From: Sabrina Dubroca <sd@queasysnail.net>
To: Paul Moore <pmoore@redhat.com>, Stephen Rothwell <sfr@canb.auug.org.au>
Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-audit@redhat.com,
viro@zeniv.linux.org.uk, Richard Guy Briggs <rgb@redhat.com>
Subject: Re: linux-next: Tree for Jan 20 -- Kernel panic - Unable to mount root fs
Date: Tue, 20 Jan 2015 17:56:55 +0100 [thread overview]
Message-ID: <20150120165655.GA10904@kria> (raw)
In-Reply-To: <20150120185308.53f4af4e@canb.auug.org.au>
Hello,
Today's linux-next doesn't boot on my qemu VM:
[ 1.248357] scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 0 PQ: 0 ANSI: 5
[ 1.255899] sd 0:0:0:0: [sda] 8388608 512-byte logical blocks: (4.29 GB/4.00 GiB)
[ 1.258333] sd 0:0:0:0: [sda] Write Protect is off
[ 1.259475] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.268417] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.2. PQ: 0 ANSI: 5
[ 1.271673] sda: sda1
[ 1.281061] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.282320] VFS: Cannot open root device "sda1" or unknown-block(8,1): error -2
[ 1.283484] Please append a correct "root=" boot option; here are the available partitions:
[ 1.284748] 0100 4096 ram0 (driver?)
[ 1.285479] 0101 4096 ram1 (driver?)
[ 1.286218] 0102 4096 ram2 (driver?)
[ 1.286992] 0103 4096 ram3 (driver?)
[ 1.287741] 0104 4096 ram4 (driver?)
[ 1.288640] 0105 4096 ram5 (driver?)
[ 1.289394] 0106 4096 ram6 (driver?)
[ 1.290195] 0107 4096 ram7 (driver?)
[ 1.290962] 0108 4096 ram8 (driver?)
[ 1.291695] 0109 4096 ram9 (driver?)
[ 1.292404] 010a 4096 ram10 (driver?)
[ 1.293114] 010b 4096 ram11 (driver?)
[ 1.293922] 010c 4096 ram12 (driver?)
[ 1.294643] 010d 4096 ram13 (driver?)
[ 1.295401] 010e 4096 ram14 (driver?)
[ 1.296167] 010f 4096 ram15 (driver?)
[ 1.296975] 0800 4194304 sda driver: sd
[ 1.297697] 0801 4194272 sda1 00000000-01
[ 1.298418] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
[ 1.300034] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150120-dirty #410
[ 1.300039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140617_173321-var-lib-archbuild-testing-x86_64-tobias 04/01/2014
[ 1.300039] ffffea0000001340 ffff88001f673dd8 ffffffff817e1197 000000000000004e
[ 1.300039] ffffffff81a6f2c8 ffff88001f673e58 ffffffff817dfd43 ffffffff81c9a860
[ 1.300039] ffff880000000010 ffff88001f673e68 ffff88001f673e08 ffff000031616473
[ 1.300039] Call Trace:
[ 1.300039] [<ffffffff817e1197>] dump_stack+0x4f/0x7b
[ 1.300039] [<ffffffff817dfd43>] panic+0xd2/0x217
[ 1.300039] [<ffffffff81efd58b>] mount_block_root+0x200/0x28d
[ 1.300039] [<ffffffff81efd78b>] mount_root+0x54/0x58
[ 1.300039] [<ffffffff81efd8f7>] prepare_namespace+0x168/0x1a1
[ 1.300039] [<ffffffff81efd2b1>] kernel_init_freeable+0x29d/0x2ad
[ 1.300039] [<ffffffff817d7440>] ? rest_init+0x140/0x140
[ 1.300039] [<ffffffff817d744e>] kernel_init+0xe/0xf0
[ 1.300039] [<ffffffff817eb87c>] ret_from_fork+0x7c/0xb0
[ 1.300039] [<ffffffff817d7440>] ? rest_init+0x140/0x140
[ 1.300039] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)
[ 1.300039] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
I bisected it down to:
5dc5218840e1 fs: create proper filename objects using getname_kernel()
I reverted then reapplied each part of that patch. It works if I
leave out the hunk for do_path_lookup:
diff --git a/fs/namei.c b/fs/namei.c
index eeb3b83661f8..c3d21b79090e 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2001,9 +2001,15 @@ static int filename_lookup(int dfd, struct filename *name,
static int do_path_lookup(int dfd, const char *name,
unsigned int flags, struct nameidata *nd)
{
- struct filename filename = { .name = name };
+ int retval;
+ struct filename *filename;
- return filename_lookup(dfd, &filename, flags, nd);
+ filename = getname_kernel(name);
+ if (unlikely(IS_ERR(filename)))
+ return PTR_ERR(filename);
+ retval = filename_lookup(dfd, filename, flags, nd);
+ putname(filename);
+ return retval;
}
/* does lookup, returns the object with parent locked */
I don't know what other info you may need.
