Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757503AbWKWXqq (ORCPT ); Thu, 23 Nov 2006 18:46:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757506AbWKWXqq (ORCPT ); Thu, 23 Nov 2006 18:46:46 -0500 Received: from nf-out-0910.google.com ([64.233.182.185]:31289 "EHLO nf-out-0910.google.com") by vger.kernel.org with ESMTP id S1757503AbWKWXqo (ORCPT ); Thu, 23 Nov 2006 18:46:44 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:from:to:subject:date:user-agent:cc:references:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:message-id; b=ZkgIXRrLhiI6xOKf6ZowwccReOqerX3fGoPxMHaQc7I1Rqpn+bxeQf+NWP2t7e9JxBymNcuztECC/BBhS7en9L1LVCwfQmsVHqnrZcpO/VBN3fOJ7yErgsAf1Kwr2JK4rnIBTbbwmzj7rCHr8FnV8dhSrMbypdq/lPYso+WIN50= From: Jesper Juhl To: Jens Axboe Subject: Re: Simple script that locks up my box with recent kernels Date: Fri, 24 Nov 2006 00:48:38 +0100 User-Agent: KMail/1.9.4 Cc: Linus Torvalds , Linux Kernel Mailing List , Andrew Morton , Jesper Juhl References: <9a8748490611220255v53bc667y74b05e2b69281f25@mail.gmail.com> <20061122105703.GZ8055@kernel.dk> In-Reply-To: <20061122105703.GZ8055@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200611240048.38908.jesper.juhl@gmail.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 19512 Lines: 394 On Wednesday 22 November 2006 11:57, Jens Axboe wrote: > On Wed, Nov 22 2006, Jesper Juhl wrote: > > On 22/11/06, Jens Axboe wrote: > > >On Tue, Nov 21 2006, Linus Torvalds wrote: > > >> I don't think we use any irq-disable locking in the VM itself, but I > > >could > > >> imagine some nasty situation with the block device layer getting into a > > >> deadlock with interrupts disabled when it runs out of queue entries and > > >> cannot allocate more memory.. > > > > > >Not likely. Request allocation is done with GFP_NOIO and backed by a > > >memory pool, so as long the vm doesn't go totally nuts because > > >__GFP_WAIT is set, we should be safe there. If it did go crazy, I > > >suspect a sysrq-t would still work. > > > > > >If bouncing is involved for swap, we do have a potential deadlock issue > > >that isn't fixed yet. I just whipped up this completely untested patch, > > >it should shed some light on that issue. > > > > > Thanks Jens, I'll apply that later tonight and force a few lockups and > > see if I get any extra details with that patch. > > Can you post a full dmesg too, as well as clarify which device holds the > swap space? > Here's a complete dmesg from a fresh boot : Linux version 2.6.19-rc6-g66c669ba (juhl@dragon) (gcc version 3.4.6) #2 SMP PREEMPT Fri Nov 24 00:37:24 CET 2006 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f800 (usable) BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e8000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000007ffb0000 (usable) BIOS-e820: 000000007ffb0000 - 000000007ffc0000 (ACPI data) BIOS-e820: 000000007ffc0000 - 000000007fff0000 (ACPI NVS) BIOS-e820: 000000007fff0000 - 0000000080000000 (reserved) BIOS-e820: 00000000ff7c0000 - 0000000100000000 (reserved) 1151MB HIGHMEM available. 896MB LOWMEM available. found SMP MP-table at 000ff780 Entering add_active_range(0, 0, 524208) 0 entries of 256 used Zone PFN ranges: DMA 0 -> 4096 Normal 4096 -> 229376 HighMem 229376 -> 524208 early_node_map[1] active PFN ranges 0: 0 -> 524208 On node 0 totalpages: 524208 DMA zone: 32 pages used for memmap DMA zone: 0 pages reserved DMA zone: 4064 pages, LIFO batch:0 Normal zone: 1760 pages used for memmap Normal zone: 223520 pages, LIFO batch:31 HighMem zone: 2303 pages used for memmap HighMem zone: 292529 pages, LIFO batch:31 DMI 2.3 present. ACPI: RSDP (v000 