Re: [reiser4] Bug-report

["Vladimir V. Saveliev" <vs@namesys.com>]

Hello

Francesco Biscani wrote:
> Hi,
> 
> I'm testing reiser4 on my / partition. So far I haven't had a single problem. 
> However today I installed the vsftpd ftp server and I had a system freeze. A 
> friend of mine was d/l-ing some files from my PC.
> 
> The first thing that alarmed me was that I saw on KDE's system monitor that my 
> CPU utilization rate, at a certain point, suddenly began to hit 100% 
> constantly. "top" revealed that the ftp server was eating all my cpu cycles. 
> This lasted for about a minute or slightly less. I don't think this is 
> normal, I've never seen this happening with proftpd. I was inclined to 
> consider this as a bug of vsftpd's. 
> 
> But after about half an hour my X session began to be very sluggish. I could 
> not fire up a terminal to see what was going on, but KDE's system monitor 
> showed that all CPU power was being eaten by the "system" (I mean that this 
> time the CPU was hogged by some kernel activity, not user-space). I had no 
> choice but to reset.
> 
> Fortunately I found no errors on the fs after the "cold" reboot.
> 
> But the system log had not been written during the freeze, so there are not 
> many clues on what has happened :-(
> 
> I hope this will be useful.. Some of my specs, follow. Let me know if you need 
> more.
> 

Did you use vsftpd after that?

> "Standard" (i.e. default) reiser4 options in kernel .config. No 4k-stacks, 
> reiser4 auto-snapshot of 2th July.
> 
> #uname -a
> Linux kurtz 2.6.7-mm4 #1 Mon Jul 5 10:53:10 CEST 2004 i686 Mobile Intel(R) 
> Pentium(R) 4     CPU 2.40GHz GenuineIntel GNU/Linux
> 
> #dmesg
> Linux version 2.6.7-mm4 (root@kurtz) (gcc version 3.4.0 20040601 (Gentoo Linux 
> 3.4.0-r6, ssp-3.4-2, pie-8.7.6.3)) #1 Mon Jul 5 10:53:10 CEST 2004
> BIOS-provided physical RAM map:
>  BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
>  BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
>  BIOS-e820: 00000000000d8000 - 00000000000e0000 (reserved)
>  BIOS-e820: 00000000000e4000 - 0000000000100000 (reserved)
>  BIOS-e820: 0000000000100000 - 000000001bf70000 (usable)
>  BIOS-e820: 000000001bf70000 - 000000001bf7f000 (ACPI data)
>  BIOS-e820: 000000001bf7f000 - 000000001bf80000 (ACPI NVS)
>  BIOS-e820: 000000001bf80000 - 000000001c000000 (reserved)
>  BIOS-e820: 000000002bf80000 - 000000002c000000 (reserved)
>  BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
> 447MB LOWMEM available.
> On node 0 totalpages: 114544
>   DMA zone: 4096 pages, LIFO batch:1
>   Normal zone: 110448 pages, LIFO batch:16
>   HighMem zone: 0 pages, LIFO batch:1
> DMI 2.3 present.
> ACPI: RSDP (v000 PTLTD                                     ) @ 0x000f6ab0
> ACPI: RSDT (v001 PTLTD    RSDT   0x06040000  LTP 0x00000000) @ 0x1bf7829b
> ACPI: FADT (v001 ATI    Salmon   0x06040000 ATI  0x000f4240) @ 0x1bf7ef64
> ACPI: BOOT (v001 PTLTD  $SBFTBL$ 0x06040000  LTP 0x00000001) @ 0x1bf7efd8
> ACPI: DSDT (v001    ATI MS2_1535 0x06040000 MSFT 0x0100000e) @ 0x00000000
> Built 1 zonelists
> Initializing CPU#0
> Kernel command line: BOOT_IMAGE=2.6.7-mm4 ro root=303
> PID hash table entries: 2048 (order 11: 16384 bytes)
> Detected 2391.845 MHz processor.
> Using tsc for high-res timesource
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
> Memory: 450192k/458176k available (2034k kernel code, 7216k reserved, 814k 
> data, 128k init, 0k highmem)
> Checking if this processor honours the WP bit even in supervisor mode... Ok.
