Messages in this thread Patch in this message | | | Subject | [PATCH] aic94xx: disable split completion timer/setting by default | From | Alexis Bruemmer <> | Date | Fri, 30 Jun 2006 14:10:56 -0700 |
| |
The aic94xx driver will lock up under heavy load with a split completion error. There is a split completion timer/setting which should be disabled by default but is not. This patch fixes this problem.
Signed-off-by: Adaptec Acked-by: Alexis Bruemmer <alexisb@us.ibm.com>
----------
Index: aic94xx-sas-2.6-patched/drivers/scsi/aic94xx/aic94xx_hwi.c =================================================================== --- aic94xx-sas-2.6-patched.orig/drivers/scsi/aic94xx/aic94xx_hwi.c 2006-06-23 11:12:01.000000000 -0700 +++ aic94xx-sas-2.6-patched/drivers/scsi/aic94xx/aic94xx_hwi.c 2006-06-29 12:10:08.000000000 -0700 @@ -604,11 +604,26 @@ int asd_init_hw(struct asd_ha_struct *asd_ha) { int err; + u32 v; err = asd_init_sw(asd_ha); if (err) return err; + err = pci_read_config_dword(asd_ha->pcidev, PCIC_HSTPCIX_CNTRL, &v); + if (err) { + asd_printk("couldn't read PCIC_HSTPCIX_CNTRL of %s\n", + pci_name(asd_ha->pcidev)); + return err; + } + pci_write_config_dword(asd_ha->pcidev, PCIC_HSTPCIX_CNTRL, + v | SC_TMR_DIS); + if (err) { + asd_printk("couldn't disable split completion timer of %s\n", + pci_name(asd_ha->pcidev)); + return err; + } + err = asd_read_ocm(asd_ha); if (err) { asd_printk("couldn't read ocm(%d)\n", err); Index: aic94xx-sas-2.6-patched/drivers/scsi/aic94xx/aic94xx_reg_def.h =================================================================== --- aic94xx-sas-2.6-patched.orig/drivers/scsi/aic94xx/aic94xx_reg_def.h 2006-06-23 11:12:01.000000000 -0700 +++ aic94xx-sas-2.6-patched/drivers/scsi/aic94xx/aic94xx_reg_def.h 2006-06-29 11:57:49.000000000 -0700 @@ -1787,6 +1787,7 @@ #define PCIC_HSTPCIX_CNTRL 0xA0 #define REWIND_DIS 0x0800 +#define SC_TMR_DIS 0x04000000 #define PCIC_MBAR0_MASK 0xA8 #define PCIC_MBAR0_SIZE_MASK 0x1FFFE000
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |