linux-kernel - Re: [ANNOUNCE] 4.4-rc6-rt1 (arm64)

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Date:	Wed, 13 Jan 2016 11:45:54 +0000
From:	"Jaggi, Manish" <Manish.Jaggi@...iumnetworks.com>
To:	Mike Galbraith <umgwanakikbuti@...il.com>,
	Clark Williams <williams@...hat.com>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [ANNOUNCE] 4.4-rc6-rt1 (arm64)

Hi All,

I am trying to boot linux kernel 4.4.rc7 with the 4.4-rc6-rt1 patch on Cavium thunderX arm64 platform
Below is the bootlog with errors.  




......

 
ata4: SATA link down (SStatus 0 SControl 300)
ata2: SATA link down (SStatus 0 SControl 300)
ata3: SATA link down (SStatus 0 SControl 300)
ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata1.00: ATA-8: WDC WD5003ABYZ-011FA0, 01.01S03, max UDMA/133
ata1.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32), AA
ata1.00: configured for UDMA/133
scsi 0:0:0:0: Direct-Access     ATA      WDC WD5003ABYZ-0 1S03 PQ: 0 ANSI: 5
sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sda: sda1 sda2 sda3
sd 0:0:0:0: [sda] Attached SCSI disk
EXT4-fs (sda2): mounting ext3 file system using the ext4 subsystem
sched: RT throttling activated
NOHZ: local_softirq_pending 02
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
NOHZ: local_softirq_pending 82
ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen
ata1.00: failed command: READ FPDMA QUEUED
ata1.00: cmd 60/08:70:00:08:20/00:00:00:00:00/40 tag 14 ncq 4096 in
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata1.00: status: { DRDY }
ata1: hard resetting link
ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
ata1.00: qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata1.00: revalidation failed (errno=-5)
ata1: hard resetting link
ata1.00: qc timeout (cmd 0xec)
ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
ata1.00: revalidation failed (errno=-5)
ata1.00: disabled
ata1.00: device reported invalid CHS sector 0
ata1: hard resetting link
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 320)
ata1: EH complete
sd 0:0:0:0: [sda] tag#16 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00
sd 0:0:0:0: [sda] tag#16 CDB: opcode=0x28 28 00 00 20 08 00 00 00 08 00
blk_update_request: I/O error, dev sda, sector 2099200
EXT4-fs (sda2): Can't read superblock on 2nd try
sd 0:0:0:0: [sda] tag#18 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00
sd 0:0:0:0: [sda] tag#18 CDB: opcode=0x28 28 00 00 20 08 02 00 00 02 00
blk_update_request: I/O error, dev sda, sector 2099202
EXT4-fs (sda2): unable to read superblock
sd 0:0:0:0: [sda] tag#20 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00
sd 0:0:0:0: [sda] tag#20 CDB: opcode=0x28 28 00 00 20 08 02 00 00 02 00
blk_update_request: I/O error, dev sda, sector 2099202
EXT2-fs (sda2): error: unable to read superblock
sd 0:0:0:0: [sda] tag#22 UNKNOWN(0x2003) Result: hostbyte=0x04 driverbyte=0x00
sd 0:0:0:0: [sda] tag#22 CDB: opcode=0x28 28 00 00 20 08 00 00 00 01 00
blk_update_request: I/O error, dev sda, sector 2099200
FAT-fs (sda2): unable to read boot sector
VFS: Cannot open root device "sda2" or unknown-block(8,2): error -5
Please append a correct "root=" boot option; here are the available partitions:
0800       488386584 sda  driver: sd
  0801         1048576 sda1 60ff81a8-b24d-49ac-bcf4-c8dd8fc66cba
  0802        33800192 sda2 7549f29b-11b1-4284-9d21-efd6a9d8dfc1
  0803       453536768 sda3 92c94e3c-2c71-4e1b-82d4-804bb7a68b8a


  0802        33800192 sda2 7549f29b-11b1-4284-9d21-efd6a9d8dfc1                                                                                    
  0803       453536768 sda3 92c94e3c-2c71-4e1b-82d4-804bb7a68b8a
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,2)
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.4.0-rc7-rt1+ #11Call trace:
[<fffffe0000096a3c>] dump_backtrace+0x0/0x11c
[<fffffe0000096b6c>] show_stack+0x14/0x1c
[<fffffe000030a37c>] dump_stack+0x88/0xa8
[<fffffe000014be34>] panic+0xf0/0x23c
[<fffffe0000850ec4>] mount_block_root+0x1b8/0x25c
[<fffffe0000851090>] mount_root+0x128/0x144
[<fffffe00008511e8>] prepare_namespace+0x13c/0x184
[<fffffe0000850b54>] kernel_init_freeable+0x1d0/0x1f4
[<fffffe00005c7524>] kernel_init+0x10/0xd8
[<fffffe0000093980>] ret_from_fork+0x10/0x50
CPU2: stopping