Full dmesg for the failed boot included below.
Thanks.
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 3.19.0-rc5-next-20150120-dirty (zappy@kria) (gcc version 4.9.2 20141224 (prerelease) (GCC) ) #410 SMP PREEMPT Tue Jan 20 17:27:49 CET 2015
[ 0.000000] Command line: root=/dev/sda1 console=ttyS0
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001ffdffff] usable
[ 0.000000] BIOS-e820: [mem 0x000000001ffe0000-0x000000001fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.8 present.
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] AGP: No AGP bridge found
[ 0.000000] e820: last_pfn = 0x1ffe0 max_arch_pfn = 0x400000000
[ 0.000000] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC
[ 0.000000] found SMP MP-table at [mem 0x000f1010-0x000f101f] mapped at [ffff8800000f1010]
[ 0.000000] Scanning 1 areas for low memory corruption
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] init_memory_mapping: [mem 0x1fc00000-0x1fdfffff]
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fbfffff]
[ 0.000000] init_memory_mapping: [mem 0x1fe00000-0x1ffdffff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F0DD0 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x000000001FFE18BC 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0x000000001FFE0E48 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0x000000001FFE0040 000E08 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACS 0x000000001FFE0000 000040
[ 0.000000] ACPI: SSDT 0x000000001FFE0EBC 000948 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0x000000001FFE1804 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] ACPI: HPET 0x000000001FFE1884 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001)
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:1ffdf001, primary cpu clock
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x000000001ffdffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x000000001ffdffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffdffff]
[ 0.000000] ACPI: PM-Timer IO Port: 0x608
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.000000] e820: [mem 0x20000000-0xfeffbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 480 pages/cpu @ffff88001f800000 s1927448 r8192 d30440 u2097152
[ 0.000000] KVM setup async PF for cpu 0
[ 0.000000] kvm-stealtime: cpu 0, msr 1f80d480
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 128873
[ 0.000000] Kernel command line: root=/dev/sda1 console=ttyS0
[ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x340 using standard form
[ 0.000000] AGP: Checking aperture...
[ 0.000000] AGP: No AGP bridge found
[ 0.000000] Memory: 474712K/523768K available (8132K kernel code, 1165K rwdata, 3512K rodata, 3448K init, 17440K bss, 49056K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] RCU dyntick-idle grace-period acceleration is enabled.
[ 0.000000] RCU lockdep checking is enabled.