ACPIAM ) @ 0x000f9bb0 ACPI: RSDT (v001 A M I OEMRSDT 0x12000506 MSFT 0x00000097) @ 0x7ffb0000 ACPI: FADT (v002 A M I OEMFACP 0x12000506 MSFT 0x00000097) @ 0x7ffb0200 ACPI: MADT (v001 A M I OEMAPIC 0x12000506 MSFT 0x00000097) @ 0x7ffb0390 ACPI: OEMB (v001 A M I AMI_OEM 0x12000506 MSFT 0x00000097) @ 0x7ffc0040 ACPI: DSDT (v001 939M2 939M2150 0x00000150 INTL 0x02002026) @ 0x00000000 ACPI: PM-Timer IO Port: 0x808 ACPI: Local APIC address 0xfee00000 ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) Processor #0 15:3 APIC version 16 ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) Processor #1 15:3 APIC version 16 ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23 ACPI: IOAPIC (id[0x03] address[0xfec10000] gsi_base[24]) IOAPIC[1]: apic_id 3, version 17, address 0xfec10000, GSI 24-39 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) ACPI: IRQ0 used by override. ACPI: IRQ2 used by override. ACPI: IRQ9 used by override. Enabling APIC mode: Flat. Using 2 I/O APICs Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at 88000000 (gap: 80000000:7f7c0000) Detected 2200.199 MHz processor. Built 1 zonelists. Total pages: 520113 Kernel command line: BOOT_IMAGE=g66c669ba ro root=801 mapped APIC to ffffd000 (fee00000) mapped IOAPIC to ffffc000 (fec00000) mapped IOAPIC to ffffb000 (fec10000) Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 CPU 0 irqstacks, hard=c04d5000 soft=c04d3000 PID hash table entries: 4096 (order: 12, 16384 bytes) Console: colour dummy device 80x25 Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar ... MAX_LOCKDEP_SUBCLASSES: 8 ... MAX_LOCK_DEPTH: 30 ... MAX_LOCKDEP_KEYS: 2048 ... CLASSHASH_SIZE: 1024 ... MAX_LOCKDEP_ENTRIES: 8192 ... MAX_LOCKDEP_CHAINS: 8192 ... CHAINHASH_SIZE: 4096 memory used by lock dependency info: 904 kB per task-struct memory footprint: 1200 bytes ------------------------ | Locking API testsuite: ---------------------------------------------------------------------------- | spin |wlock |rlock |mutex | wsem | rsem | -------------------------------------------------------------------------- A-A deadlock: ok | ok | ok | ok | ok | ok | A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | double unlock: ok | ok | ok | ok | ok | ok | initialize held: ok | ok | ok | ok | ok | ok | bad unlock order: ok | ok | ok | ok | ok | ok | -------------------------------------------------------------------------- recursive read-lock: | ok | | ok | recursive read-lock #2: | ok | | ok | mixed read-write-lock: | ok | | ok | mixed write-read-lock: | ok | | ok | -------------------------------------------------------------------------- hard-irqs-on + irq-safe-A/12: ok | ok | ok | soft-irqs-on + irq-safe-A/12: ok | ok | ok | hard-irqs-on + irq-safe-A/21: ok | ok | ok | soft-irqs-on + irq-safe-A/21: ok | ok | ok | sirq-safe-A => hirqs-on/12: ok | ok | ok | sirq-safe-A => hirqs-on/21: ok | ok | ok | hard-safe-A + irqs-on/12: ok | ok | ok | soft-safe-A + irqs-on/12: ok | ok | ok | hard-safe-A + irqs-on/21: ok | ok | ok | soft-safe-A + irqs-on/21: ok | ok | ok | hard-safe-A + unsafe-B #1/123: ok | ok | ok | soft-safe-A + unsafe-B #1/123: ok | ok | ok | hard-safe-A + unsafe-B #1/132: ok | ok | ok | soft-safe-A + unsafe-B #1/132: ok | ok | ok | hard-safe-A + unsafe-B #1/213: ok | ok | ok | soft-safe-A + unsafe-B #1/213: ok | ok | ok | hard-safe-A + unsafe-B #1/231: ok | ok | ok | soft-safe-A + unsafe-B #1/231: ok | ok | ok | hard-safe-A + unsafe-B #1/312: ok | ok | ok | soft-safe-A + unsafe-B #1/312: ok | ok | ok | hard-safe-A + unsafe-B #1/321: ok | ok | ok | soft-safe-A + unsafe-B #1/321: ok | ok | ok | hard-safe-A + unsafe-B #2/123: ok | ok | ok | soft-safe-A + unsafe-B #2/123: ok | ok | ok | hard-safe-A + unsafe-B #2/132: ok | ok | ok | soft-safe-A + unsafe-B #2/132: ok | ok | ok | hard-safe-A + unsafe-B #2/213: ok | ok | ok | soft-safe-A + unsafe-B #2/213: ok | ok | ok | hard-safe-A + unsafe-B #2/231: ok | ok | ok | soft-safe-A + unsafe-B #2/231: ok | ok | ok | hard-safe-A + unsafe-B #2/312: ok | ok | ok | soft-safe-A + unsafe-B #2/312: ok | ok | ok | hard-safe-A + unsafe-B #2/321: ok | ok | ok | soft-safe-A + unsafe-B #2/321: ok | ok | ok | hard-irq lock-inversion/123: ok | ok | ok | soft-irq lock-inversion/123: ok | ok | ok | hard-irq lock-inversion/132: ok | ok | ok | soft-irq lock-inversion/132: ok | ok | ok | hard-irq lock-inversion/213: ok | ok | ok | soft-irq lock-inversion/213: ok | ok | ok | hard-irq lock-inversion/231: ok | ok | ok | soft-irq lock-inversion/231: ok | ok | ok | hard-irq lock-inversion/312: ok | ok | ok | soft-irq lock-inversion/312: ok | ok | ok | hard-irq lock-inversion/321: ok | ok | ok | soft-irq lock-inversion/321: ok | ok | ok | hard-irq read-recursion/123: ok | soft-irq read-recursion/123: ok | hard-irq read-recursion/132: ok | soft-irq read-recursion/132: ok | hard-irq read-recursion/213: ok | soft-irq read-recursion/213: ok | hard-irq read-recursion/231: ok | soft-irq read-recursion/231: ok | hard-irq read-recursion/312: ok | soft-irq read-recursion/312: ok | hard-irq read-recursion/321: ok | soft-irq read-recursion/321: ok | ------------------------------------------------------- Good, all 218 testcases passed! | --------------------------------- Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 2070236k/2096832k available (2333k kernel code, 25428k reserved, 957k data, 224k init, 1179328k highmem) virtual kernel memory layout: fixmap : 0xfff81000 - 0xfffff000 ( 504 kB) pkmap : 0xff800000 - 0xffc00000 (4096 kB) vmalloc : 0xf8800000 - 0xff7fe000 ( 111 MB) lowmem : 0xc0000000 - 0xf8000000 ( 896 MB) .init : 0xc0496000 - 0xc04ce000 ( 224 kB) .data : 0xc03477c1 - 0xc0436f54 ( 957 kB) .text : 0xc0100000 - 0xc03477c1 (2333 kB) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay using timer specific routine.. 4402.72 BogoMIPS (lpj=2201360) Mount-cache hash table entries: 512 CPU: After generic identify, caps: 178bfbff e3d3fbff 00000000 00000000 00000001 00000000 00000003 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 1024K (64 bytes/line) CPU 0(2) -> Core 0 CPU: After all inits, caps: 178bfbf7 e3d3fbff 00000000 00000410 00000001 00000000 00000003 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. Checking 'hlt' instruction... OK. Freeing SMP alternatives: 12k freed ACPI: Core revision 20060707 CPU0: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ stepping 02 lockdep: not fixing up alternatives. Booting processor 1/1 eip 2000 CPU 1 irqstacks, hard=c04d6000 soft=c04d4000 Initializing CPU#1 Calibrating delay using timer specific routine.. 4399.52 BogoMIPS (lpj=2199764) CPU: After generic identify, caps: 178bfbff e3d3fbff 00000000 00000000 00000001 00000000 00000003 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 1024K (64 bytes/line) CPU 1(2) -> Core 1 CPU: After all inits, caps: 178bfbf7 e3d3fbff 00000000 00000410 00000001 00000000 00000003 Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. CPU1: AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ stepping 02 Total of 2 processors activated (8802.24 BogoMIPS). ENABLING IO-APIC IRQs ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1 checking TSC synchronization across 2 CPUs: CPU#0 had -31 usecs TSC skew, fixed it up. CPU#1 had 31 usecs TSC skew, fixed