Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread NeilBrown
On Mon, 19 Nov 2012 18:23:57 -0800 Dan Williams wrote: > On Tue, 2012-11-20 at 09:18 +1100, NeilBrown wrote: > > On Mon, 19 Nov 2012 05:22:25 + Dan Williams wrote: > > > > > > > > > > > On 11/18/12 5:06 PM, "NeilBrown" wrote: > > > > > > > > > > >Hi Dan, > > > > could you comment on

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread Dan Williams
On Tue, 2012-11-20 at 09:18 +1100, NeilBrown wrote: > On Mon, 19 Nov 2012 05:22:25 + Dan Williams wrote: > > > > > > > On 11/18/12 5:06 PM, "NeilBrown" wrote: > > > > > > > >Hi Dan, > > > could you comment on this please? Would it make sense to arrange for > > >errors > > > to propagate

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread NeilBrown
On Mon, 19 Nov 2012 05:22:25 + Dan Williams wrote: > > > On 11/18/12 5:06 PM, "NeilBrown" wrote: > > > > >Hi Dan, > > could you comment on this please? Would it make sense to arrange for > >errors > > to propagate up? Or should we arrange to do a software-fallback in the > >dma > >

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread Dan Williams
On Tue, 2012-11-20 at 09:18 +1100, NeilBrown wrote: On Mon, 19 Nov 2012 05:22:25 + Dan Williams d...@fb.com wrote: On 11/18/12 5:06 PM, NeilBrown ne...@suse.de wrote: Hi Dan, could you comment on this please? Would it make sense to arrange for errors to propagate

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread NeilBrown
On Mon, 19 Nov 2012 18:23:57 -0800 Dan Williams d...@fb.com wrote: On Tue, 2012-11-20 at 09:18 +1100, NeilBrown wrote: On Mon, 19 Nov 2012 05:22:25 + Dan Williams d...@fb.com wrote: On 11/18/12 5:06 PM, NeilBrown ne...@suse.de wrote: Hi Dan, could you comment

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-19 Thread NeilBrown
On Mon, 19 Nov 2012 05:22:25 + Dan Williams d...@fb.com wrote: On 11/18/12 5:06 PM, NeilBrown ne...@suse.de wrote: Hi Dan, could you comment on this please? Would it make sense to arrange for errors to propagate up? Or should we arrange to do a software-fallback in the dma

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-18 Thread Dan Williams
On 11/18/12 5:06 PM, "NeilBrown" wrote: > >Hi Dan, > could you comment on this please? Would it make sense to arrange for >errors > to propagate up? Or should we arrange to do a software-fallback in the >dma > engine is a problem? What sort of things can cause error here anyway?

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-18 Thread NeilBrown
Bartlomiej Zolnierkiewicz wrote: > On Thursday 08 November 2012 12:15:26 Alan Cox wrote: > > On Thu, 08 Nov 2012 11:06:29 +0100 > > Bartlomiej Zolnierkiewicz wrote: > > > > > From: Bartlomiej Zolnierkiewicz > > > Subject: [PATCH] raid5: p

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-18 Thread NeilBrown
: panic() on dma_wait_for_async_tx() error There is not much we can do on dma_wait_for_async_tx() error so just panic() for now. Cc: Neil Brown ne...@suse.de Cc: Vinod Koul vinod.k...@intel.com Cc: Dan Williams d...@fb.com Cc: Tomasz Figa t.f...@samsung.com Signed-off

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-18 Thread Dan Williams
On 11/18/12 5:06 PM, NeilBrown ne...@suse.de wrote: Hi Dan, could you comment on this please? Would it make sense to arrange for errors to propagate up? Or should we arrange to do a software-fallback in the dma engine is a problem? What sort of things can cause error here anyway?

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Bartlomiej Zolnierkiewicz
On Thursday 08 November 2012 12:15:26 Alan Cox wrote: > On Thu, 08 Nov 2012 11:06:29 +0100 > Bartlomiej Zolnierkiewicz wrote: > > > From: Bartlomiej Zolnierkiewicz > > Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error > > > > There is not much w

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Alan Cox
On Thu, 08 Nov 2012 11:06:29 +0100 Bartlomiej Zolnierkiewicz wrote: > From: Bartlomiej Zolnierkiewicz > Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error > > There is not much we can do on dma_wait_for_async_tx() error > so just panic() for now. > > Cc: Ne

[PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Bartlomiej Zolnierkiewicz
From: Bartlomiej Zolnierkiewicz Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error There is not much we can do on dma_wait_for_async_tx() error so just panic() for now. Cc: Neil Brown Cc: Vinod Koul Cc: Dan Williams Cc: Tomasz Figa Signed-off-by: Bartlomiej Zolnierkiewicz

[PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Bartlomiej Zolnierkiewicz
From: Bartlomiej Zolnierkiewicz b.zolnier...@samsung.com Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error There is not much we can do on dma_wait_for_async_tx() error so just panic() for now. Cc: Neil Brown ne...@suse.de Cc: Vinod Koul vinod.k...@intel.com Cc: Dan Williams d

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Alan Cox
On Thu, 08 Nov 2012 11:06:29 +0100 Bartlomiej Zolnierkiewicz b.zolnier...@samsung.com wrote: From: Bartlomiej Zolnierkiewicz b.zolnier...@samsung.com Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error There is not much we can do on dma_wait_for_async_tx() error so just panic

Re: [PATCH] raid5: panic() on dma_wait_for_async_tx() error

2012-11-08 Thread Bartlomiej Zolnierkiewicz
On Thursday 08 November 2012 12:15:26 Alan Cox wrote: On Thu, 08 Nov 2012 11:06:29 +0100 Bartlomiej Zolnierkiewicz b.zolnier...@samsung.com wrote: From: Bartlomiej Zolnierkiewicz b.zolnier...@samsung.com Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error