http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=372
------- Additional Comments From alexander@xxxxxxxxxxxxx 2005-10-30 18:24
-------
Hi,
I have the same problem like you in stable.
I tried 3 diffenent SCSI Cards with differrent drivers all with the same result:
Adaptec 2940UW aha7.. , Dawiconrtol LSI Logic , old Asus based on NCR Chip.
All connetcet to a Ultrium 2 Drive from Tandberg.
I made backups for about 1 month once a day, with out no problem.
With cpio like:
.....
ssh -c blowfish leukefed.com "cd /; nice find . -mount -depth ! -name swap | c
pio -oaB -Hcrc | buffer -s256k" | buffer -S10m -s256k >/dev/nst0
echo "Backup ns1"
ssh -c blowfish ns1.leukefeld.com "cd /; nice find . -mount -depth ! -name swap
| cpio -oaB -Hcrc | buffer -s256k" | buffer -S10m -s256k >/dev/nst0
......
Checking the tape with:
buffer </dev/st0 -S10m -s256k | cpio -i --only-verify-crc
is no problem!
But if you try to restore data (Read form Tape write to disk)
The system will crash after 1 to 10 minutes.
buffer </dev/st0 -S10m -s256k | cpio -imd
(Do not mind buffer, the system will do the same with)
cpio -imd </dev/st0
Xen has no problem with DISK IO, i have copied tons of TB from Drive to Drive.
Xen has also no problem reading or writing to Tape.
Both combinations will make it crash.
I tried different irq handling for xen (XEN) with noapic and without.
/var/log/messsages
Oct 29 18:48:46 master1 kernel: buffer: page allocation failure. order:3,
mode:0x0
Oct 29 18:48:46 master1 kernel: [__alloc_pages+702/1104]
__alloc_pages+0x2be/0x450
Oct 29 18:48:46 master1 kernel: [__get_free_pages+31/64]
__get_free_pages+0x1f/0x40
Oct 29 18:48:46 master1 kernel: [dma_alloc_coherent+202/304]
dma_alloc_coherent+0xca/0x130
Oct 29 18:48:46 master1 kernel: [dma_map_single+124/368]
dma_map_single+0x7c/0x170
Oct 29 18:48:46 master1 kernel: [__map_scsi_single_data+61/96]
__map_scsi_single_data+0x3d/0x60
Oct 29 18:48:46 master1 kernel: [sym_scatter_no_sglist+85/128]
sym_scatter_no_sglist+0x55/0x80
Oct 29 18:48:46 master1 kernel: [sym_scatter+56/208] sym_scatter+0x38/0xd0
Oct 29 18:48:46 master1 kernel: [sym_setup_data_and_start+230/576]
sym_setup_data_and_start+0xe6/0x240
Oct 29 18:48:46 master1 kernel: [sym_queue_command+230/256]
sym_queue_command+0xe6/0x100
Oct 29 18:48:46 master1 kernel: [sym53c8xx_queue_command+128/176]
sym53c8xx_queue_command+0x80/0xb0
Oct 29 18:48:46 master1 kernel: [scsi_dispatch_cmd+305/480]
scsi_dispatch_cmd+0x131/0x1e0
Oct 29 18:48:46 master1 kernel: [scsi_done+0/48] scsi_done+0x0/0x30
Oct 29 18:48:46 master1 kernel: [scsi_times_out+0/176] scsi_times_out+0x0/0xb0
Oct 29 18:48:46 master1 kernel: [scsi_request_fn+431/848]
scsi_request_fn+0x1af/0x350
Oct 29 18:48:46 master1 kernel: [__elv_add_request+120/192]
__elv_add_request+0x78/0xc0
Oct 29 18:48:46 master1 kernel: [blk_insert_request+184/224]
blk_insert_request+0xb8/0xe0
Oct 29 18:48:46 master1 kernel: [scsi_insert_special_req+58/64]
scsi_insert_special_req+0x3a/0x40
Oct 29 18:48:46 master1 kernel: [st_do_scsi+211/384] st_do_scsi+0xd3/0x180
Oct 29 18:48:46 master1 kernel: [st_sleep_done+0/224] st_sleep_done+0x0/0xe0
Oct 29 18:48:46 master1 kernel: [as_next_request+54/64]
as_next_request+0x36/0x40
Oct 29 18:48:46 master1 kernel: [read_tape+240/1120] read_tape+0xf0/0x460
Oct 29 18:48:46 master1 kernel: [st_read+659/864] st_read+0x293/0x360
Oct 29 18:48:46 master1 kernel: [vfs_read+159/288] vfs_read+0x9f/0x120
Oct 29 18:48:46 master1 kernel: [sys_read+81/128] sys_read+0x51/0x80
Oct 29 18:48:46 master1 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Oct 29 18:48:46 master1 kernel: ------------[ cut here ]------------
Oct 29 18:48:46 master1 kernel: kernel BUG at <bad filename>:11753!
