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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fde1aca52sm75405065e9.14.2026.09.23.05.34.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 05:34:08 -0700 (PDT) Date: Wed, 23 Sep 2026 13:34:07 +0100 From: David Laight To: Randy Dunlap Cc: Manuel Ebner , Linux Next Mailing List , Linux Kernel Mailing List Subject: Re: [built failure] aicdb.h / __udivdi3 Message-ID: <20260923133407.7411334a@pumpkin> In-Reply-To: <0aa303bc-d3e9-4670-91e5-8299ddfcb6db@infradead.org> References: <1ccf42a99c89502a7a5e7038ed2ab2aa5a24dd7a.camel@mailbox.org> <0aa303bc-d3e9-4670-91e5-8299ddfcb6db@infradead.org> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 22 Sep 2026 12:25:09 -0700 Randy Dunlap wrote: > Hi-- > > On 9/22/26 11:13 AM, Manuel Ebner wrote: > > Hi, > > > > I did some built testing with randconf and got some build errors. > > > > First error is: > > > >> $ make KCFLAGS=-Werror -j8 > make_output.txt > >> aicasm_symbol.c:47:10: fatal error: aicdb.h: No such file or directory > >> 47 | #include "aicdb.h" > >> | ^~~~~~~~~ > > > > This could be fixed by installing libdb-devel. > > But than I got this error with the same configuration: > > > >> $ make KCFLAGS=-Werror -j8 > make_output.txt > >> date > >> drivers/scsi/aic7xxx/aicasm/aicasm: 880 instructions used > >> drivers/scsi/aic7xxx/aicasm/aicasm: 25 of 37 register definitions used > >> /usr/bin/ld.bfd: fs/exfat/super.o: in function `exfat_set_vol_flags.isra.0': > >> super.c:(.text+0x622): undefined reference to `__udivdi3' > >> make[2]: *** [scripts/Makefile.vmlinux:72: vmlinux.unstripped] Error 1 > >> make[1]: *** [/home/manuel/skripts/next/Makefile:1390: vmlinux] Error 2 > >> make: *** [Makefile:248: __sub-make] Error 2 > > > > What can I do about it? > > Is it me/ my system or the kernel? > > For the fs/exfat/ build error: > > What is the target (x86_64, i386, arm64, arm, etc.)? > What is the compiler and its version? What strange set of build options are being used? > That error usually means that the target is a 32-bit CPU > and the code in question is doing an unsupported divide or > modulus function. > > It possibly should be using a kernel macro from > or other headers. >