> Calibrating delay loop... 4685.82 BogoMIPS
> Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> CPU: After generic identify, caps: bfebf9ff 00000000 00000000 00000000
> CPU: After vendor identify, caps:  bfebf9ff 00000000 00000000 00000000
> CPU: Trace cache: 12K uops, L1 D cache: 8K
> CPU: L2 cache: 512K
> CPU: After all inits, caps:        bfebf9ff 00000000 00000000 00000080
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU0: Intel P4/Xeon Extended MCE MSRs (12) available
> CPU: Intel Mobile Intel(R) Pentium(R) 4     CPU 2.40GHz stepping 09
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Checking 'hlt' instruction... OK.
> NET: Registered protocol family 16
> PCI: PCI BIOS revision 2.10 entry at 0xfd89b, last bus=2
> PCI: Using configuration type 1
> mtrr: v2.0 (20020519)
> ACPI: Subsystem revision 20040326
> ACPI: IRQ9 SCI: Edge set to Level Trigger.
> ACPI: Interpreter enabled
> ACPI: Using PIC for interrupt routing
> ACPI: PCI Root Bridge [PCI0] (00:00)
> PCI: Probing PCI hardware (bus 00)
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT]
> ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGPB._PRT]
> ACPI: PCI Interrupt Link [LNK0] (IRQs 7 10) *0, disabled.
> ACPI: PCI Interrupt Link [LNK1] (IRQs 7 *10)
> ACPI: PCI Interrupt Link [LNK2] (IRQs 7 *10)
> ACPI: PCI Interrupt Link [LNK3] (IRQs 7 *10)
> ACPI: PCI Interrupt Link [LNK4] (IRQs 7 10) *0, disabled.
> ACPI: PCI Interrupt Link [LNK5] (IRQs 7 11) *0, disabled.
> ACPI: PCI Interrupt Link [LNK6] (IRQs 7 10) *0, disabled.
> ACPI: PCI Interrupt Link [LNK7] (IRQs *5)
> ACPI: PCI Interrupt Link [LNK8] (IRQs 7 10) *0, disabled.
> ACPI: Embedded Controller [EC0] (gpe 24)
> Linux Plug and Play Support v0.97 (c) Adam Belay
> PCI: Using ACPI for IRQ routing
> ACPI: PCI Interrupt Link [LNK7] enabled at IRQ 5
> ACPI: PCI interrupt 0000:00:06.0[A] -> GSI 5 (level, low) -> IRQ 5
> ACPI: PCI Interrupt Link [LNK6] enabled at IRQ 10
> ACPI: PCI interrupt 0000:00:08.0[A] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI Interrupt Link [LNK5] enabled at IRQ 11
> ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
> ACPI: PCI Interrupt Link [LNK2] enabled at IRQ 10
> ACPI: PCI interrupt 0000:00:0b.0[A] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI Interrupt Link [LNK3] enabled at IRQ 10
> ACPI: PCI interrupt 0000:00:0b.1[B] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI interrupt 0000:00:0b.2[C] -> GSI 11 (level, low) -> IRQ 11
> ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI interrupt 0000:00:10.0[A]: no GSI
> ACPI: PCI Interrupt Link [LNK1] enabled at IRQ 10
> ACPI: PCI interrupt 0000:00:12.0[A] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI Interrupt Link [LNK0] enabled at IRQ 10
> ACPI: PCI interrupt 0000:01:05.0[A] -> GSI 10 (level, low) -> IRQ 10
> ACPI: PCI interrupt 0000:01:05.0[A] -> GSI 10 (level, low) -> IRQ 10
> radeonfb: Retreived PLL infos from BIOS
> radeonfb: Reference=14.32 MHz (RefDiv=31) Memory=183.00 Mhz, System=133.00 MHz
> Non-DDC laptop panel detected
> radeonfb: Monitor 1 type LCD found
> radeonfb: Monitor 2 type no found
> radeonfb: panel ID string: LGP
> radeonfb: detected LVDS panel size from BIOS: 1024x768
> radeondb: BIOS provided dividers will be used
> radeonfb: Power Management enabled for Mobility chipsets
> radeonfb: ATI Radeon C7  SDR SGRAM 64 MB
> Simple Boot Flag at 0x37 set to 0x1
> Machine check exception polling timer started.