[ 0.000000] RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=2.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] Running RCU self tests
[ 0.000000] NR_IRQS:4352 nr_irqs:440 16
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] console [ttyS0] enabled
[ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.000000] ... MAX_LOCK_DEPTH: 48
[ 0.000000] ... MAX_LOCKDEP_KEYS: 8191
[ 0.000000] ... CLASSHASH_SIZE: 4096
[ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.000000] ... CHAINHASH_SIZE: 32768
[ 0.000000] memory used by lock dependency info: 8671 kB
[ 0.000000] per task-struct memory footprint: 2688 bytes
[ 0.000000] ------------------------
[ 0.000000] | Locking API testsuite:
[ 0.000000] ----------------------------------------------------------------------------
[ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem |
[ 0.000000] --------------------------------------------------------------------------
[ 0.000000] A-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] double unlock: ok | ok | ok | ok | ok | ok |
[ 0.000000] initialize held: ok | ok | ok | ok | ok | ok |
[ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok |
[ 0.000000] --------------------------------------------------------------------------
[ 0.000000] recursive read-lock: | ok | | ok |
[ 0.000000] recursive read-lock #2: | ok | | ok |
[ 0.000000] mixed read-write-lock: | ok | | ok |
[ 0.000000] mixed write-read-lock: | ok | | ok |
[ 0.000000] --------------------------------------------------------------------------
[ 0.000000] hard-irqs-on + irq-safe-A/12: ok | ok | ok |
[ 0.000000] soft-irqs-on + irq-safe-A/12: ok | ok | ok |
[ 0.000000] hard-irqs-on + irq-safe-A/21: ok | ok | ok |
[ 0.000000] soft-irqs-on + irq-safe-A/21: ok | ok | ok |
[ 0.000000] sirq-safe-A => hirqs-on/12: ok | ok | ok |
[ 0.000000] sirq-safe-A => hirqs-on/21: ok | ok | ok |
[ 0.000000] hard-safe-A + irqs-on/12: ok | ok | ok |
[ 0.000000] soft-safe-A + irqs-on/12: ok | ok | ok |
[ 0.000000] hard-safe-A + irqs-on/21: ok | ok | ok |
[ 0.000000] soft-safe-A + irqs-on/21: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/123: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/123: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/132: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/132: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/213: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/213: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/231: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/231: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/312: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/312: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #1/321: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #1/321: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/123: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/123: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/132: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/132: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/213: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/213: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/231: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/231: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/312: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/312: ok | ok | ok |
[ 0.000000] hard-safe-A + unsafe-B #2/321: ok | ok | ok |
[ 0.000000] soft-safe-A + unsafe-B #2/321: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/123: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/123: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/132: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/132: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/213: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/213: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/231: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/231: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/312: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/312: ok | ok | ok |
[ 0.000000] hard-irq lock-inversion/321: ok | ok | ok |
[ 0.000000] soft-irq lock-inversion/321: ok | ok | ok |
[ 0.000000] hard-irq read-recursion/123: ok |
[ 0.000000] soft-irq read-recursion/123: ok |
