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Re: kern/55067: bge(4) does not work on MIPS systems (it panics)
On 12/03/2020 22:40, Michael van Elst wrote:
The following reply was made to PR kern/55067; it has been noted by GNATS.
From: mlelstv%serpens.de@localhost (Michael van Elst)
Subject: Re: kern/55067: bge(4) does not work on MIPS systems (it panics)
Date: Thu, 12 Mar 2020 22:36:51 -0000 (UTC)
>[ 23.6599208] panic: _bus_dmamap_sync: bad length
>0x83a29ab8: _bus_dmamap_sync+4bc (3,83edfc90,10998,0) ra 800726ec sz 72
mips _bus_dmamap_sync erroneously traps len == 0. It should be gracefully
allowing that value like other archs.
I said the same on source-changes-d, but here goes again.
The check for len !=0 in arm bus_dma.c has caught several bugs over the
I plan on leaving it there.
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