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[SCSI] aacraid: kdump fix

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This patch fixes kernel panic issue while booting into the kdump kernel.

We have triggered crash and kdump vmcore was successful. No issues seen while
booting into the OS.

Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Mahesh Rajashekhara
2014-01-13 13:50:30 +05:30
committed by James Bottomley
parent 3de2260140
commit 6e40e5f021
2 changed files with 5 additions and 4 deletions
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7
drivers/scsi/aacraid/rx.c
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@@ -480,7 +480,7 @@ static int aac_rx_ioremap(struct aac_dev * dev, u32 size)
static int aac_rx_restart_adapter(struct aac_dev *dev, int bled)
{
u32 var;
u32 var = 0;
if (!(dev->supplement_adapter_info.SupportedOptions2 &
AAC_OPTION_MU_RESET) || (bled >= 0) || (bled == -2)) {
@@ -500,13 +500,14 @@ static int aac_rx_restart_adapter(struct aac_dev *dev, int bled)
if (bled && (bled != -ETIMEDOUT))
return -EINVAL;
}
if (bled || (var == 0x3803000F)) { /* USE_OTHER_METHOD */
if (bled && (var == 0x3803000F)) { /* USE_OTHER_METHOD */
rx_writel(dev, MUnit.reserved2, 3);
msleep(5000); /* Delay 5 seconds */
var = 0x00000001;
}
if (var != 0x00000001)
if (bled && (var != 0x00000001))
return -EINVAL;
ssleep(5);
if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
return -ENODEV;
if (startup_timeout < 300)