On Mon, Apr 14, 2014 at 2:33 PM, Darius D. <darius.ski@xxxxxxxxx> wrote: > Hi, > > on P420i (2GB FBWC) with latest(5.22?) FW, and 2 SSD smart path > enabled RAID0 arrays (1 and 3 SSD), i get panic on initialization. > What is sad, i can't capture complete stack trace and it is deep in > kernel worker, but top items are: > > SA5_performant_intr_mask+0x30/0x30 > spin_unlock_irqrestore > hpsa_unit_one > local_pci_probe > ... kthread worker stuff > > > RIP is calc_bucket_map+0x30/0x3a. > > > Anyone got idea what is going on? 3.14 was working fine with exact > config, so i suspect it could be HPSA smart path code related. Try the patch below, and see also: http://marc.info/?t=139701135500001&r=1&w=2 -- steve >From f6b44f25c451d32cca5cf2e9825e0636132e69cf Mon Sep 17 00:00:00 2001 From: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx> Date: Thu, 10 Apr 2014 16:44:59 -0500 Subject: [PATCH] hpsa: fix uninitialized variable in hpsa_put_ctlr_into_performant_mode() Without this, you'll see a null pointer dereference in hpsa_enter_performant_mode(). Signed-off-by: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx> --- drivers/scsi/hpsa.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 8cf4a0c..ef4dfdd 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -7463,6 +7463,10 @@ static void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) if (hpsa_simple_mode) return; + trans_support = readl(&(h->cfgtable->TransportSupport)); + if (!(trans_support & PERFORMANT_MODE)) + return; + /* Check for I/O accelerator mode support */ if (trans_support & CFGTBL_Trans_io_accel1) { transMethod |= CFGTBL_Trans_io_accel1 | -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