[ 0.000000] hard-irq read-recursion/132: ok |
[ 0.000000] soft-irq read-recursion/132: ok |
[ 0.000000] hard-irq read-recursion/213: ok |
[ 0.000000] soft-irq read-recursion/213: ok |
[ 0.000000] hard-irq read-recursion/231: ok |
[ 0.000000] soft-irq read-recursion/231: ok |
[ 0.000000] hard-irq read-recursion/312: ok |
[ 0.000000] soft-irq read-recursion/312: ok |
[ 0.000000] hard-irq read-recursion/321: ok |
[ 0.000000] soft-irq read-recursion/321: ok |
[ 0.000000] --------------------------------------------------------------------------
[ 0.000000] | Wound/wait tests |
[ 0.000000] ---------------------
[ 0.000000] ww api failures: ok | ok | ok |
[ 0.000000] ww contexts mixing: ok | ok |
[ 0.000000] finishing ww context: ok | ok | ok | ok |
[ 0.000000] locking mismatches: ok | ok | ok |
[ 0.000000] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok |
[ 0.000000] spinlock nest unlocked: ok |
[ 0.000000] -----------------------------------------------------
[ 0.000000] |block | try |context|
[ 0.000000] -----------------------------------------------------
[ 0.000000] context: ok | ok | ok |
[ 0.000000] try: ok | ok | ok |
[ 0.000000] block: ok | ok | ok |
[ 0.000000] spinlock: ok | ok | ok |
[ 0.000000] -------------------------------------------------------
[ 0.000000] Good, all 253 testcases passed! |
[ 0.000000] ---------------------------------
[ 0.000000] kmemleak: Kernel memory leak detector disabled
[ 0.000000] kmemleak: Early log buffer exceeded (2228), please increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE
[ 0.000000] tsc: Detected 3303.292 MHz processor
[ 0.006666] Calibrating delay loop (skipped) preset value.. 6609.85 BogoMIPS (lpj=11010973)
[ 0.006666] pid_max: default: 32768 minimum: 301
[ 0.006666] ACPI: Core revision 20141107
[ 0.076988] ACPI: All ACPI Tables successfully acquired
[ 0.077988] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.078786] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.081753] Initializing cgroup subsys blkio
[ 0.082252] Initializing cgroup subsys memory
[ 0.082840] Initializing cgroup subsys devices
[ 0.083373] Initializing cgroup subsys freezer
[ 0.083955] Initializing cgroup subsys net_cls
[ 0.084524] Initializing cgroup subsys net_prio
[ 0.085254] mce: CPU supports 10 MCE banks
[ 0.085914] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8
[ 0.086671] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0
[ 0.087727] debug: unmapping init [mem 0xffffffff82083000-0xffffffff82089fff]
[ 0.092658] ftrace: allocating 27092 entries in 106 pages
[ 0.100719] Enabling x2apic
[ 0.101162] Enabled x2apic
[ 0.103341] Switched APIC routing to physical x2apic.
[ 0.105119] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.105825] smpboot: CPU0: Intel(R) Core(TM) i3-3225 CPU @ 3.30GHz (fam: 06, model: 3a, stepping: 09)
[ 0.107730] Performance Events: 16-deep LBR, IvyBridge events, Intel PMU driver.
[ 0.108868] ... version: 2
[ 0.109434] ... bit width: 48
[ 0.109999] ... generic registers: 4
[ 0.109999] ... value mask: 0000ffffffffffff
[ 0.110006] ... max period: 000000007fffffff
[ 0.110758] ... fixed-purpose events: 3
[ 0.111331] ... event mask: 000000070000000f
[ 0.112681] KVM setup paravirtual spinlock
[ 0.126895] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.134087] x86: Booting SMP configuration:
[ 0.135065] .... node #0, CPUs: #1
[ 0.006666] kvm-clock: cpu 1, msr 0:1ffdf041, secondary cpu clock
[ 0.150115] x86: Booted up 1 node, 2 CPUs
[ 0.150112] KVM setup async PF for cpu 1
[ 0.150112] kvm-stealtime: cpu 1, msr 1fa0d480
[ 0.152395] smpboot: Total of 2 processors activated (13218.71 BogoMIPS)
[ 0.154047] devtmpfs: initialized
[ 0.167282] RTC time: 16:27:59, date: 01/20/15
[ 0.169276] NET: Registered protocol family 16
[ 0.183543] cpuidle: using governor ladder
[ 0.196768] cpuidle: using governor menu
[ 0.197725] ACPI: bus type PCI registered
[ 0.198468] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.200852] PCI: Using configuration type 1 for base access
[ 0.247130] ACPI: Added _OSI(Module Device)
[ 0.247906] ACPI: Added _OSI(Processor Device)
[ 0.248731] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.249602] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.275585] ACPI: Interpreter enabled
