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Message-ID: <4898AA28.8000507@simon.arlott.org.uk>
Date: Tue, 05 Aug 2008 20:29:44 +0100
From: Simon Arlott <simon@...e.lp0.eu>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
netdev@...r.kernel.org, linux-pm@...ts.linux-foundation.org
CC: ranma+kernel@...edrich.de, jgarzik@...hat.com
Subject: forcedeth 10de:0373 doesn't work on resume
My NIC stops working after resuming from standby, it's not receiving any interrupts:
[ 0.618266] pci 0000:00:08.0: supports D1
[ 0.618267] pci 0000:00:08.0: supports D2
[ 0.618269] pci 0000:00:08.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.618382] pci 0000:00:08.0: PME# disabled
[ 0.618513] pci 0000:00:09.0: supports D1
[ 0.618523] pci 0000:00:09.0: supports D2
[ 0.618532] pci 0000:00:09.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.618632] pci 0000:00:09.0: PME# disabled
[ 0.629767] PM: Adding info for pci:0000:00:08.0
[ 0.630304] PM: Adding info for pci:0000:00:09.0
[ 0.866667] pci 0000:00:08.0: Enabling HT MSI Mapping
[ 0.866804] pci 0000:00:09.0: Enabling HT MSI Mapping
[ 1.847264] forcedeth: Reverse Engineered nForce ethernet driver. Version 0.61.
[ 1.847918] forcedeth 0000:00:08.0: PCI INT A -> Link[LMAC] -> GSI 21 (level, low) -> IRQ 21
[ 1.848121] forcedeth 0000:00:08.0: setting latency timer to 64
[ 1.849363] forcedeth 0000:00:08.0: ifname eth2, PHY OUI 0x5043 @ 16, addr 00:e0:81:4d:2b:ec
[ 1.849553] forcedeth 0000:00:08.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim msi desc-v3
[ 1.850212] forcedeth 0000:00:09.0: PCI INT A -> Link[LMAD] -> GSI 20 (level, low) -> IRQ 20
[ 1.850405] forcedeth 0000:00:09.0: setting latency timer to 64
[ 1.851684] forcedeth 0000:00:09.0: ifname eth3, PHY OUI 0x5043 @ 17, addr 00:e0:81:4d:2b:ed
[ 1.851873] forcedeth 0000:00:09.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim msi desc-v3
[ 913.928604] forcedeth 0000:00:08.0: preparing suspend, may wakeup
[ 913.928607] forcedeth 0000:00:09.0: preparing suspend, may wakeup
[ 916.388326] forcedeth 0000:00:09.0: suspend, may wakeup
[ 916.388704] forcedeth 0000:00:09.0: PME# enabled
[ 916.388711] forcedeth 0000:00:09.0: wake-up capability enabled by ACPI
[ 916.388714] forcedeth 0000:00:09.0: PCI INT A disabled
[ 916.398995] forcedeth 0000:00:08.0: suspend, may wakeup
[ 916.399741] forcedeth 0000:00:08.0: PME# enabled
[ 916.399767] forcedeth 0000:00:08.0: wake-up capability enabled by ACPI
[ 916.399786] forcedeth 0000:00:08.0: PCI INT A disabled
[ 917.255261] forcedeth 0000:00:09.0: LATE suspend, may wakeup
[ 917.255263] forcedeth 0000:00:08.0: LATE suspend, may wakeup
[ 917.256004] forcedeth 0000:00:08.0: EARLY resume
[ 917.256004] forcedeth 0000:00:09.0: EARLY resume
[ 918.015874] forcedeth 0000:00:08.0: resume
[ 918.026369] forcedeth 0000:00:08.0: restoring config space at offset 0xf (was 0x14010100, writing 0x1401010a)
[ 918.026395] forcedeth 0000:00:08.0: restoring config space at offset 0x7 (was 0x0, writing 0xfdffa400)
[ 918.026417] forcedeth 0000:00:08.0: restoring config space at offset 0x6 (was 0x0, writing 0xfdffa800)
[ 918.026428] forcedeth 0000:00:08.0: restoring config space at offset 0x5 (was 0x1, writing 0x9401)
[ 918.026436] forcedeth 0000:00:08.0: restoring config space at offset 0x4 (was 0x0, writing 0xfdff6000)
[ 918.026443] forcedeth 0000:00:08.0: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00007)
[ 918.026465] forcedeth 0000:00:08.0: wake-up capability disabled by ACPI
[ 918.026471] forcedeth 0000:00:08.0: PME# disabled
[ 918.027446] forcedeth 0000:00:09.0: resume