it up. Brought up 2 CPUs migration_cost=387 NET: Registered protocol family 16 ACPI: bus type pci registered PCI: PCI BIOS revision 3.00 entry at 0xf0031, last bus=4 PCI: Using configuration type 1 Setting up standard PCI resources ACPI: Interpreter enabled ACPI: Using IOAPIC for interrupt routing ACPI: PCI Root Bridge [PCI0] (0000:00) PCI: Probing PCI hardware (bus 00) PCI quirk: region 0800-083f claimed by ali7101 ACPI Boot video device is 0000:03:00.0 PCI: Transparent bridge - 0000:00:06.0 ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P4._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.HTT_._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEB1._PRT] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.PEB2._PRT] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 *5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *10 11 12 14 15) ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 *10 11 12 14 15), disabled. ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 *10 11 12 14 15), disabled. ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 *11 12 14 15) ACPI: PCI Interrupt Link [LNKF] (IRQs *3 4 5 6 7 10 11 12 14 15) ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 *11 12 14 15) ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 11 12 14 15) *9 ACPI: PCI Interrupt Link [LNKP] (IRQs 3 4 *5 6 7 10 11 12 14 15) SCSI subsystem initialized PCI: Using ACPI for IRQ routing PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report PCI: Bridge: 0000:00:01.0 IO window: disabled. MEM window: ff200000-ff2fffff PREFETCH window: disabled. PCI: Bridge: 0000:00:02.0 IO window: disabled. MEM window: ff300000-ff3fffff PREFETCH window: disabled. PCI: Bridge: 0000:00:05.0 IO window: disabled. MEM window: ff400000-ff4fffff PREFETCH window: c7f00000-d7efffff PCI: Bridge: 0000:00:06.0 IO window: d000-dfff MEM window: ff500000-ff5fffff PREFETCH window: 88000000-880fffff ACPI: PCI Interrupt 0000:00:01.0[A] -> GSI 29 (level, low) -> IRQ 16 PCI: Setting latency timer of device 0000:00:01.0 to 64 ACPI: PCI Interrupt 0000:00:02.0[A] -> GSI 34 (level, low) -> IRQ 17 PCI: Setting latency timer of device 0000:00:02.0 to 64 PCI: Setting latency timer of device 0000:00:05.0 to 64 PCI: Setting latency timer of device 0000:00:06.0 to 64 NET: Registered protocol family 2 IP route cache hash table entries: 32768 (order: 5, 131072 bytes) TCP established hash table entries: 65536 (order: 9, 2359296 bytes) TCP bind hash table entries: 32768 (order: 8, 1179648 bytes) TCP: Hash tables configured (established 65536 bind 32768) TCP reno registered Machine check exception polling timer started. Initializing RT-Tester: OK audit: initializing netlink socket (disabled) audit(1164325505.879:1): initialized highmem bounce pool size: 64 pages io scheduler noop registered io scheduler cfq registered (default) vesafb: framebuffer at 0xc8000000, mapped to 0xf8880000, using 3072k, total 16384k vesafb: mode is 1024x768x16, linelength=2048, pages=9 vesafb: protected mode interface info at c000:7880 vesafb: pmi: set display start = c00c79d3, set palette = c00c7ab3 vesafb: pmi: ports = vesafb: scrolling: redraw vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0 Console: switching to colour frame buffer device 128x48 fb0: VESA VGA frame buffer device Real Time Clock Driver v1.12ac Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A Floppy drive(s): fd0 is 1.44M FDC 0 is a post-1991 82077 via-rhine.c:v1.10-LK1.4.2 Sept-11-2006 Written by Donald Becker ACPI: PCI Interrupt 0000:04:07.0[A] -> GSI 22 (level, low) -> IRQ 18 eth0: VIA Rhine II at 0xff5fec00, 00:50:ba:f2:a3:1d, IRQ 