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Guet35

Problème de carte série

Bonjour,

J'utilise un ordinateur Fujitsu Esprimo C5730 sur lequel j'ai installé une carte série disponible ici pour communiquer avec des imprimantes séries.

Mon problème est le suivant, lorsque j'installe ma carte pour avoir des ports séries supplémentaires, la carte a l'air d'être détecté mais avec des erreurs. (detected caps 00000700 should be 00000500)
Le ttyS0 et S1 sont directement intégrés à la carte mère et fonctionne bien.

dmesg | grep ttyS
[    1.047235] 00:06: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    1.067875] 00:07: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    1.090567] 0000:00:03.3: ttyS4 at I/O 0x1c90 (irq = 17, base_baud = 115200) is a 16550A
[    1.091032] ttyS5: detected caps 00000700 should be 00000500
[    1.091038] 0000:04:05.0: ttyS5 at I/O 0x2020 (irq = 22, base_baud = 115200) is a 16C950/954
[    1.091265] ttyS6: detected caps 00000700 should be 00000500
[    1.091269] 0000:04:05.0: ttyS6 at I/O 0x2028 (irq = 22, base_baud = 115200) is a 16C950/954
[    1.091476] ttyS7: detected caps 00000700 should be 00000500
[    1.091480] 0000:04:05.0: ttyS7 at I/O 0x2030 (irq = 22, base_baud = 115200) is a 16C950/954
[    1.091685] ttyS8: detected caps 00000700 should be 00000500
[    1.091689] 0000:04:05.0: ttyS8 at I/O 0x2038 (irq = 22, base_baud = 115200) is a 16C950/954
[    1.092091] 0000:04:05.1: ttyS9 at I/O 0x2060 (irq = 22, base_baud = 115200) is a 16450
[    1.092272] 0000:04:05.1: ttyS10 at I/O 0x2068 (irq = 22, base_baud = 115200) is a 16450
[    1.092440] 0000:04:05.1: ttyS11 at I/O 0x2070 (irq = 22, base_baud = 115200) is a 16450
[    1.092607] 0000:04:05.1: ttyS12 at I/O 0x2078 (irq = 22, base_baud = 115200) is a 16450

Après moultes recherches je ne trouve pas le moyen d'enlever cette erreur qui me permettrais de faire fonctionner mes ports séries supplémentaires.

Voici quelques infos sur mon linux

cat /etc/lsb-release                     
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS"

lspci
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation 4 Series Chipset PCI Express Root Port (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
00:03.0 Communication controller: Intel Corporation 4 Series Chipset HECI Controller (rev 03)
00:03.2 IDE interface: Intel Corporation 4 Series Chipset PT IDER Controller (rev 03)
00:03.3 Serial controller: Intel Corporation 4 Series Chipset Serial KT Controller (rev 03)
00:19.0 Ethernet controller: Intel Corporation 82567LF-3 Gigabit Network Connection (rev 02)
00:1a.0 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801JD/DO (ICH10 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 1 (rev 02)
00:1c.4 PCI bridge: Intel Corporation 82801JD/DO (ICH10 Family) PCI Express Port 5 (rev 02)
00:1d.0 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801JD/DO (ICH10 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a2)
00:1f.0 ISA bridge: Intel Corporation 82801JD (ICH10D) LPC Interface Controller (rev 02)
00:1f.2 SATA controller: Intel Corporation 82801JD/DO (ICH10 Family) SATA AHCI Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801JD/DO (ICH10 Family) SMBus Controller (rev 02)
04:05.0 Serial controller: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) function 0 (Uart) (rev 01)
04:05.1 Bridge: Oxford Semiconductor Ltd OX16PCI954 (Quad 16950 UART) function 1 (8bit bus) (rev 01)

uname -a
Linux PLX01227 4.4.0-64-generic #85-Ubuntu SMP Mon Feb 20 11:49:39 UTC 2017 i686 i686 i686 GNU/Linux