[ 918.037096] forcedeth 0000:00:09.0: restoring config space at offset 0xf (was 0x14010100, writing 0x1401010b)
[ 918.037115] forcedeth 0000:00:09.0: restoring config space at offset 0x7 (was 0x0, writing 0xfdff4c00)
[ 918.037120] forcedeth 0000:00:09.0: restoring config space at offset 0x6 (was 0x0, writing 0xfdffa000)
[ 918.037125] forcedeth 0000:00:09.0: restoring config space at offset 0x5 (was 0x1, writing 0x9081)
[ 918.037131] forcedeth 0000:00:09.0: restoring config space at offset 0x4 (was 0x0, writing 0xfdff5000)
[ 918.037137] forcedeth 0000:00:09.0: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00007)
[ 918.037160] forcedeth 0000:00:09.0: wake-up capability disabled by ACPI
[ 918.037174] forcedeth 0000:00:09.0: PME# disabled
[ 925.810837] forcedeth 0000:00:09.0: completing resume
[ 925.810841] forcedeth 0000:00:08.0: completing resume
Commit 25d90810ff49d2a63475776f24c74c6bb49b045f ([netdrvr] forcedeth: reorder suspend/resume code)
introduces pci_disable_device to nv_suspend, but there's no corresponding pci_enable_device in
nv_resume - so I added one (copied from e1000):
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 01b38b0..db4f875 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5922,6 +5922,13 @@ static int nv_resume(struct pci_dev *pdev)
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(KERN_ERR "forcedeth: Cannot enable PCI device from suspend\n");
+ return rc;
+ }
+ pci_set_master(pdev);
+
/* ack any pending wake events, disable PME */
pci_enable_wake(pdev, PCI_D0, 0);
This results in interrupts being re-enabled after suspend:
[ 0.619558] pci 0000:00:08.0: supports D1
[ 0.619560] pci 0000:00:08.0: supports D2
[ 0.619561] pci 0000:00:08.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.619684] pci 0000:00:08.0: PME# disabled
[ 0.619826] pci 0000:00:09.0: supports D1
[ 0.619828] pci 0000:00:09.0: supports D2
[ 0.619837] pci 0000:00:09.0: PME# supported from D0 D1 D2 D3hot D3cold
[ 0.619952] pci 0000:00:09.0: PME# disabled
[ 0.631145] PM: Adding info for pci:0000:00:08.0
[ 0.631699] PM: Adding info for pci:0000:00:09.0
[ 0.870662] pci 0000:00:08.0: Enabling HT MSI Mapping
[ 0.870809] pci 0000:00:09.0: Enabling HT MSI Mapping
[ 1.853343] forcedeth: Reverse Engineered nForce ethernet driver. Version 0.61.
[ 1.854016] forcedeth 0000:00:08.0: PCI INT A -> Link[LMAC] -> GSI 21 (level, low) -> IRQ 21
[ 1.854217] forcedeth 0000:00:08.0: setting latency timer to 64
[ 1.855468] forcedeth 0000:00:08.0: ifname eth2, PHY OUI 0x5043 @ 16, addr 00:e0:81:4d:2b:ec
[ 1.855658] forcedeth 0000:00:08.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim msi desc-v3
[ 1.856332] forcedeth 0000:00:09.0: PCI INT A -> Link[LMAD] -> GSI 20 (level, low) -> IRQ 20
[ 1.856528] forcedeth 0000:00:09.0: setting latency timer to 64
[ 1.857815] forcedeth 0000:00:09.0: ifname eth3, PHY OUI 0x5043 @ 17, addr 00:e0:81:4d:2b:ed
[ 1.858015] forcedeth 0000:00:09.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim msi desc-v3
[ 42.310803] forcedeth 0000:00:08.0: preparing suspend, may wakeup
[ 42.310807] forcedeth 0000:00:09.0: preparing suspend, may wakeup
[ 44.468801] forcedeth 0000:00:09.0: suspend, may wakeup
[ 44.469181] forcedeth 0000:00:09.0: PME# enabled
[ 44.469191] forcedeth 0000:00:09.0: wake-up capability enabled by ACPI
[ 44.469196] forcedeth 0000:00:09.0: PCI INT A disabled
[ 44.479247] forcedeth 0000:00:08.0: suspend, may wakeup
[ 44.479981] forcedeth 0000:00:08.0: PME# enabled
[ 44.480014] forcedeth 0000:00:08.0: wake-up capability enabled by ACPI
[ 44.480025] forcedeth 0000:00:08.0: PCI INT A disabled