[ 0.276227] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20141107/hwxface-580)
[ 0.277693] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20141107/hwxface-580)
[ 0.279576] ACPI: (supports S0 S3 S4 S5)
[ 0.280005] ACPI: Using IOAPIC for interrupt routing
[ 0.281178] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.386427] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.386704] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[ 0.388165] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.393142] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[ 0.405309] acpiphp: Slot [3] registered
[ 0.406583] acpiphp: Slot [4] registered
[ 0.407098] acpiphp: Slot [5] registered
[ 0.408249] acpiphp: Slot [6] registered
[ 0.409410] acpiphp: Slot [7] registered
[ 0.410417] acpiphp: Slot [8] registered
[ 0.411558] acpiphp: Slot [9] registered
[ 0.412698] acpiphp: Slot [10] registered
[ 0.413745] acpiphp: Slot [11] registered
[ 0.415141] acpiphp: Slot [12] registered
[ 0.416305] acpiphp: Slot [13] registered
[ 0.417085] acpiphp: Slot [14] registered
[ 0.418259] acpiphp: Slot [15] registered
[ 0.419418] acpiphp: Slot [16] registered
[ 0.420418] acpiphp: Slot [17] registered
[ 0.421468] acpiphp: Slot [18] registered
[ 0.422624] acpiphp: Slot [19] registered
[ 0.423748] acpiphp: Slot [20] registered
[ 0.424912] acpiphp: Slot [21] registered
[ 0.426073] acpiphp: Slot [22] registered
[ 0.427086] acpiphp: Slot [23] registered
[ 0.428245] acpiphp: Slot [24] registered
[ 0.429403] acpiphp: Slot [25] registered
[ 0.430415] acpiphp: Slot [26] registered
[ 0.431719] acpiphp: Slot [27] registered
[ 0.432882] acpiphp: Slot [28] registered
[ 0.433747] acpiphp: Slot [29] registered
[ 0.434955] acpiphp: Slot [30] registered
[ 0.436114] acpiphp: Slot [31] registered
[ 0.436693] PCI host bridge to bus 0000:00
[ 0.437478] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.438499] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.439658] pci_bus 0000:00: root bus resource [io 0x0d00-0xadff]
[ 0.440014] pci_bus 0000:00: root bus resource [io 0xae0f-0xaeff]
[ 0.441158] pci_bus 0000:00: root bus resource [io 0xaf20-0xafdf]
[ 0.442301] pci_bus 0000:00: root bus resource [io 0xafe4-0xffff]
[ 0.443348] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.444606] pci_bus 0000:00: root bus resource [mem 0x20000000-0xfebfffff]
[ 0.455053] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.455944] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.456673] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.457478] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.461459] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI
[ 0.462321] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB
[ 0.490885] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.493666] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.496381] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.498853] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.500340] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.508149] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.509804] vgaarb: setting as boot device: PCI:0000:00:02.0
[ 0.509804] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.510019] vgaarb: loaded
[ 0.510540] vgaarb: bridge control possible 0000:00:02.0
[ 0.514298] SCSI subsystem initialized
[ 0.517646] PCI: Using ACPI for IRQ routing
[ 0.522170] HPET: 3 timers in total, 0 timers will be used for per-cpu timer
[ 0.523421] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0
[ 0.524428] hpet0: 3 comparators, 64-bit 100.000000 MHz counter
[ 0.528794] Switched to clocksource kvm-clock
[ 0.669271] pnp: PnP ACPI init
[ 0.682044] pnp: PnP ACPI: found 6 devices
[ 0.727112] NET: Registered protocol family 2
[ 0.729045] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.730449] TCP bind hash table entries: 4096 (order: 6, 327680 bytes)
[ 0.731884] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.733098] TCP: reno registered
[ 0.733505] UDP hash table entries: 256 (order: 3, 49152 bytes)
[ 0.734248] UDP-Lite hash table entries: 256 (order: 3, 49152 bytes)
[ 0.735538] NET: Registered protocol family 1
[ 0.737119] RPC: Registered named UNIX socket transport module.
[ 0.737885] RPC: Registered udp transport module.
[ 0.738466] RPC: Registered tcp transport module.
