Does anyone have any suspicions that the newly released 2.6.25 is going to help us here? It sounds like there are a lot of tweakins' coming through the interpipes with this release... Much along the lines of the NAS additions, (framework)?
On Thu, Mar 27, 2008 at 9:15 PM, Sebastien Estienne <[EMAIL PROTECTED]> wrote: > I'm using 2.6.24-7 and have no issue running synergyc as normal user, > every version >= 2.6.24-8 have this lagging behaviour. > > > > -- > 2.6.24-8 Introduces Network Issue > https://bugs.launchpad.net/bugs/194029 > You received this bug notification because you are a direct subscriber > of a duplicate bug. > > Status in Source Package "linux" in Ubuntu: Incomplete > Status in Source Package "synergy" in Ubuntu: Confirmed > > Bug description: > I'll apologize right off the bat for lacking more concrete information about > this bug, but perhaps you can guide me in isolating the issue better than I > could on my own. > > After upgrading my kernel (in hardy) to linux-image-2.6.24-8-generic from > linux-image-2.6.24-7-generic, I noticed that when using synergyc, input > 'hangs' on a regular basis. That is to say that when I move my mouse from the > synergy server to the hardy client system, the mouse will only move > intermittently, and keyboard input is similarly fragmented. None of the > movements or keystrokes are ever actually lost (Synergy uses TCP, so that's > expected), but movement is sporadic and jumpy, and keystrokes seem to > occasionally get 'buffered' and then arrive all at the same time. I > "confirmed" this was a kernel issue by rebooting and selecting the 2.6.24-7 > kernel, and the issue disappeared again. > > Also potentially of interest is that when I tried to diagnose the behavior > by running a packet capture through Wireshark on the problematic client, the > issue would never appear while capturing from the nic. Immediately after > ending the capture, the issue would again manifest itself. > > Even while the synergyc input was 'hung,' there was no apparent packet loss, > as measured by a ping flood to the hardy machine. > > Release: 8.04/hardy > Kernel: linux-image-2.6.24-8-generic 2.6.24-8.14 > Architecture: amd64 / x86_64 > > Hardware (as queried from 2.6.24-7): > Lenovo Thinkpad T61 > 00:19.0 Ethernet controller: Intel Corporation 82566MM Gigabit Network > Connection (rev 03) > Subsystem: Lenovo ThinkPad T61 > Flags: bus master, fast devsel, latency 0, IRQ 503 > Memory at fe200000 (32-bit, non-prefetchable) [size=128K] > Memory at fe225000 (32-bit, non-prefetchable) [size=4K] > I/O ports at 1840 [size=32] > Capabilities: [c8] Power Management version 2 > Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ > Queue=0/0 Enable+ > > $ ethtool -i eth0 > driver: e1000 > version: 7.3.20-k2-NAPI > firmware-version: 0.3-0 > bus-info: 0000:00:19.0 > > $ ethtool -d eth0 > MAC Registers > ------------- > 0x00000: CTRL (Device control register) 0x00140240 > Endian mode (buffers): little > Link reset: normal > Set link up: 1 > Invert Loss-Of-Signal: no > Receive flow control: disabled > Transmit flow control: disabled > VLAN mode: disabled > Auto speed detect: disabled > Speed select: 1000Mb/s > Force speed: no > Force duplex: no > 0x00008: STATUS (Device status register) 0x00080462 > Duplex: half > Link up: link config > TBI mode: enabled > Link speed: 100Mb/s > Bus type: PCI Express > Port number: 0 > 0x00100: RCTL (Receive control register) 0x00008002 > Receiver: enabled > Store bad packets: disabled > Unicast promiscuous: disabled > Multicast promiscuous: disabled > Long packet: disabled > Descriptor minimum threshold size: 1/2 > Broadcast accept mode: accept > VLAN filter: disabled > Canonical form indicator: disabled > Discard pause frames: filtered > Pass MAC control frames: don't pass > Receive buffer size: 2048 > 0x02808: RDLEN (Receive desc length) 0x00001000 > 0x02810: RDH (Receive desc head) 0x00000087 > 0x02818: RDT (Receive desc tail) 0x00000085 > 0x02820: RDTR (Receive delay timer) 0x00000000 > 0x00400: TCTL (Transmit ctrl register) 0x3103F0FA > Transmitter: enabled > Pad short packets: enabled > Software XOFF Transmission: disabled > Re-transmit on late collision: enabled > 0x03808: TDLEN (Transmit desc length) 0x00001000 > 0x03810: TDH (Transmit desc head) 0x000000DF > 0x03818: TDT (Transmit desc tail) 0x000000DF > 0x03820: TIDV (Transmit delay timer) 0x00000008 > PHY type: unknown > > > When queried from 2.6.24-8, only the following values change (which appear > to change between calls to that command anyway): > 0x02810: RDH (Receive desc head) 0x00000029 > 0x02818: RDT (Receive desc tail) 0x00000027 > > 0x03810: TDH (Transmit desc head) 0x00000003 > 0x03818: TDT (Transmit desc tail) 0x00000003 > -- 2.6.24-8 Introduces Network Issue https://bugs.launchpad.net/bugs/194029 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