Oct 29 18:48:46 master1 kernel: invalid operand: 0000 [#1]
Oct 29 18:48:46 master1 kernel: Modules linked in: snd_via82xx snd_ac97_codec
snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc s
nd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore w83627hf i2c_sensor
i2c_isa i2c_viapro i2c_core
Oct 29 18:48:46 master1 kernel: CPU: 0
Oct 29 18:48:46 master1 kernel: EIP: 0061:[dma_map_single+340/368] Not
tainted VLI
Oct 29 18:48:46 master1 kernel: EFLAGS: 00011246 (2.6.11.12-xen0)
Oct 29 18:48:46 master1 kernel: EIP is at dma_map_single+0x154/0x170
Oct 29 18:48:46 master1 kernel: eax: 00000000 ebx: cc2a9000 ecx: c048fb58
edx: 00000000
Oct 29 18:48:46 master1 kernel: esi: 00000002 edi: cc0a7f54 ebp: c7848000
esp: c54c9d38
Oct 29 18:48:46 master1 kernel: ds: 007b es: 007b ss: 0069
Oct 29 18:48:46 master1 kernel: Process buffer (pid: 11451, threadinfo=c54c8000
task=cc0e9590)
Oct 29 18:48:46 master1 kernel: Stack: cc2a9044 00008000 c54c9d4c 00000000
00000000 63ac0000 cc2a9000 cc0a5040
Oct 29 18:48:46 master1 kernel: cc0a7f54 cc0a7c00 c031bc3d cc2a9044
c7848000 00008000 00000002 cc0a5040
Oct 29 18:48:46 master1 kernel: cc0a7c00 c031c085 cc2a9000 cc0a5040
00000000 cc0a5040 cc0a7f66 c031c0e8
Oct 29 18:48:46 master1 kernel: Call Trace:
Oct 29 18:48:46 master1 kernel: Call Trace:
Oct 29 18:48:46 master1 kernel: [__map_scsi_single_data+61/96]
__map_scsi_single_data+0x3d/0x60
Oct 29 18:48:46 master1 kernel: [sym_scatter_no_sglist+85/128]
sym_scatter_no_sglist+0x55/0x80
Oct 29 18:48:46 master1 kernel: [sym_scatter+56/208] sym_scatter+0x38/0xd0
Oct 29 18:48:46 master1 kernel: [sym_setup_data_and_start+230/576]
sym_setup_data_and_start+0xe6/0x240
Oct 29 18:48:46 master1 kernel: [sym_queue_command+230/256]
sym_queue_command+0xe6/0x100
Oct 29 18:48:46 master1 kernel: [sym53c8xx_queue_command+128/176]
sym53c8xx_queue_command+0x80/0xb0
Oct 29 18:48:46 master1 kernel: [scsi_dispatch_cmd+305/480]
scsi_dispatch_cmd+0x131/0x1e0
Oct 29 18:48:46 master1 kernel: [scsi_done+0/48] scsi_done+0x0/0x30
Oct 29 18:48:46 master1 kernel: [scsi_times_out+0/176] scsi_times_out+0x0/0xb0
Oct 29 18:48:46 master1 kernel: [scsi_request_fn+431/848]
scsi_request_fn+0x1af/0x350
Oct 29 18:48:46 master1 kernel: [__elv_add_request+120/192]
__elv_add_request+0x78/0xc0
Oct 29 18:48:46 master1 kernel: [blk_insert_request+184/224]
blk_insert_request+0xb8/0xe0
Oct 29 18:48:46 master1 kernel: [scsi_insert_special_req+58/64]
scsi_insert_special_req+0x3a/0x40
Oct 29 18:48:46 master1 kernel: [st_do_scsi+211/384] st_do_scsi+0xd3/0x180
Oct 29 18:48:46 master1 kernel: [st_sleep_done+0/224] st_sleep_done+0x0/0xe0
Oct 29 18:48:46 master1 kernel: [as_next_request+54/64]
