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Groups > linux.kernel > #1523179 > unrolled thread
| Started by | Zhangfei Gao <zhangfei.gao@gmail.com> |
|---|---|
| First post | 2016-11-16 02:50 +0100 |
| Last post | 2016-11-23 10:20 +0100 |
| Articles | 3 — 2 participants |
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Re: [PATCH 01/11] hisi_sas: add v2 hw support for ECC and AXI bus fatal error Zhangfei Gao <zhangfei.gao@gmail.com> - 2016-11-16 02:50 +0100
Re: [PATCH 01/11] hisi_sas: add v2 hw support for ECC and AXI bus fatal error John Garry <john.garry@huawei.com> - 2016-11-23 10:10 +0100
Re: [PATCH 01/11] hisi_sas: add v2 hw support for ECC and AXI bus fatal error Zhangfei Gao <zhangfei.gao@gmail.com> - 2016-11-23 10:20 +0100
| From | Zhangfei Gao <zhangfei.gao@gmail.com> |
|---|---|
| Date | 2016-11-16 02:50 +0100 |
| Subject | Re: [PATCH 01/11] hisi_sas: add v2 hw support for ECC and AXI bus fatal error |
| Message-ID | <sDXwl-4jR-17@gated-at.bofh.it> |
On Mon, Nov 7, 2016 at 8:48 PM, John Garry <john.garry@huawei.com> wrote: > From: Xiang Chen <chenxiang66@hisilicon.com> > > For ECC 1bit error, logic can recover it, so we only print > a warning. > For ECC multi-bit and AXI bus fatal error, we panic. Is it possible to recover via resetting phy and device etc instead of panic? Thanks
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| From | John Garry <john.garry@huawei.com> |
|---|---|
| Date | 2016-11-23 10:10 +0100 |
| Message-ID | <sGBIZ-2TX-17@gated-at.bofh.it> |
| In reply to | #1523179 |
On 16/11/2016 01:47, Zhangfei Gao wrote: > On Mon, Nov 7, 2016 at 8:48 PM, John Garry <john.garry@huawei.com> wrote: >> From: Xiang Chen <chenxiang66@hisilicon.com> >> >> For ECC 1bit error, logic can recover it, so we only print >> a warning. >> For ECC multi-bit and AXI bus fatal error, we panic. > > Is it possible to recover via resetting phy and device etc instead of panic? > > Thanks > > Hi Zhangfei, We are actually now working on supporting controller reset for certain AXI/ECC errors, so that we will not need to panic. Thanks, John
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| From | Zhangfei Gao <zhangfei.gao@gmail.com> |
|---|---|
| Date | 2016-11-23 10:20 +0100 |
| Message-ID | <sGBSF-2X2-1@gated-at.bofh.it> |
| In reply to | #1528218 |
On Wed, Nov 23, 2016 at 4:59 PM, John Garry <john.garry@huawei.com> wrote: > On 16/11/2016 01:47, Zhangfei Gao wrote: >> >> On Mon, Nov 7, 2016 at 8:48 PM, John Garry <john.garry@huawei.com> wrote: >>> >>> From: Xiang Chen <chenxiang66@hisilicon.com> Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org> >>> >>> For ECC 1bit error, logic can recover it, so we only print >>> a warning. >>> For ECC multi-bit and AXI bus fatal error, we panic. >> >> >> Is it possible to recover via resetting phy and device etc instead of >> panic? >> >> Thanks >> >> > > > Hi Zhangfei, > > We are actually now working on supporting controller reset for certain > AXI/ECC errors, so that we will not need to panic. Got it, thanks for the info. Thanks
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