[Bug 46326] sky2 networking breaks on medium/heavy network load

[Brett Lempereur]

Public bug reported:

Binary package hint: linux-image-2.6.15-23-386

As of release -23 (any 32-bit arch, I haven't tested x64), using my nic
(w/ sky2) driver silently breaks when downloading/uploading (browsing
net etc.).  Requires an ifdown/ifup to fix, until it breaks again.
Wash, rinse and repeat ad nauseam.

This problem was definitely introduced in -23.

0000:02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 Gigabit Ethernet Controller (rev 22)
        Subsystem: AOPEN Inc.: Unknown device 0568
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
        Latency: 0, Cache Line Size: 0x08 (32 bytes)
        Interrupt: pin A routed to IRQ 50
        Region 0: Memory at fdcfc000 (64-bit, non-prefetchable) [size=16K]
        Region 2: I/O ports at de00 [size=256]
        Expansion ROM at fdd00000 [disabled] [size=128K]
        Capabilities: [48] Power Management version 2
                Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
                Status: D0 PME-Enable- DSel=0 DScale=1 PME-
        Capabilities: [50] Vital Product Data
        Capabilities: [5c] Message Signalled Interrupts: 64bit+ Queue=0/1 Enable-
                Address: 0000000000000000  Data: 0000
        Capabilities: [e0] #10 [0011]

** Affects: linux-source-2.6.15 (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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sky2 networking breaks on medium/heavy network load
https://launchpad.net/bugs/46326