Re: [PATCH] mpt2sas: driver fails to recover from injected PCIe bus errors

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On Thu, 2010-07-08 at 14:44 -0600, Eric Moore wrote:
> fixes surrounding PCIe enhanced error handling:
> 
> (1) We need to reject all request generated internaly inside the driver as well
> as request arriving from the scsi mid layer when PCIe EEH is active. The fix is
> to add a per adapter flag called pci_error_recovery which is checked thru out
> the driver when request are generated.
> 
> (2) We don't need to call the pci_driver->remove directly from the PCIe
> callbacks becuase its already called from the PCIe EEH code. In its place we are
> shutting down the watchdog timer, and flushing back all pending IO.
> 
> (3) We need to save and restore the pci state across PCIe EEH handling.
> 
> Signed-off-by: Eric Moore <eric.moore@xxxxxxx>
> 
> diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
> old mode 100644
> new mode 100755

Will you watch this type of thing, please?  This changes all the file
modes to executable.  Linus particularly watches for this and will go
into a kill frenzy if he sees it.

I've fixed it up this time.

James


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