On 2013/3/12 9:00, Martin Mokrejs wrote: > Hi, > I cold-booted a computer with the card inserted before power-on and collected > lspci output and express card slot status every second. Then I tried eject and > hotplug inserts and it appearts the card is not detected, actually maybe pciehp > is not even suppoosed to work in this case as the slot was occupied during boot. > But let me come to it later. > > I noted the following on the very first eject of the so far cold-plugged card > that lspci properly reports PresDet change on the Changed: line. The only time > I ever saw it. ;-) Hi Martin, PresDet change bit will be cleaned as soon as pciehp driver received the inturrupt from hardware, So it's difficult to capture the change. > > > I re-plugged the card and ejected several times while the while loops > collecting lspci and slot_status via the setpci shell command harvested > data. Still, in dmesg there was nothing logged regarding card insert/eject. > Eventually, I tried rmmod sata_sil24 (did NOT need 'rmmod -f') and that > did log something new. No new dmesg info when insert/eject maybe indicate the pciehp driver never received the interrupt or there is no bit set about Presence Detect Changed here. Or there is debug info like : pcie_isr: intr_loc %x at least. eSATA card SiI 3132, no XHCI, hotplug only got problem with 3.9-rc1? or both at 3.7 3.8? -- Thanks! Yijing -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
