000)

Aug 22 19:33:25 Tower kernel: Stack:

Aug 22 19:33:25 Tower kernel:  f86795e8 00000001 00000001 0000079d f70d8000 f70d900c f70d8000 fffffffa

Aug 22 19:33:25 Tower kernel:  00000080 f2629d90 f86769a2 f2629d90 f2629dc6 f2629d90 f8674bb0 f867a24b

Aug 22 19:33:25 Tower kernel:  f2629db4 f2789780 fffffffb f2629f18 f8677040 f867a257 00000038 f2629db4

Aug 22 19:33:25 Tower kernel: Call Trace:

Aug 22 19:33:25 Tower kernel:  [<f86769a2>] T.1243+0x522/0x543 [md_mod]

Aug 22 19:33:25 Tower kernel:  [<f8674bb0>] ? get_token+0x43/0x62 [md_mod]

Aug 22 19:33:25 Tower kernel:  [<f8677040>] md_proc_write+0x495/0x695 [md_mod]

Aug 22 19:33:25 Tower kernel:  [<c10a49ee>] ? __d_instantiate+0x79/0xbc

Aug 22 19:33:25 Tower kernel:  [<c10a50ac>] ? d_rehash+0x15/0x1c

Aug 22 19:33:25 Tower kernel:  [<c10d12ac>] ? proc_lookup_de+0x6f/0x8b

Aug 22 19:33:25 Tower kernel:  [<c10ce3e9>] ? proc_reg_open+0x2a/0xf2

Aug 22 19:33:25 Tower kernel:  [<f86740b9>] ? md_proc_open+0xd/0x1b [md_mod]

Aug 22 19:33:25 Tower kernel:  [<c10ce451>] ? proc_reg_open+0x92/0xf2

Aug 22 19:33:25 Tower kernel:  [<f86740c7>] ? md_proc_open+0x1b/0x1b [md_mod]

Aug 22 19:33:25 Tower kernel:  [<c10ce3bf>] ? proc_fill_super+0x76/0x76

Aug 22 19:33:25 Tower kernel:  [<c10951d4>] ? do_dentry_open+0x157/0x1eb

Aug 22 19:33:25 Tower kernel:  [<c10ab93c>] ? mntput_no_expire+0x27/0xe9

Aug 22 19:33:25 Tower kernel:  [<c10aba1a>] ? mntput+0x1c/0x1e

Aug 22 19:33:25 Tower kernel:  [<c109d5a4>] ? path_put+0x15/0x18

Aug 22 19:33:25 Tower kernel:  [<c109d5b7>] ? terminate_walk+0x10/0x32

Aug 22 19:33:25 Tower kernel:  [<c10a0580>] ? do_last+0x4b6/0x573

Aug 22 19:33:25 Tower kernel:  [<c10ab93c>] ? mntput_no_expire+0x27/0xe9

Aug 22 19:33:25 Tower kernel:  [<c10aba1a>] ? mntput+0x1c/0x1e

Aug 22 19:33:25 Tower kernel:  [<c109d5a4>] ? path_put+0x15/0x18

Aug 22 19:33:25 Tower kernel:  [<c10a0922>] ? path_openat+0x2e5/0x334

Aug 22 19:33:25 Tower kernel:  [<c10a0a44>] ? do_filp_open+0x26/0x67

Aug 22 19:33:25 Tower kernel:  [<c10d0f9f>] proc_file_write+0x4e/0x61

Aug 22 19:33:25 Tower kernel:  [<c10ce738>] proc_reg_write+0x5c/0x6f

Aug 22 19:33:25 Tower kernel:  [<c10d0f51>] ? __proc_create+0xb5/0xb5

Aug 22 19:33:25 Tower kernel:  [<c1096ced>] vfs_write+0x8e/0x110

Aug 22 19:33:25 Tower kernel:  [<c10ce6dc>] ? proc_reg_poll+0x5b/0x5b

Aug 22 19:33:25 Tower kernel:  [<c1096e11>] sys_write+0x43/0x6e

Aug 22 19:33:25 Tower kernel:  [<c1403178>] syscall_call+0x7/0xb

Aug 22 19:33:25 Tower kernel: Code: 00 00 04 74 4d 8b 87 14 01 00 00 8d 90 9c 07 00 00 8b 5c 96 0c 89 55 e8 89 4d e4 89 44 24 04 c7 04 24 e8 95 67 f8 e8 a4 ce d8 c8 <8b> 83 d4 01 00 00 e8 2b 4b bd c8 89 d8 e8 ed b6 bd c8 89 d8 e8

Aug 22 19:33:25 Tower kernel: EIP: [<f867412c>] do_stop+0x54/0xd4 [md_mod] SS:ESP 0068:f2629d44

Aug 22 19:33:25 Tower kernel: CR2: 00000000000001d4

Aug 22 19:33:25 Tower kernel: ---[ end trace b7521ce5b752f6e7 ]--

As indicated in referenced thread, I can see how the crash is happening and that has been fixed in 5.0.1, but I haven't reproduced the exact GPT issue that started it all (see the thread).

No further reports of this, so marking solved.