> Initializing Cryptographic API
> Activating ISA DMA hang workarounds.
> ACPI: AC Adapter [ACAD] (on-line)
> ACPI: Battery Slot [BAT1] (battery absent)
> ACPI: Power Button (FF) [PWRF]
> ACPI: Lid Switch [LID]
> ACPI: Processor [CPU0] (supports C1 C2)
> ACPI: Thermal Zone [THRM] (51 C)
> Console: switching to colour frame buffer device 128x48
> Real Time Clock Driver v1.12
> RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
> natsemi dp8381x driver, version 1.07+LK1.0.17, Sep 27, 2002
>   originally by Donald Becker <becker@scyld.com>
>   http://www.scyld.com/network/natsemi.html
>   2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
> ACPI: PCI interrupt 0000:00:12.0[A] -> GSI 10 (level, low) -> IRQ 10
> natsemi eth0: NatSemi DP8381[56] at 0xdd814000 (0000:00:12.0), 
> 00:0f:20:22:06:e5, IRQ 10, port TP.
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
> ALI15X3: IDE controller at PCI slot 0000:00:10.0
> ACPI: PCI interrupt 0000:00:10.0[A]: no GSI
> ALI15X3: chipset revision 196
> ALI15X3: not 100% native mode: will probe irqs later
>     ide0: BM-DMA at 0x2040-0x2047, BIOS settings: hda:DMA, hdb:pio
>     ide1: BM-DMA at 0x2048-0x204f, BIOS settings: hdc:pio, hdd:pio
> hda: IC25N040ATMR04-0, ATA DISK drive
> Using anticipatory io scheduler
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> hdc: HL-DT-STCD-RW/DVD DRIVE GCC-4241N, ATAPI CD/DVD-ROM drive
> ide1 at 0x170-0x177,0x376 on irq 15
> hda: max request size: 128KiB
> hda: 78140160 sectors (40007 MB) w/1740KiB Cache, CHS=16383/255/63, UDMA(100)
> hda: cache flushes supported
>  hda: hda1 hda2 hda3 hda4
> hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache, DMA
> Uniform CD-ROM driver Revision: 3.20
> serio: i8042 AUX port at 0x60,0x64 irq 12
> serio: i8042 KBD port at 0x60,0x64 irq 1
> mice: PS/2 mouse device common for all mice
> input: AT Translated Set 2 keyboard on isa0060/serio0
> Synaptics Touchpad, model: 1
>  Firmware: 5.9
>  Sensor: 35
>  new absolute packet format
>  Touchpad has extended capability bits
>  -> multifinger detection
>  -> palm detection
> input: SynPS/2 Synaptics TouchPad on isa0060/serio1
> input: PC Speaker
> Advanced Linux Sound Architecture Driver Version 1.0.5 (Sun May 30 10:49:40 
> 2004 UTC).
> PCI: Enabling device 0000:00:06.0 (0005 -> 0007)
> ACPI: PCI interrupt 0000:00:06.0[A] -> GSI 5 (level, low) -> IRQ 5
> ALSA device list:
>   #0: ALI 5451 at 0x1000, irq 5
> NET: Registered protocol family 2
> IP: routing cache hash table of 4096 buckets, 32Kbytes
> TCP: Hash tables configured (established 32768 bind 65536)
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> cpufreq: CPU0 - ACPI performance management activated.
> cpufreq: *P0: 2394 MHz, 20000 mW, 250 uS
> cpufreq:  P1: 1596 MHz, 10000 mW, 250 uS
> PM: Reading pmdisk image.
> PM: Resume from disk failed.
> ACPI: (supports S0 S3 S4 S5)
> VFS: Mounted root (reiser4 filesystem) readonly.