[ 0.739041] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.739833] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.740752] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.741476] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.745661] microcode: CPU0 sig=0x306a9, pf=0x1, revision=0x1
[ 0.746966] microcode: CPU1 sig=0x306a9, pf=0x1, revision=0x1
[ 0.748421] microcode: Microcode Update Driver: v2.00 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[ 0.749946] Scanning for low memory corruption every 60 seconds
[ 0.755101] futex hash table entries: 512 (order: 4, 65536 bytes)
[ 0.755925] Initialise system trusted keyring
[ 0.756742] audit: initializing netlink subsys (disabled)
[ 0.757523] audit: type=2000 audit(1421771279.698:1): initialized
[ 0.762111] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[ 0.846035] zpool: loaded
[ 0.846398] zbud: loaded
[ 0.854624] VFS: Disk quotas dquot_6.5.2
[ 0.855956] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.875173] NFS: Registering the id_resolver key type
[ 0.875857] Key type id_resolver registered
[ 0.876384] Key type id_legacy registered
[ 0.876923] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.877781] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[ 0.884616] 9p: Installing v9fs 9p2000 file system support
[ 0.888951] Key type asymmetric registered
[ 0.889483] Asymmetric key parser 'x509' registered
[ 0.891038] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.892203] io scheduler noop registered
[ 0.892684] io scheduler deadline registered
[ 0.894913] io scheduler cfq registered (default)
[ 0.897956] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[ 0.899039] pciehp: PCI Express Hot Plug Controller Driver version: 0.4
[ 0.901991] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 0.902956] ACPI: Power Button [PWRF]
[ 0.905511] GHES: HEST is not enabled!
[ 0.907089] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 0.932140] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 0.940679] Linux agpgart interface v0.103
[ 0.942041] [drm] Initialized drm 1.1.0 20060810
[ 0.946934] ram0: unknown partition table
[ 0.949760] ram1: unknown partition table
[ 0.952405] ram2: unknown partition table
[ 0.954952] ram3: unknown partition table
[ 0.957594] ram4: unknown partition table
[ 0.960184] ram5: unknown partition table
[ 0.962753] ram6: unknown partition table
[ 0.965365] ram7: unknown partition table
[ 0.967949] ram8: unknown partition table
[ 0.970591] ram9: unknown partition table
[ 0.973145] ram10: unknown partition table
[ 0.975696] ram11: unknown partition table
[ 0.978270] ram12: unknown partition table
[ 0.980850] ram13: unknown partition table
[ 0.983490] ram14: unknown partition table
[ 0.986062] ram15: unknown partition table
[ 0.987299] brd: module loaded
[ 1.012002] loop: module loaded
[ 1.015014] nbd: registered device at major 43
[ 1.053267] nullb0: unknown partition table
[ 1.056658] nullb1: unknown partition table
[ 1.059039] null: module loaded
[ 1.073543] scsi host0: ata_piix
[ 1.078934] scsi host1: ata_piix
[ 1.081142] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc040 irq 14
[ 1.082450] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc048 irq 15
[ 1.085557] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 1.088762] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 1.090892] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 1.095813] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
[ 1.100173] rtc_cmos 00:00: RTC can wake from S4
[ 1.104933] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[ 1.106306] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram, hpet irqs
[ 1.108350] piix4_smbus 0000:00:01.3: SMBus Host Controller at 0x700, revision 0
[ 1.110844] drop_monitor: Initializing network drop monitor service
[ 1.112385] TCP: cubic registered
[ 1.118817] NET: Registered protocol family 10
[ 1.124642] NET: Registered protocol family 17
[ 1.126381] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[ 1.128949] 8021q: 802.1Q VLAN Support v1.8
[ 1.129825] 9pnet: Installing 9P2000 support
[ 1.130815] Key type dns_resolver registered
[ 1.136875] Loading compiled-in X.509 certificates
[ 1.137907] registered taskstats version 1
[ 1.140583] Magic number: 15:95:490
[ 1.141050] acpi PNP0F13:00: hash matches
[ 1.141650] rtc_cmos 00:00: setting system clock to 2015-01-20 16:28:00 UTC (1421771280)
[ 1.143381] Warning: unable to open an initial console.
