http://bugzilla.kernel.org/show_bug.cgi?id=13143 --- Comment #2 from Anonymous Emailer <anonymous@xxxxxxxxxxxxxxxxxxxx> 2009-04-24 18:25:45 --- Reply-To: dgilbert@xxxxxxxxxxxx FUJITA Tomonori wrote: > On Tue, 21 Apr 2009 16:07:08 GMT > bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > >> http://bugzilla.kernel.org/show_bug.cgi?id=13143 >> >> Summary: scsi_debug doesn't manage more than 1Tb >> Product: SCSI Drivers >> Version: 2.5 >> Platform: All >> OS/Version: Linux >> Tree: Mainline >> Status: NEW >> Severity: normal >> Priority: P1 >> Component: Other >> AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx >> ReportedBy: tvignaud@xxxxxxxxxxxx >> Regression: No >> >> >> While debugging a partitionner software that has issues with disks bigger than >> 1Tb, I found out that scsi_debug doesn't manage more than 1Tb: >> >> # modprobe scsi_debug virtual_gb=1000 >> # cat /proc/partitions |fgrep sdc >> 8 32 1048576000 sdc >> # rmmod scsi_debug >> # modprobe scsi_debug virtual_gb=1100 >> # cat /proc/partitions |fgrep sdc >> 8 32 9223372035860725760 sdc >> >> >> dmesg shows that the additionnal 100Gb makes it loose sight: >> sd 16:0:0:0: [sdc] 2097152000 512-byte hardware sectors: (1.07 TB/1000 GiB) >> versus: >> sd 15:0:0:0: [sdc] 18446744071721451520 512-byte hardware sectors: (18.4 >> EB/15.9 EiB) > > > = > From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> > Subject: [PATCH] scsi_debug: fix virtual disk larger than 1TB > > Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Signed-off-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx> Wow, a 1 TB ram disk! > --- > drivers/scsi/scsi_debug.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c > index 213123b..41a2177 100644 > --- a/drivers/scsi/scsi_debug.c > +++ b/drivers/scsi/scsi_debug.c > @@ -887,7 +887,7 @@ static int resp_start_stop(struct scsi_cmnd * scp, > static sector_t get_sdebug_capacity(void) > { > if (scsi_debug_virtual_gb > 0) > - return 2048 * 1024 * scsi_debug_virtual_gb; > + return 2048 * 1024 * (sector_t)scsi_debug_virtual_gb; > else > return sdebug_store_sectors; > } -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug.-- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
