Re: kern/55067: bge(4) does not work on MIPS systems (it panics)

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

The following reply was made to PR port-mips/55067; it has been noted by GNATS.

From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
To: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, thorpej%me.com@localhost
Cc: 
Subject: Re: kern/55067: bge(4) does not work on MIPS systems (it panics)
Date: Fri, 13 Mar 2020 06:58:27 +0000

 On 12/03/2020 22:40, Michael van Elst wrote:
 > The following reply was made to PR kern/55067; it has been noted by GNAT=
 S.
 >
 > From: mlelstv%serpens.de@localhost (Michael van Elst)
 > To: gnats-bugs%netbsd.org@localhost
 > Cc:
 > Subject: Re: kern/55067: bge(4) does not work on MIPS systems (it panics=
 )
 > Date: Thu, 12 Mar 2020 22:36:51 -0000 (UTC)
 >
 >   thorpej%me.com@localhost writes:
 >
 >   >[  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 =3D=3D 0. It should be gra=
 cefully
 >   allowing that value like other archs.
 
 I said the same on source-changes-d, but here goes again.
 
 The check for len !=3D0 in arm bus_dma.c has caught several bugs over the
 years.
 
 I plan on leaving it there.
 
 Nick