diff options
| author | Linas Vepstas <linas@austin.ibm.com> | 2007-03-19 14:52:04 -0500 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-03-22 22:52:50 +1100 |
| commit | e0f90b64181d668ce5995a40f312ed21085bfa98 (patch) | |
| tree | 76d1185cfbff1a068c4cc4ad8cb07c102c1fa05a /arch/powerpc/platforms/pseries | |
| parent | 39d16e295966a1f0025a65eaab4cb59fe5ba8c17 (diff) | |
| download | blackbird-op-linux-e0f90b64181d668ce5995a40f312ed21085bfa98.tar.gz blackbird-op-linux-e0f90b64181d668ce5995a40f312ed21085bfa98.zip | |
[POWERPC] EEH: Add clarifying messages.
There are multiple code patchs tht resuls in a "permanent
failure"; when examining rare events, it can be hard to see
which was taken. This patch adds printk's to assist.
Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh_driver.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c index a4c0bf84ef2e..550fad2199ad 100644 --- a/arch/powerpc/platforms/pseries/eeh_driver.c +++ b/arch/powerpc/platforms/pseries/eeh_driver.c @@ -367,8 +367,10 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) */ if ((event->state == pci_channel_io_perm_failure) && ((event->time_unavail <= 0) || - (event->time_unavail > MAX_WAIT_FOR_RECOVERY*1000))) + (event->time_unavail > MAX_WAIT_FOR_RECOVERY*1000))) { + printk(KERN_WARNING "EEH: Permanent failure\n"); goto hard_fail; + } eeh_slot_error_detail(frozen_pdn, 1 /* Temporary Error */); printk(KERN_WARNING @@ -390,8 +392,10 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) */ if (result == PCI_ERS_RESULT_NONE) { rc = eeh_reset_device(frozen_pdn, frozen_bus); - if (rc) + if (rc) { + printk(KERN_WARNING "EEH: Unable to reset, rc=%d\n", rc); goto hard_fail; + } } /* If all devices reported they can proceed, then re-enable MMIO */ @@ -417,21 +421,27 @@ struct pci_dn * handle_eeh_events (struct eeh_event *event) } /* If any device has a hard failure, then shut off everything. */ - if (result == PCI_ERS_RESULT_DISCONNECT) + if (result == PCI_ERS_RESULT_DISCONNECT) { + printk(KERN_WARNING "EEH: Device driver gave up\n"); goto hard_fail; + } /* If any device called out for a reset, then reset the slot */ if (result == PCI_ERS_RESULT_NEED_RESET) { rc = eeh_reset_device(frozen_pdn, NULL); - if (rc) + if (rc) { + printk(KERN_WARNING "EEH: Cannot reset, rc=%d\n", rc); goto hard_fail; + } result = PCI_ERS_RESULT_NONE; pci_walk_bus(frozen_bus, eeh_report_reset, &result); } /* All devices should claim they have recovered by now. */ - if (result != PCI_ERS_RESULT_RECOVERED) + if (result != PCI_ERS_RESULT_RECOVERED) { + printk(KERN_WARNING "EEH: Not recovered\n"); goto hard_fail; + } /* Tell all device drivers that they can resume operations */ pci_walk_bus(frozen_bus, eeh_report_resume, NULL); |
