diff options
| author | Ben Hutchings <ben@decadent.org.uk> | 2010-03-19 16:59:19 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-07-05 11:11:21 -0700 |
| commit | 966399a8b8d957ed59feb7770b33ee16ce0e8fe4 (patch) | |
| tree | 349f541a7d5b631730c134de70d8132ba2ec7eba | |
| parent | 48b97a01ba4d411047dad9abce933301699cdf25 (diff) | |
| download | linux-stable-966399a8b8d957ed59feb7770b33ee16ce0e8fe4.tar.gz linux-stable-966399a8b8d957ed59feb7770b33ee16ce0e8fe4.tar.bz2 linux-stable-966399a8b8d957ed59feb7770b33ee16ce0e8fe4.zip | |
qla2xxx: Disable MSI on qla24xx chips other than QLA2432.
commit 6377a7ae1ab82859edccdbc8eaea63782efb134d upstream.
On specific platforms, MSI is unreliable on some of the QLA24xx chips, resulting
in fatal I/O errors under load, as reported in <http://bugs.debian.org/572322>
and by some RHEL customers.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 799bd75b5d45..f3e5e30dd5ff 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2240,30 +2240,28 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) /* If possible, enable MSI-X. */ if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && - !IS_QLA8432(ha) && !IS_QLA8001(ha)) - goto skip_msix; + !IS_QLA8432(ha) && !IS_QLA8001(ha)) + goto skip_msi; + + if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && + (ha->pdev->subsystem_device == 0x7040 || + ha->pdev->subsystem_device == 0x7041 || + ha->pdev->subsystem_device == 0x1705)) { + DEBUG2(qla_printk(KERN_WARNING, ha, + "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X,0x%X).\n", + ha->pdev->subsystem_vendor, + ha->pdev->subsystem_device)); + goto skip_msi; + } if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { DEBUG2(qla_printk(KERN_WARNING, ha, "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n", ha->pdev->revision, ha->fw_attributes)); - goto skip_msix; } - if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && - (ha->pdev->subsystem_device == 0x7040 || - ha->pdev->subsystem_device == 0x7041 || - ha->pdev->subsystem_device == 0x1705)) { - DEBUG2(qla_printk(KERN_WARNING, ha, - "MSI-X: Unsupported ISP2432 SSVID/SSDID (0x%X, 0x%X).\n", - ha->pdev->subsystem_vendor, - ha->pdev->subsystem_device)); - - goto skip_msi; - } - ret = qla24xx_enable_msix(ha, rsp); if (!ret) { DEBUG2(qla_printk(KERN_INFO, ha, |