[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] xen-unstable stubdom build-failure when debug=n
Thursday, July 17, 2014, 4:13:11 PM, you wrote: > On Thu, 2014-07-17 at 10:27 +0200, Sander Eikelenboom wrote: >> Hi, >> >> Today i tried to do a debug=n build of xen-unstable and ran into the build >> error >> below. > Yes, I see something similar: > stubdom/../extras/mini-os/include/mini-os/tpm_tis.h: In function > âtpm_tis_request_locality.part.6â: > tpm_tis.c:618:71: error: array subscript is below array bounds > [-Werror=array-bounds] > cc1: all warnings being treated as errors > Not sure why it should be debug=n only though. > In the case I've got the code is: > s->loc[locty].ints &= ~(val & INTERRUPTS_SUPPORTED); > where locty is a uint8_t, so how it can be *below* the bounds I'm not sure. > dhcp.c:1359 in my copy (assuming it is similar to yours) is > dhcp->msg_out->chaddr[i] = (i < netif->hwaddr_len) ? netif->hwaddr[i] : > 0/* pad byte*/; > where i is a u16_t. But this is an above array bounds error, so > presumably the compiler thinks it knows something about the size of > chaddr or hwaddr vs hwaddr_len. > I'm not seeing anything in the logs for mini-os or stubdom since 4.4.0 > which cry out to me as anything related. Except perhaps: > commit e6e9178431725c369aeac117badc546edf18ab07 > Author: Thomas Leonard <talex5@xxxxxxxxx> > Date: Thu Jun 26 12:28:22 2014 +0100 > mini-os: made off_t type signed > > POSIX requires this. > > Signed-off-by: Thomas Leonard <talex5@xxxxxxxxx> > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > Acked-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> > But there doesn't seem to be any size_t's involved at either site. > *Confused* Hrmmm i only changed 2 things that made it build .. 1) debug=n to debug=y 2) implicit: - the first build was after a "make mrproper", so that destroyed and redownloaded all git sub repo stuff - the second build was after a "make clean" after the first build (and the change from debug=n and debug=y) So it could also be it doesn't build on the first build due too an ordering issue of something that doesn't get cleaned by a make clean ? > Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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