[ 1.237994] ata2.00: ATAPI: QEMU DVD-ROM, 2.2.0, max UDMA/100
[ 1.239917] ata1.00: ATA-7: QEMU HARDDISK, 2.2.0, max UDMA/100
[ 1.241219] ata1.00: 8388608 sectors, multi 16: LBA48
[ 1.243389] ata1.00: configured for MWDMA2
[ 1.245792] ata2.00: configured for MWDMA2
[ 1.248357] scsi 0:0:0:0: Direct-Access ATA QEMU HARDDISK 0 PQ: 0 ANSI: 5
[ 1.255899] sd 0:0:0:0: [sda] 8388608 512-byte logical blocks: (4.29 GB/4.00 GiB)
[ 1.258333] sd 0:0:0:0: [sda] Write Protect is off
[ 1.259475] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 1.268417] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.2. PQ: 0 ANSI: 5
[ 1.271673] sda: sda1
[ 1.281061] sd 0:0:0:0: [sda] Attached SCSI disk
[ 1.282320] VFS: Cannot open root device "sda1" or unknown-block(8,1): error -2
[ 1.283484] Please append a correct "root=" boot option; here are the available partitions:
[ 1.284748] 0100 4096 ram0 (driver?)
[ 1.285479] 0101 4096 ram1 (driver?)
[ 1.286218] 0102 4096 ram2 (driver?)
[ 1.286992] 0103 4096 ram3 (driver?)
[ 1.287741] 0104 4096 ram4 (driver?)
[ 1.288640] 0105 4096 ram5 (driver?)
[ 1.289394] 0106 4096 ram6 (driver?)
[ 1.290195] 0107 4096 ram7 (driver?)
[ 1.290962] 0108 4096 ram8 (driver?)
[ 1.291695] 0109 4096 ram9 (driver?)
[ 1.292404] 010a 4096 ram10 (driver?)
[ 1.293114] 010b 4096 ram11 (driver?)
[ 1.293922] 010c 4096 ram12 (driver?)
[ 1.294643] 010d 4096 ram13 (driver?)
[ 1.295401] 010e 4096 ram14 (driver?)
[ 1.296167] 010f 4096 ram15 (driver?)
[ 1.296975] 0800 4194304 sda driver: sd
[ 1.297697] 0801 4194272 sda1 00000000-01
[ 1.298418] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
[ 1.300034] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.19.0-rc5-next-20150120-dirty #410
[ 1.300039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140617_173321-var-lib-archbuild-testing-x86_64-tobias 04/01/2014
[ 1.300039] ffffea0000001340 ffff88001f673dd8 ffffffff817e1197 000000000000004e
[ 1.300039] ffffffff81a6f2c8 ffff88001f673e58 ffffffff817dfd43 ffffffff81c9a860
[ 1.300039] ffff880000000010 ffff88001f673e68 ffff88001f673e08 ffff000031616473
[ 1.300039] Call Trace:
[ 1.300039] [<ffffffff817e1197>] dump_stack+0x4f/0x7b
[ 1.300039] [<ffffffff817dfd43>] panic+0xd2/0x217
[ 1.300039] [<ffffffff81efd58b>] mount_block_root+0x200/0x28d
[ 1.300039] [<ffffffff81efd78b>] mount_root+0x54/0x58
[ 1.300039] [<ffffffff81efd8f7>] prepare_namespace+0x168/0x1a1
[ 1.300039] [<ffffffff81efd2b1>] kernel_init_freeable+0x29d/0x2ad
[ 1.300039] [<ffffffff817d7440>] ? rest_init+0x140/0x140
[ 1.300039] [<ffffffff817d744e>] kernel_init+0xe/0xf0
[ 1.300039] [<ffffffff817eb87c>] ret_from_fork+0x7c/0xb0
[ 1.300039] [<ffffffff817d7440>] ? rest_init+0x140/0x140
[ 1.300039] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff)
