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Subject"sync" option with usb storage makes it real slow since 2.6.13
Hi all,

When I mount an usb stick with the option "sync" (USB 2.0) I got a
writing speed about 15 kbyte/s. Reading is ok (ca. 1 s for 2,3 MB).
It doesn't matter if trying as root or normal user. I only have to
unmount the stick and remount it without "sync" and writing is fast.
That means I write something on the stick (ok it's buffered) and
then I type "sync" as command and after 1 s it's done (LED from
usb stick turned off and data were written).

All this starts with kernel 2.6.13, 2.6.12 was ok.

I'm using 2.6.13 (not >)!
If it's solved in an newer Kernel, please ignore this email.

Keywords: usb (maybe storage)


Greetz
Simon



processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 9
model name : Intel(R) Pentium(R) M processor 1500MHz
stepping : 5
cpu MHz : 798.217
cache size : 1024 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 tm pbe est tm2
bogomips : 1597.18





af_packet 12680 2 - Live 0xe0f91000
ipt_mac 1664 0 - Live 0xe0f65000
ipt_state 1664 0 - Live 0xe0f63000
iptable_filter 2304 0 - Live 0xe0f00000
ip_conntrack_ftp 71568 0 - Live 0xe0f4c000
irtty_sir 5120 0 - Live 0xe0f1c000
sir_dev 13100 1 irtty_sir, Live 0xe0f47000
irda 110520 1 sir_dev, Live 0xe0f6a000
crc_ccitt 1920 1 irda, Live 0xe0f02000
lp 9284 0 - Live 0xe0f15000
pcmcia 30760 2 - Live 0xe0f3e000
joydev 8000 0 - Live 0xe0f12000
parport_pc 24772 1 - Live 0xe0f36000
parport 32584 2 lp,parport_pc, Live 0xe0f2d000
rtc 9528 0 - Live 0xe0f05000
usb_storage 39172 1 - Live 0xe0f22000
usbhid 28548 0 - Live 0xe0f0a000
yenta_socket 21900 2 - Live 0xe0e24000
rsrc_nonstatic 11392 1 yenta_socket, Live 0xe0ecf000
ipw2100 131328 0 - Live 0xe0e2f000
ieee80211 50244 1 ipw2100, Live 0xe0e14000
ieee80211_crypt 4612 1 ieee80211, Live 0xe0e2c000
ohci1394 31156 0 - Live 0xe0e05000
ieee1394 284728 1 ohci1394, Live 0xe0e53000
snd_intel8x0m 14916 0 - Live 0xe0dca000
ehci_hcd 27784 0 - Live 0xe0d77000
uhci_hcd 29072 0 - Live 0xe0dc1000
usbcore 101628 5 usb_storage,usbhid,ehci_hcd,uhci_hcd, Live 0xe0de0000
intel_agp 20252 1 - Live 0xe0d68000
eeprom 5776 0 - Live 0xe0b86000
lm90 10660 0 - Live 0xe0c03000
i2c_sensor 2944 2 eeprom,lm90, Live 0xe0b89000
i2c_i801 7820 0 - Live 0xe0b81000
i2c_core 16784 4 eeprom,lm90,i2c_sensor,i2c_i801, Live 0xe0bf2000
cryptoloop 3200 0 - Live 0xe0b84000
ip_conntrack 38552 2 ipt_state,ip_conntrack_ftp, Live 0xe0bf8000
ip_tables 20096 3 ipt_mac,ipt_state,iptable_filter, Live 0xe0be5000
nvidia 3692744 12 - Live 0xe0fa1000
agpgart 27976 2 intel_agp,nvidia, Live 0xe0b8b000
smbfs 60024 0 - Live 0xe0b93000




0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
0376-0376 : ide1
0378-037a : parport0
03c0-03df : vesafb
03f6-03f6 : ide0
0cf8-0cff : PCI conf1
1000-107f : 0000:00:1f.0
1000-107f : motherboard
1000-1003 : PM1a_EVT_BLK
1004-1005 : PM1a_CNT_BLK
1008-100b : PM_TMR
1010-1015 : ACPI CPU throttle
1020-1020 : PM2_CNT_BLK
1028-102f : GPE0_BLK
10ac-10ac : motherboard
1100-111f : 0000:00:1f.3
1100-111f : motherboard
1100-110f : i801-smbus
1180-11bf : 0000:00:1f.0
1180-11bf : motherboard
1800-181f : 0000:00:1d.0
1800-181f : uhci_hcd
1820-183f : 0000:00:1d.1
1820-183f : uhci_hcd
1840-184f : 0000:00:1f.1
1840-1847 : ide0
1848-184f : ide1
1880-18bf : 0000:00:1f.5
1880-18bf : Intel 82801DB-ICH4
1c00-1cff : 0000:00:1f.5
1c00-1cff : Intel 82801DB-ICH4
2000-207f : 0000:00:1f.6
2400-24ff : 0000:00:1f.6
3000-3fff : PCI Bus #02
3000-303f : 0000:02:08.0
3000-303f : e100
3400-34ff : PCI CardBus #03
3800-38ff : PCI CardBus #03
e000-e07f : motherboard
e080-e0ff : motherboard
e400-e47f : motherboard
e480-e4ff : motherboard
e800-e87f : motherboard
e880-e8ff : motherboard
ec00-ec7f : motherboard
ec80-ecff : motherboard




00000000-0009f7ff : System RAM
00000000-00000000 : Crash kernel
0009f800-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000d0000-000d3fff : reserved
000d4000-000d57ff : Adapter ROM
000e3000-000e3fff : Adapter ROM
000f0000-000fffff : System ROM
00100000-1ff5ffff : System RAM
00100000-0044b72e : Kernel code
0044b72f-0057bc87 : Kernel data
1ff60000-1ff69fff : ACPI Tables
1ff6a000-1ff6afff : reserved
1ff6b000-1ff6ffff : ACPI Non-volatile Storage
1ff70000-1fffffff : reserved
20000000-21ffffff : PCI Bus #02
20000000-21ffffff : PCI CardBus #03
22000000-220003ff : 0000:00:1f.1
24000000-25ffffff : PCI CardBus #03
c0000000-c00003ff : 0000:00:1d.7
c0000000-c00003ff : ehci_hcd
c0000800-c00008ff : 0000:00:1f.5
c0000800-c00008ff : Intel 82801DB-ICH4
c0000c00-c0000dff : 0000:00:1f.5
c0000c00-c0000dff : Intel 82801DB-ICH4
c1000000-c1ffffff : PCI Bus #01
c1000000-c1ffffff : 0000:01:00.0
c1000000-c1ffffff : nvidia
c2000000-c20fffff : PCI Bus #02
c2000000-c2003fff : 0000:02:07.0
c2004000-c2004fff : 0000:02:08.0
c2004000-c2004fff : e100
c2005000-c2005fff : 0000:02:0a.0
c2005000-c2005fff : ipw2100
c2006000-c20067ff : 0000:02:07.0
c2006000-c20067ff : ohci1394
c2006800-c20069ff : 0000:02:0d.0
c2007000-c2007fff : 0000:02:0b.0
c2007000-c2007fff : yenta_socket
d0000000-dfffffff : 0000:00:00.0
e0000000-efffffff : PCI Bus #01
e0000000-efffffff : 0000:01:00.0
e0000000-e3ffffff : vesafb
ffb80000-ffbfffff : reserved
fff80000-ffffffff : reserved

--
GnuPG: 5755FB64
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