Messages in this thread | | | Date | Sun, 17 Aug 2008 12:16:32 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] net: forcedeth use pci_choose_state instead of PCI_D3hot - v2 |
| |
On Sun, Aug 17, 2008 at 9:55 AM, Rafael J. Wysocki <rjw@sisk.pl> wrote: > On Sunday, 17 of August 2008, Rafael J. Wysocki wrote: >> On Sunday, 17 of August 2008, Yinghai Lu wrote: >> > after >> > >> > | commit f735a2a1a4f2a0f5cd823ce323e82675990469e2 >> > | Author: Tobias Diedrich <ranma+kernel@tdiedrich.de> >> > | Date: Sun May 18 15:02:37 2008 +0200 >> > | >> > | [netdrvr] forcedeth: setup wake-on-lan before shutting down >> > | >> > | When hibernating in 'shutdown' mode, after saving the image the suspend hook >> > | is not called again. >> > | However, if the device is in promiscous mode, wake-on-lan will not work. >> > | This adds a shutdown hook to setup wake-on-lan before the final shutdown. >> > | >> > | Signed-off-by: Tobias Diedrich <ranma+kernel@tdiedrich.de> >> > | Signed-off-by: Jeff Garzik <jgarzik@redhat.com> >> > >> > my servers with nvidia mcp55 nic doesn't work with msi in second kernel by kexec >> > >> > after remove pci_set_power_state(, PCI_D3hot) that nic/msi will work again. >> > >> > check with e1000 is using pci_choose_state in _shutdown. > > This is wrong. > >> > So change that pci_choose_state(pdev, ...), and it works. >> >> Well, this doesn't look like a good solution to me, because you're putting >> PMSG_SUSPEND in there, which is not correct for shutdown. The right thing to >> do would be to avoid changing the device power state if nv_shutdown() is >> used for kexec or to rework the initialization of the adapter to handle the >> case when it's initially in D3. >> >> Does it help if you just remove the pci_set_power_state(pdev, PCI_D3hot) >> altogether? > > Ah, sorry. I see it does. > > Actually, I think you can use pci_prepare_to_sleep() instead of > pci_enable_wake() / pci_set_power_state() combo. It wasn't designed for this > purpose, but should work nevertheless. > > Can you please check if the appended patch works instead of your one? > > Rafael > > --- > Fix the problem that boxes with NVidia MCP55 don't work with MSI > in a kexeced kernel. > > Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> > --- > drivers/net/forcedeth.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > Index: linux-2.6/drivers/net/forcedeth.c > =================================================================== > --- linux-2.6.orig/drivers/net/forcedeth.c > +++ linux-2.6/drivers/net/forcedeth.c > @@ -5975,10 +5975,8 @@ static void nv_shutdown(struct pci_dev * > if (netif_running(dev)) > nv_close(dev); > > - pci_enable_wake(pdev, PCI_D3hot, np->wolenabled); > - pci_enable_wake(pdev, PCI_D3cold, np->wolenabled); > pci_disable_device(pdev); > - pci_set_power_state(pdev, PCI_D3hot); > + pci_prepare_to_sleep(pdev); > } > #else > #define nv_suspend NULL > >
your patch doesn't work... it seems that silicon has problem with D3Hot
calling init_nic+0x0/0x1b forcedeth: Reverse Engineered nForce ethernet driver. Version 0.61. .. forcedeth 0000:00:09.0: BAR 0: got res [0xdefb9000-0xdefb9fff] bus [0xdefb9000-0xdefb9fff] flags 0x20200 forcedeth 0000:00:09.0: BAR 0: error updating (0xdefb9000 != 0x000000) forcedeth 0000:00:09.0: BAR 0: moved to bus [0xdefb9000-0xdefb9fff] flags 0x20200 forcedeth 0000:00:09.0: BAR 1: got res [0x8080-0x8087] bus [0x8080-0x8087] flags 0x20101 forcedeth 0000:00:09.0: BAR 1: moved to bus [0x8080-0x8087] flags 0x20101 forcedeth 0000:00:09.0: BAR 2: got res [0xdefbe000-0xdefbe0ff] bus [0xdefbe000-0xdefbe0ff] flags 0x20200 forcedeth 0000:00:09.0: BAR 2: moved to bus [0xdefbe000-0xdefbe0ff] flags 0x20200 forcedeth 0000:00:09.0: BAR 3: got res [0xdefb8c00-0xdefb8c0f] bus [0xdefb8c00-0xdefb8c0f] flags 0x20200 forcedeth 0000:00:09.0: BAR 3: moved to bus [0xdefb8c00-0xdefb8c0f] flags 0x20200 forcedeth 0000:00:09.0: enabling device (0000 -> 0003) forcedeth 0000:00:09.0: PCI INT A -> Link[LMAD] -> GSI 20 (level, low) -> IRQ 20 forcedeth 0000:00:09.0: enabling bus mastering forcedeth 0000:00:09.0: setting latency timer to 64 forcedeth 0000:00:09.0: Invalid Mac address detected: ff:ff:ff:ff:ff:ff forcedeth 0000:00:09.0: Please complain to your hardware vendor. Switching to a random MAC. forcedeth 0000:00:09.0: open: Could not find a valid PHY. forcedeth 0000:00:09.0: PCI INT A disabled forcedeth: probe of 0000:00:09.0 failed with error -12
forcedeth 0000:80:08.0: BAR 0: got res [0xddefb000-0xddefbfff] bus [0xddefb000-0xddefbfff] flags 0x20200 forcedeth 0000:80:08.0: BAR 0: moved to bus [0xddefb000-0xddefbfff] flags 0x20200 forcedeth 0000:80:08.0: BAR 1: got res [0x4080-0x4087] bus [0x4080-0x4087] flags 0x20101 forcedeth 0000:80:08.0: BAR 1: moved to bus [0x4080-0x4087] flags 0x20101 forcedeth 0000:80:08.0: BAR 2: got res [0xddefac00-0xddefacff] bus [0xddefac00-0xddefacff] flags 0x20200 forcedeth 0000:80:08.0: BAR 2: moved to bus [0xddefac00-0xddefacff] flags 0x20200 forcedeth 0000:80:08.0: BAR 3: got res [0xddefa800-0xddefa80f] bus [0xddefa800-0xddefa80f] flags 0x20200 forcedeth 0000:80:08.0: BAR 3: moved to bus [0xddefa800-0xddefa80f] flags 0x20200 forcedeth 0000:80:08.0: enabling device (0000 -> 0003) forcedeth 0000:80:08.0: PCI INT A -> Link[IIM0] -> GSI 47 (level, low) -> IRQ 47 forcedeth 0000:80:08.0: enabling bus mastering forcedeth 0000:80:08.0: setting latency timer to 64 nv_probe: set workarund bit for reversed mac addr forcedeth 0000:80:08.0: ifname eth1, PHY OUI 0x5043 @ 2, addr 00:14:4f:8d:5d:b0 forcedeth 0000:80:08.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim msi desc-v3 ... initcall init_nic+0x0/0x1b returned 0 after 5351 msecs
YH
| |