On Tue, Jan 12, 2010 at 8:19 PM, Lin Ming <ming.m.lin@xxxxxxxxx> wrote: > On Wed, 2010-01-13 at 09:03 +0800, Zhang, Rui wrote: >> CC Lin Ming, the ACPICA expert. >> >> On Wed, 2010-01-13 at 06:15 +0800, Ilia Mirkin wrote: >> > Hi, >> > >> > I just got a new motherboard (GIGABYTE GA-EX58-UD3R) and I'm seeing >> > the following in the kernel log (2.6.31-gentoo-r6, which I believe is >> > basically 2.6.31.6) >> > >> > ... >> > [ 0.000000] ACPI: TAMG 00000000cfee7330 00AE2 (v01 GBT GBT B0 >> > 5455312E BG^A^A 53450101) >> >> non-printable chars in Creator ID field. >> >> > ... >> > [ 0.713697] ACPI Warning: Incorrect checksum in table [TAMG] - 9D, >> > should be 9C 20090521 tbutils-246 >> > >> > acpidump shows: >> > >> > TAMG @ 0xcfee7330 >> > 0000: 54 41 4d 47 e2 0a 00 00 01 9d 47 42 54 20 20 20 TAMG......GBT >> > 0010: 47 42 54 20 20 20 42 30 2e 31 55 54 42 47 01 01 GBT B0.1UTBG.. >> > 0020: 01 01 45 53 44 54 3d 20 ef 00 08 00 0f 00 2c 01 ..ESDT= ......,. >> > >> > So those ^A's are really in there, but it's a little annoying (and it >> > causes less to go into binary viewing mode when it shows up in >> > /var/log/messages). Would it be reasonable to add some kind of >> > escaping code for such situations so that it might print like >> > "BG\x01\x01"? >> > >> >> Ming, any comments on this? > > Ilia, please try 2.6.32, that we support non-printable characters. > See below commit. > > commit cf02cd47d4747abf8ff0617e15fc05a00202e6d5 > Author: Bob Moore <robert.moore@xxxxxxxxx> > Date: Wed Jun 24 11:38:46 2009 +0800 > > ACPICA: Dump table header - suppress output of non-printable characters > > Function acpi_tb_print_table_header. Some ACPI tables contain > non-printable characters in one of the string fields of the the > header - Signature, OemId, OemTableId, or CompilerId. Invalid > characters are replaced by '?'. ACPICA BZ 788. > > http://acpica.org/bugzilla/show_bug.cgi?id=788 > > Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx> > Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx> > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> > Ah yes, that will almost certainly fix it. Thanks for tracking that down, and apologies for the noise. I will be sure to respond if the problem still appears with the latest kernels. Thanks, -- Ilia Mirkin imirkin@xxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