18. eth0: MII PHY found at address 8, status 0x7829 advertising 01e1 Link 45e1. ACPI: PCI Interrupt 0000:04:06.0[A] -> GSI 21 (level, low) -> IRQ 19 scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0 aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs scsi 0:0:4:0: CD-ROM PIONEER DVD-ROM DVD-305 1.03 PQ: 0 ANSI: 2 target0:0:4: Beginning Domain Validation target0:0:4: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 16) target0:0:4: Domain Validation skipping write tests target0:0:4: Ending Domain Validation scsi 0:0:5:0: CD-ROM PLEXTOR CD-R PX-W1210S 1.01 PQ: 0 ANSI: 2 target0:0:5: Beginning Domain Validation target0:0:5: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 16) target0:0:5: Domain Validation skipping write tests target0:0:5: Ending Domain Validation scsi 0:0:6:0: Direct-Access IBM DDYS-T36950N S96H PQ: 0 ANSI: 3 scsi0:A:6:0: Tagged Queuing enabled. Depth 200 target0:0:6: Beginning Domain Validation target0:0:6: wide asynchronous target0:0:6: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 63) target0:0:6: Ending Domain Validation SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB) sda: Write Protect is off sda: Mode Sense: cb 00 00 08 SCSI device sda: drive cache: write back SCSI device sda: 71687340 512-byte hdwr sectors (36704 MB) sda: Write Protect is off sda: Mode Sense: cb 00 00 08 SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sda4 sd 0:0:6:0: Attached scsi disk sda sr0: scsi3-mmc drive: 16x/40x cd/rw xa/form2 cdda tray Uniform CD-ROM driver Revision: 3.20 sr 0:0:4:0: Attached scsi CD-ROM sr0 sr1: scsi3-mmc drive: 32x/32x writer cd/rw xa/form2 cdda tray sr 0:0:5:0: Attached scsi CD-ROM sr1 sr 0:0:4:0: Attached scsi generic sg0 type 5 sr 0:0:5:0: Attached scsi generic sg1 type 5 sd 0:0:6:0: Attached scsi generic sg2 type 0 serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mice: PS/2 mouse device common for all mice EDAC MC: Ver: 2.0.1 Nov 24 2006 TCP cubic registered input: AT Translated Set 2 keyboard as /class/input/input0 Initializing XFRM netlink socket NET: Registered protocol family 1 NET: Registered protocol family 17 Starting balanced_irq Using IPI Shortcut mode Time: acpi_pm clocksource has been installed. input: ImExPS/2 Generic Explorer Mouse as /class/input/input1 kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. VFS: Mounted root (ext3 filesystem) readonly. Freeing unused kernel memory: 224k freed Write protecting the kernel read-only data: 384k Adding 763076k swap on /dev/sda3. Priority:-1 extents:1 across:763076k EXT3 FS on sda1, internal journal ACPI: PCI Interrupt 0000:04:05.0[A] -> GSI 20 (level, low) -> IRQ 20 Linux agpgart interface v0.101 (c) Dave Jones ReiserFS: sda2: found reiserfs format "3.6" with standard journal ReiserFS: sda2: using ordered data mode ReiserFS: sda2: journal params: device sda2, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 ReiserFS: sda2: checking transaction log (sda2) ReiserFS: sda2: Using r5 hash to sort names ReiserFS: sda4: found reiserfs format "3.6" with standard journal ReiserFS: sda4: using ordered data mode ReiserFS: sda4: journal params: device sda4, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 ReiserFS: sda4: checking transaction log (sda4) ReiserFS: sda4: Using r5 hash to sort names eth0: link up, 100Mbps, full-duplex, lpa 0x45E1 (scsi0:A:4:0): No or incomplete CDB sent to device. scsi0: Issued Channel A Bus Reset. 7 SCBs aborted target0:0:6: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 63) target0:0:4: FAST-20 SCSI 20.0 MB/s ST (50 ns, offset 16) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/