[ 1.300039] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
--
Sabrina
next prev parent reply other threads:[~2015-01-20 16:56 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 7:53 linux-next: Tree for Jan 20 Stephen Rothwell
2015-01-20 14:16 ` Guenter Roeck
2015-01-20 16:56 ` Sabrina Dubroca [this message]
2015-01-20 17:39 ` linux-next: Tree for Jan 20 -- Kernel panic - Unable to mount root fs Paul Moore
2015-01-20 17:51 ` Sabrina Dubroca
2015-01-20 19:54 ` Al Viro
2015-01-20 20:45 ` Sabrina Dubroca
2015-01-20 21:02 ` Al Viro
2015-01-20 21:38 ` Sabrina Dubroca
2015-01-20 21:58 ` Al Viro
2015-01-20 22:08 ` Sabrina Dubroca
2015-01-20 22:13 ` Guenter Roeck
2015-01-20 22:50 ` Al Viro
2015-01-20 23:17 ` Al Viro
2015-01-20 23:27 ` Sabrina Dubroca
2015-01-21 0:04 ` Paul Moore
2015-01-21 0:14 ` Paul Moore
2015-01-21 0:41 ` Al Viro
2015-01-21 2:44 ` Guenter Roeck
2015-01-21 3:36 ` Al Viro
2015-01-21 4:01 ` Guenter Roeck
2015-01-21 4:36 ` Al Viro
2015-01-21 11:05 ` Sabrina Dubroca
2015-01-21 13:32 ` Guenter Roeck
2015-01-21 18:29 ` Al Viro
2015-01-21 19:06 ` Guenter Roeck
2015-01-21 20:06 ` Al Viro
2015-01-21 21:03 ` Guenter Roeck
2015-01-21 21:28 ` Al Viro
2015-01-21 21:38 ` Guenter Roeck
2015-01-21 21:40 ` Sabrina Dubroca
2015-01-21 21:54 ` Paul Walmsley
2015-01-22 2:28 ` Paul Moore
2015-01-22 4:12 ` Al Viro
2015-01-22 4:49 ` Paul Moore
2015-01-21 21:30 ` Sabrina Dubroca
2015-01-21 14:42 ` Thierry Reding
2015-01-21 15:24 ` Paul Moore
2015-01-21 15:39 ` Thierry Reding
2015-01-21 15:54 ` Sabrina Dubroca
2015-01-21 16:16 ` Paul Moore
2015-01-21 17:38 ` Al Viro
2015-01-21 17:51 ` Guenter Roeck
2015-01-21 16:21 ` Guenter Roeck
2015-01-21 15:06 ` Paul Moore
2015-01-20 21:43 ` Guenter Roeck
2015-01-20 17:54 ` Fabio Estevam
2015-01-20 19:00 ` Ross Zwisler
2015-01-20 19:16 ` Fabio Estevam
2015-01-20 19:24 ` Paul Moore
2015-01-20 19:43 ` Fabio Estevam
2015-01-20 20:10 ` Paul Moore
2015-01-20 20:26 ` linux-next: Tree for Jan 20 Guenter Roeck
2015-01-20 22:54 ` Kirill A. Shutemov
2015-01-21 3:05 ` Guenter Roeck
2015-01-21 10:43 ` Kirill A. Shutemov
2015-01-21 23:34 ` Guenter Roeck
2015-01-22 3:14 ` Guenter Roeck
2015-01-22 17:13 ` linux-next: Tree for Jan 20 -- sparc32: fix broken set_pte() Kirill A. Shutemov
2015-01-22 17:27 ` Kirill A. Shutemov
2015-01-22 17:27 ` Kirill A. Shutemov
2015-01-22 19:34 ` Guenter Roeck
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150120165655.GA10904@kria \
--to=sd@queasysnail.net \
--cc=linux-audit@redhat.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=pmoore@redhat.com \
--cc=rgb@redhat.com \
--cc=sfr@canb.auug.org.au \
--cc=viro@zeniv.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.