(cc linux-pci and Rafael) On Mon, 7 Dec 2009 11:59:57 -0800 Stephen Hemminger <shemminger@xxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, 7 Dec 2009 11:50:57 -0800 > Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > > (switched to email. Please respond via emailed reply-to-all, not via the > > bugzilla web interface). > > > > On Fri, 4 Dec 2009 09:02:21 GMT > > bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=14730 > > > > > > Summary: sky2 won't work after suspend/resume cycle > > > Product: Power Management > > > Version: 2.5 > > > Platform: All > > > OS/Version: Linux > > > Tree: Mainline > > > Status: NEW > > > Severity: high > > > Priority: P1 > > > Component: Hibernation/Suspend > > > AssignedTo: power-management_other@xxxxxxxxxxxxxxxxxxxx > > > ReportedBy: mat@xxxxxxxxxx > > > Regression: Yes > > > > > > > > > I use sky2 network adapter in my Fujitsu Siemens Esprimo Mobile U9200. It > > > worked fine up until 2.6.31-rc3 (or at least that's the last one I tried it > > > works for me) and in all versions after that I tried it stops working after > > > suspend/resume cycle (I use powersave daemon, but I also tried without it - > > > effect is the same). > > > > > > After resume what I see in dmesg is this: > > > > > > sky2 driver version 1.23 > > > sky2 0000:04:00.0: enabling device (0000 -> 0003) > > > sky2 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > > > sky2 0000:04:00.0: setting latency timer to 64 > > > sky2 0000:04:00.0: unsupported chip type 0xff > > > > It looks like reads from the device are returning all-ones. > > > > That means something in PM didn't turn on the bus, so driver is out of > luck. Most of these problems have been traced back to generic PCI > power management, nothing in driver runs before this. OK, thanks - I cast the Cc net a bit wider. Hopefully a suitable fish will swim into it. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html