[ 45.311781] forcedeth 0000:00:09.0: LATE suspend, may wakeup
[ 45.311784] forcedeth 0000:00:08.0: LATE suspend, may wakeup
[ 45.312005] forcedeth 0000:00:08.0: EARLY resume
[ 45.312005] forcedeth 0000:00:09.0: EARLY resume
[ 46.067593] forcedeth 0000:00:08.0: resume
[ 46.077904] forcedeth 0000:00:08.0: restoring config space at offset 0xf (was 0x14010100, writing 0x1401010a)
[ 46.077931] forcedeth 0000:00:08.0: restoring config space at offset 0x7 (was 0x0, writing 0xfdffa400)
[ 46.077949] forcedeth 0000:00:08.0: restoring config space at offset 0x6 (was 0x0, writing 0xfdffa800)
[ 46.077962] forcedeth 0000:00:08.0: restoring config space at offset 0x5 (was 0x1, writing 0x9401)
[ 46.077973] forcedeth 0000:00:08.0: restoring config space at offset 0x4 (was 0x0, writing 0xfdff6000)
[ 46.077987] forcedeth 0000:00:08.0: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00007)
[ 46.078026] forcedeth 0000:00:08.0: PCI INT A -> Link[LMAC] -> GSI 21 (level, low) -> IRQ 21
[ 46.078031] forcedeth 0000:00:08.0: setting latency timer to 64
[ 46.078042] forcedeth 0000:00:08.0: wake-up capability disabled by ACPI
[ 46.078056] forcedeth 0000:00:08.0: PME# disabled
[ 46.079323] forcedeth 0000:00:09.0: resume
[ 46.089903] forcedeth 0000:00:09.0: restoring config space at offset 0xf (was 0x14010100, writing 0x1401010b)
[ 46.089930] forcedeth 0000:00:09.0: restoring config space at offset 0x7 (was 0x0, writing 0xfdff4c00)
[ 46.089952] forcedeth 0000:00:09.0: restoring config space at offset 0x6 (was 0x0, writing 0xfdffa000)
[ 46.089959] forcedeth 0000:00:09.0: restoring config space at offset 0x5 (was 0x1, writing 0x9081)
[ 46.089964] forcedeth 0000:00:09.0: restoring config space at offset 0x4 (was 0x0, writing 0xfdff5000)
[ 46.089970] forcedeth 0000:00:09.0: restoring config space at offset 0x1 (was 0xb00000, writing 0xb00007)
[ 46.089998] forcedeth 0000:00:09.0: PCI INT A -> Link[LMAD] -> GSI 20 (level, low) -> IRQ 20
[ 46.090003] forcedeth 0000:00:09.0: setting latency timer to 64
[ 46.090007] forcedeth 0000:00:09.0: wake-up capability disabled by ACPI
[ 46.090013] forcedeth 0000:00:09.0: PME# disabled
[ 52.903755] forcedeth 0000:00:09.0: completing resume
[ 52.903759] forcedeth 0000:00:08.0: completing resume
However, the NIC still doesn't work after resume.
00:08.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a3)
Subsystem: nVidia Corporation Device cb84
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 219
Memory at fdff6000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 9400 [size=8]
Memory at fdffa800 (32-bit, non-prefetchable) [size=256]
Memory at fdffa400 (32-bit, non-prefetchable) [size=16]
Capabilities: [44] Power Management version 2
Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/3 Enable+
Capabilities: [6c] HyperTransport: MSI Mapping Enable+ Fixed+
Kernel driver in use: forcedeth
00:09.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a3)
Subsystem: nVidia Corporation Device cb84
Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20
Memory at fdff5000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 9080 [size=8]
Memory at fdffa000 (32-bit, non-prefetchable) [size=256]
Memory at fdff4c00 (32-bit, non-prefetchable) [size=16]
Capabilities: [44] Power Management version 2
Capabilities: [70] MSI-X: Enable- Mask- TabSize=8
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/3 Enable-
Capabilities: [6c] HyperTransport: MSI Mapping Enable+ Fixed+
Kernel driver in use: forcedeth
--
Simon Arlott
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