OpenCloudOS-Kernel/drivers/net/ethernet/intel/e1000e
Chris Wilson 833521ebc6 e1000e: Undo e1000e_pm_freeze if __e1000_shutdown fails
An error during suspend (e100e_pm_suspend),

[  429.994338] ACPI : EC: event blocked
[  429.994633] e1000e: EEE TX LPI TIMER: 00000011
[  430.955451] pci_pm_suspend(): e1000e_pm_suspend+0x0/0x30 [e1000e] returns -2
[  430.955454] dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -2
[  430.955458] PM: Device 0000:00:19.0 failed to suspend async: error -2
[  430.955581] PM: Some devices failed to suspend, or early wake event detected
[  430.957709] ACPI : EC: event unblocked

lead to complete failure:

[  432.585002] ------------[ cut here ]------------
[  432.585013] WARNING: CPU: 3 PID: 8372 at kernel/irq/manage.c:1478 __free_irq+0x9f/0x280
[  432.585015] Trying to free already-free IRQ 20
[  432.585016] Modules linked in: cdc_ncm usbnet x86_pkg_temp_thermal intel_powerclamp coretemp mii crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hwdep lpc_ich snd_hda_core snd_pcm mei_me mei sdhci_pci sdhci i915 mmc_core e1000e ptp pps_core prime_numbers
[  432.585042] CPU: 3 PID: 8372 Comm: kworker/u16:40 Tainted: G     U          4.10.0-rc8-CI-Patchwork_3870+ #1
[  432.585044] Hardware name: LENOVO 2356GCG/2356GCG, BIOS G7ET31WW (1.13 ) 07/02/2012
[  432.585050] Workqueue: events_unbound async_run_entry_fn
[  432.585051] Call Trace:
[  432.585058]  dump_stack+0x67/0x92
[  432.585062]  __warn+0xc6/0xe0
[  432.585065]  warn_slowpath_fmt+0x4a/0x50
[  432.585070]  ? _raw_spin_lock_irqsave+0x49/0x60
[  432.585072]  __free_irq+0x9f/0x280
[  432.585075]  free_irq+0x34/0x80
[  432.585089]  e1000_free_irq+0x65/0x70 [e1000e]
[  432.585098]  e1000e_pm_freeze+0x7a/0xb0 [e1000e]
[  432.585106]  e1000e_pm_suspend+0x21/0x30 [e1000e]
[  432.585113]  pci_pm_suspend+0x71/0x140
[  432.585118]  dpm_run_callback+0x6f/0x330
[  432.585122]  ? pci_pm_freeze+0xe0/0xe0
[  432.585125]  __device_suspend+0xea/0x330
[  432.585128]  async_suspend+0x1a/0x90
[  432.585132]  async_run_entry_fn+0x34/0x160
[  432.585137]  process_one_work+0x1f4/0x6d0
[  432.585140]  ? process_one_work+0x16e/0x6d0
[  432.585143]  worker_thread+0x49/0x4a0
[  432.585145]  kthread+0x107/0x140
[  432.585148]  ? process_one_work+0x6d0/0x6d0
[  432.585150]  ? kthread_create_on_node+0x40/0x40
[  432.585154]  ret_from_fork+0x2e/0x40
[  432.585156] ---[ end trace 6712df7f8c4b9124 ]---

The unwind failures stems from commit 2800209994 ("e1000e: Refactor PM
flows"), but it may be a later patch that introduced the non-recoverable
behaviour.

Fixes: 2800209994 ("e1000e: Refactor PM flows")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99847
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2017-06-07 20:45:58 -07:00
..
80003es2lan.c e1000e: use BIT() macro for bit defines 2016-05-13 15:15:36 -07:00
80003es2lan.h e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
82571.c e1000e: factor out systim sanitization 2016-08-16 10:46:19 -07:00
82571.h e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
Makefile e1000e: Cleanup - Update GPL header and Copyright 2014-03-07 21:55:27 -08:00
defines.h e1000e: Adds hardware supported cross timestamp on e1000e nic 2016-03-03 14:28:46 -08:00
e1000.h e1000e: add statistic indicating number of skipped Tx timestamps 2017-06-06 01:01:27 -07:00
ethtool.c e1000e: Don't return uninitialized stats 2017-06-06 01:05:13 -07:00
hw.h e1000e: Initial Support for CannonLake 2017-04-30 05:15:08 -07:00
ich8lan.c e1000e: Add Support for CannonLake 2017-04-30 05:18:30 -07:00
ich8lan.h e1000e: mark shifted values as unsigned 2016-05-13 15:19:05 -07:00
mac.c e1000e: use BIT() macro for bit defines 2016-05-13 15:15:36 -07:00
mac.h e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
manage.c e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
manage.h e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
netdev.c e1000e: Undo e1000e_pm_freeze if __e1000_shutdown fails 2017-06-07 20:45:58 -07:00
nvm.c e1000e: use BIT() macro for bit defines 2016-05-13 15:15:36 -07:00
nvm.h e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
param.c e1000e: Bump the version to 3.2.5 2015-06-03 04:13:39 -07:00
phy.c e1000e: use BIT() macro for bit defines 2016-05-13 15:15:36 -07:00
phy.h e1000e: use BIT() macro for bit defines 2016-05-13 15:15:36 -07:00
ptp.c e1000e: Add Support for CannonLake 2017-04-30 05:18:30 -07:00
regs.h e1000e: Adds hardware supported cross timestamp on e1000e nic 2016-03-03 14:28:46 -08:00