> Freeing unused kernel memory: 128k freed
> Adding 690752k swap on /dev/hda1.  Priority:-1 extents:1
> usbcore: registered new driver usbfs
> usbcore: registered new driver hub
> Linux agpgart interface v0.100 (c) Dave Jones
> agpgart: Detected Ati IGP345M chipset
> agpgart: Maximum main memory to use for agp memory: 380M
> agpgart: AGP aperture is 64M @ 0xd4000000
> Linux Kernel Card Services
>   options:  [pci] [cardbus] [pm]
> PCI: Enabling device 0000:00:0a.0 (0000 -> 0002)
> ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
> Yenta: CardBus bridge found at 0000:00:0a.0 [0000:0000]
> Yenta: Using CSCINT to route CSC interrupts to PCI
> Yenta: Routing CardBus interrupts to PCI
> Yenta TI: socket 0000:00:0a.0, mfunc 0x01111112, devctl 0x64
> Yenta: ISA IRQ mask 0x04d8, PCI irq 11
> Socket status: 30000006
> USB Universal Host Controller Interface driver v2.2
> PCI: Enabling device 0000:00:0b.0 (0010 -> 0011)
> ACPI: PCI interrupt 0000:00:0b.0[A] -> GSI 10 (level, low) -> IRQ 10
> uhci_hcd 0000:00:0b.0: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
> Controller
> uhci_hcd 0000:00:0b.0: irq 10, io base 00002000
> uhci_hcd 0000:00:0b.0: new USB bus registered, assigned bus number 1
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 2 ports detected
> PCI: Enabling device 0000:00:0b.1 (0010 -> 0011)
> ACPI: PCI interrupt 0000:00:0b.1[B] -> GSI 10 (level, low) -> IRQ 10
> uhci_hcd 0000:00:0b.1: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
> Controller (#2)
> uhci_hcd 0000:00:0b.1: irq 10, io base 00002020
> uhci_hcd 0000:00:0b.1: new USB bus registered, assigned bus number 2
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 2 ports detected
> eth0: DSPCFG accepted after 0 usec.
> eth0: link up.
> PCI: Enabling device 0000:00:0b.2 (0010 -> 0012)
> ACPI: PCI interrupt 0000:00:0b.2[C] -> GSI 11 (level, low) -> IRQ 11
> ehci_hcd 0000:00:0b.2: VIA Technologies, Inc. USB 2.0
> ehci_hcd 0000:00:0b.2: irq 11, pci mem dd966000
> ehci_hcd 0000:00:0b.2: new USB bus registered, assigned bus number 3
> ehci_hcd 0000:00:0b.2: USB 2.0 enabled, EHCI 0.95, driver 2004-May-10
> hub 3-0:1.0: USB hub found
> hub 3-0:1.0: 4 ports detected
> ieee1394: Initialized config rom entry `ip1394'
> ohci1394: $Rev: 1223 $ Ben Collins <bcollins@debian.org>
> PCI: Enabling device 0000:00:0c.0 (0010 -> 0012)
> ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 10 (level, low) -> IRQ 10
> ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[10]  MMIO=[d0003800-d0003fff]  
> Max Packet=[2048]
> usb 1-2: new low speed USB device using address 3
> usbcore: registered new driver hiddev
> input: USB HID v1.10 Mouse [Logitech Optical USB Mouse] on usb-0000:00:0b.0-2
> usbcore: registered new driver usbhid
> drivers/usb/input/hid-core.c: v2.0:USB HID core driver
> usbcore: registered new driver usbmouse
> drivers/usb/input/usbmouse.c: v1.6:USB HID Boot Protocol mouse driver
> ieee1394: Host added: ID:BUS[0-00:1023]  GUID[000f2071a02206b9]
> ip1394: $Rev: 1224 $ Ben Collins <bcollins@debian.org>
> ip1394: eth1: IEEE-1394 IPv4 over 1394 Ethernet (fw-host0)
> ACPI: PCI interrupt 0000:01:05.0[A] -> GSI 10 (level, low) -> IRQ 10
> [drm] Initialized radeon 1.11.0 20020828 on minor 0: ATI Technologies Inc 
> Radeon IGP 340M
> [drm] Used old pci detect: framebuffer loaded
> agpgart: Found an AGP 2.0 compliant device at 0000:00:00.0.
> agpgart: Putting AGP V2 device at 0000:00:00.0 into 4x mode
> agpgart: Putting AGP V2 device at 0000:01:05.0 into 4x mode
> 
> 
>