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Date: Thu, 7 Jan 2010 14:17:19 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: netdev@...r.kernel.org Cc: bugzilla-daemon@...zilla.kernel.org, bugme-daemon@...zilla.kernel.org, ossi@....org, Gary Zambrano <zambrano@...adcom.com> Subject: Re: [Bugme-new] [Bug 14969] New: b44: WOL does not work in suspended state (switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Fri, 1 Jan 2010 12:26:16 GMT bugzilla-daemon@...zilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=14969 > > Summary: b44: WOL does not work in suspended state > Product: Drivers > Version: 2.5 > Kernel Version: 2.6.32.2 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: Network > AssignedTo: drivers_network@...nel-bugs.osdl.org > ReportedBy: ossi@....org > Regression: No > > > WOL works fine if the system is powered down. it does not work with echo > mem/disk > /sys/power/state. for disk, it does not matter whether > /sys/power/disk is platform or shutdown. > > # lspci -vv > 00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM > Controller/Host-Hub Interface (rev 03) > Subsystem: ASUSTeK Computer Inc. Device 80b1 > 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 > Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M] > Capabilities: [e4] Vendor Specific Information <?> > Kernel driver in use: agpgart-intel > ... > 02:05.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev 01) > Subsystem: ASUSTeK Computer Inc. A7V8X motherboard > 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: 32 > Interrupt: pin A routed to IRQ 11 > Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=8K] > Capabilities: [40] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA > PME(D0+,D1+,D2+,D3hot+,D3cold+) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=2 PME- > Kernel driver in use: b44 > > as becomes obvious from the pci dump, and is explained by reading the code, the > driver does not set up the hardware for WOL until the device is closed. maybe > this path is not taken at all when hibernating/suspending? > > related bugs for other nics are: bug 8381, bug 8637, ... > > > on a somewhat related note, > cat /sys/class/net/eth0/device/power/wakeup > outputs just an empty line instead of enabled/disabled (like it does for the > non-b44 eth1). -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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