I've read that others have had problems with Atheros network cards, mostly with wireless cards. I'm having problems with a wired connection. Because of the problems with the wired connection, I'm using the wireless Atheros card which is working OK.
I recently installed Fedora 18 on an Acer laptop from a live CD. The installation went OK using a wired connection. But once I rebooted and started trying to do things, I discovered that my network connection "froze" every 10-30 minutes. (I would run a ping command from another machine on the same subnet and it would work fine until the freeze and then it would say "Destination Host Unreachable".) Although I can't rule out a hardware problem, it seems unlikely.
I found three ways to restore the connection:
1. Reboot
2. Remove the Ethernet cable from the computer and plug it back in.
3. Run the commands 'ip link set dev em1 down' and 'ip link set dev em1 up' as root.
Although I could probably write a script that checks the network connection and runs the two ip commands above if the connection is not present, I decided to use the wireless connection for now. I prefer wired connections, so I'd like to find out what is wrong and how to fix it.
Here is the information from the lspci command about my NIC:
$ lspci -s 02:00.0 -vvv
02:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v2.0 Fast Ethernet (rev c1)
Subsystem: Acer Incorporated [ALI] Device 0623
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 44
Region 0: Memory at c3400000 (64-bit, non-prefetchable) [size=256K]
Region 2: I/O ports at 3000 [size=128]
Capabilities: <access denied>
Kernel driver in use: atl1c
I have temporarily unplugged the wired connection.
I suspect this is a driver problem. Although I can't rule out a hardware problem, my wired connection worked fine with Fedora 16 before I upgraded.
I would appreciate any advice. Should I report this as a bug? Are there any other steps I should take to debug the problem? For example, are there any log files I should be looking at? I would really not like to re-install Fedora 18 unless I absolutely have to.
Thanks in advance.
I recently installed Fedora 18 on an Acer laptop from a live CD. The installation went OK using a wired connection. But once I rebooted and started trying to do things, I discovered that my network connection "froze" every 10-30 minutes. (I would run a ping command from another machine on the same subnet and it would work fine until the freeze and then it would say "Destination Host Unreachable".) Although I can't rule out a hardware problem, it seems unlikely.
I found three ways to restore the connection:
1. Reboot
2. Remove the Ethernet cable from the computer and plug it back in.
3. Run the commands 'ip link set dev em1 down' and 'ip link set dev em1 up' as root.
Although I could probably write a script that checks the network connection and runs the two ip commands above if the connection is not present, I decided to use the wireless connection for now. I prefer wired connections, so I'd like to find out what is wrong and how to fix it.
Here is the information from the lspci command about my NIC:
$ lspci -s 02:00.0 -vvv
02:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v2.0 Fast Ethernet (rev c1)
Subsystem: Acer Incorporated [ALI] Device 0623
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 44
Region 0: Memory at c3400000 (64-bit, non-prefetchable) [size=256K]
Region 2: I/O ports at 3000 [size=128]
Capabilities: <access denied>
Kernel driver in use: atl1c
I have temporarily unplugged the wired connection.
I suspect this is a driver problem. Although I can't rule out a hardware problem, my wired connection worked fine with Fedora 16 before I upgraded.
I would appreciate any advice. Should I report this as a bug? Are there any other steps I should take to debug the problem? For example, are there any log files I should be looking at? I would really not like to re-install Fedora 18 unless I absolutely have to.
Thanks in advance.