as_next_request+0x36/0x40
Oct 29 18:48:46 master1 kernel: [read_tape+240/1120] read_tape+0xf0/0x460
Oct 29 18:48:46 master1 kernel: [st_read+659/864] st_read+0x293/0x360
Oct 29 18:48:46 master1 kernel: [vfs_read+159/288] vfs_read+0x9f/0x120
Oct 29 18:48:46 master1 kernel: [sys_read+81/128] sys_read+0x51/0x80
Oct 29 18:48:46 master1 kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Oct 29 18:48:46 master1 kernel: Code: e8 32 8f ff ff e9 19 ff ff ff 8b 44 24 34
89 6c 24 04 89 44 24 08 8b 44 24 10 89 04 24 e8 35 e4 0c 0
0 eb 87 0f 0b e9 53 ff ff ff <0f> 0b e9 2d ff ff ff 0f 0b e9 b6 fe ff ff 8d b4
26 00 00 00 00
master1:~# xm dmesg
ERROR: cannot use unconfigured serial port COM1
__ __ ____ ___ _____
\ \/ /___ _ __ |___ \ / _ \|___ |
\ // _ \ '_ \ __) || | | | / /
/ \ __/ | | | / __/ | |_| | / /
/_/\_\___|_| |_| |_____(_)___(_)_/
http://www.cl.cam.ac.uk/netos/xen
University of Cambridge Computer Laboratory
Xen version 2.0.7 (root@xxxxxxxxxxxxx) (gcc-Version 3.3.5 (Debian 1:3.3.5-13))
So Sep 11 20:26:19 CEST 2005
Latest ChangeSet:
(XEN) Physical RAM map:
(XEN) 0000000000000000 - 000000000009fc00 (usable)
(XEN) 000000000009fc00 - 00000000000a0000 (reserved)
(XEN) 00000000000e4000 - 0000000000100000 (reserved)
(XEN) 0000000000100000 - 000000007ffb0000 (usable)
(XEN) 000000007ffb0000 - 000000007ffc0000 (ACPI data)
(XEN) 000000007ffc0000 - 000000007fff0000 (ACPI NVS)
(XEN) 000000007fff0000 - 0000000080000000 (reserved)
(XEN) 00000000ff780000 - 0000000100000000 (reserved)
(XEN) System RAM: 2047MB (2096444kB)
(XEN) Xen heap: 10MB (10732kB)
(XEN) CPU0: Before vendor init, caps: 078bfbff e3d3fbff 00000000, vendor = 2
(XEN) CPU caps: 078bfbff e3d3fbff 00000000 00000000
(XEN) found SMP MP-table at 000ff780
(XEN) ACPI: RSDP (v000 ACPIAM ) @ 0x000fa7c0
(XEN) ACPI: RSDT (v001 A M I OEMRSDT 0x10000506 MSFT 0x00000097) @ 0x7ffb0000
(XEN) ACPI: FADT (v001 A M I OEMFACP 0x10000506 MSFT 0x00000097) @ 0x7ffb0200
(XEN) ACPI: MADT (v001 A M I OEMAPIC 0x10000506 MSFT 0x00000097) @ 0x7ffb0390
(XEN) ACPI: OEMB (v001 A M I OEMBIOS 0x10000506 MSFT 0x00000097) @ 0x7ffc0040
(XEN) ACPI: DSDT (v001 A0036 A0036001 0x00000001 MSFT 0x0100000d) @ 0x00000000
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 Special controller APIC version 16
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x81] disabled)
(XEN) Processor #129 invalid (max 16)
(XEN) Using ACPI for processor (LAPIC) configuration information
(XEN) Intel MultiProcessor Specification v1.1
(XEN) Virtual Wire compatibility mode.
(XEN) OEM ID: ASUSTeK Product ID: Deluxe APIC at: 0xFEE00000
(XEN) I/O APIC #1 Version 3 at 0xFEC00000.
(XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
(XEN) Processors: 1
(XEN) Using scheduler: Borrowed Virtual Time (bvt)
(XEN) Initializing CPU#0
(XEN) Detected 1802.321 MHz processor.
(XEN) CPU0: Before vendor init, caps: 078bfbff e3d3fbff 00000000, vendor = 2
(XEN) CPU caps: 078bfbff e3d3fbff 00000000 00000000
(XEN) CPU0 booted
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 00000004
(XEN) ESR value after enabling vector: 00000000
(XEN) Error: only one processor found.
(XEN) ENABLING IO-APIC IRQs
(XEN) Setting 1 in the phys_id_present_map
(XEN) ...changing IO-APIC physical APIC ID to 1 ... ok.
(XEN) init IO_APIC IRQs
(XEN) ..TIMER: vector=0x41 pin1=2 pin2=0
(XEN) Using local APIC timer interrupts.
(XEN) Calibrating APIC timer for CPU0...
(XEN) ..... CPU speed is 1802.3455 MHz.
(XEN) ..... Bus speed is 200.2606 MHz.
(XEN) ..... bus_scale = 0x0000CD16
(XEN) Time init:
(XEN) .... System Time: 11130670ns
(XEN) .... cpu_freq: 00000000:6B6D3FC4
(XEN) .... scale: 00000001:1C13F832
(XEN) .... Wall Clock: 1130691014s 150000us
(XEN) PCI: PCI BIOS revision 2.10 entry at 0xf0031, last bus=1
(XEN) PCI: Using configuration type 1
(XEN) PCI: Probing PCI hardware
(XEN) PCI: Probing PCI hardware (bus 00)
(XEN) PCI: Using IRQ router default [1106/3227] at 00:11.0
(XEN) PCI->APIC IRQ transform: (B0,I7,P0) -> 16
(XEN) PCI->APIC IRQ transform: (B0,I8,P0) -> 18
(XEN) PCI->APIC IRQ transform: (B0,I9,P0) -> 16
(XEN) PCI->APIC IRQ transform: (B0,I10,P0) -> 17
(XEN) PCI->APIC IRQ transform: (B0,I15,P1) -> 20
(XEN) PCI->APIC IRQ transform: (B0,I15,P0) -> 20
(XEN) PCI->APIC IRQ transform: (B0,I16,P0) -> 21
(XEN) PCI->APIC IRQ transform: (B0,I16,P0) -> 21
(XEN) PCI->APIC IRQ transform: (B0,I16,P1) -> 21
(XEN) PCI->APIC IRQ transform: (B0,I16,P1) -> 21
(XEN) PCI->APIC IRQ transform: (B0,I16,P2) -> 21
(XEN) PCI->APIC IRQ transform: (B0,I17,P2) -> 22
(XEN) PCI->APIC IRQ transform: (B1,I0,P0) -> 16
(XEN) PCI: Via IRQ fixup for 00:10.3, from 10 to 5
(XEN) PCI: Via IRQ fixup for 00:10.2, from 10 to 5
(XEN) PCI: Via IRQ fixup for 00:10.1, from 11 to 5
(XEN) PCI: Via IRQ fixup for 00:10.0, from 11 to 5
(XEN) mtrr: v2.0 (20020519)
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Xen-ELF header found:
'GUEST_OS=linux,GUEST_VER=2.6,XEN_VER=2.0,VIRT_BASE=0xC0000000,LOADER=generic,PT_MODE_WRITABLE'
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN) Kernel image: 00c00000->01073f28
(XEN) Initrd image: 00000000->00000000
(XEN) Dom0 alloc.: 01400000->0d750000
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN) Loaded kernel: c0100000->c05a3da8
(XEN) Init. ramdisk: c05a4000->c05a4000
(XEN) Phys-Mach map: c05a4000->c05d4d40
(XEN) Page tables: c05d5000->c05d8000
(XEN) Start info: c05d8000->c05d9000
(XEN) Boot stack: c05d9000->c05da000
(XEN) TOTAL: c0000000->c0800000
(XEN) ENTRY ADDRESS: c0100000
(XEN) Scrubbing DOM0 RAM: ..done.
(XEN) Scrubbing Free RAM: .....................done.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to
Xen).
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