per block device cache use adjustable?

2013-10-10 Thread Karl Kiniger
Using a 4.7 GB 4x DVD+RW I did: (Fedora 19, x86_64, 4GB RAM) mkudffs /dev/sr0 mount /dev/sr0 /dvd0 dd if=some-4gb-file of=/dvd0/bigfile.bin After a few seconds ls -l /dvd0/bigfile.bin displayed 600 MB which means that more than 30 seconds are kept in RAM. Is it possible to limit the write cache

tracing SCSI commands over SATA

2013-10-10 Thread Karl Kiniger
Hi, I want to record all SCSI commands/status for a SATA DVD drive. Right now I am using a USB<>SATA bridge and wireshark on usbmon. Q: Can something similar be done without having to go over USB? I am interested only about the SCSI commands sent to a particular SATA drive and resulting status c

Re: 2.4.30 Oops when connecting external USB hard drive

2005-04-15 Thread Karl Kiniger
s= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=88(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms > > Regards, > willy > > On Tue, Apr 12, 2005 at 07:39:11PM +0200, Kiniger wrote: > > Pls see the hand-copied decoded backtrace. [ deleted

Re: 2.4.30 Oops when connecting external USB hard drive

2005-04-19 Thread Karl Kiniger
On Sat, Apr 16, 2005 at 07:53:05AM +0200, Willy Tarreau wrote: > On Fri, Apr 15, 2005 at 02:50:48PM +0200, Karl Kiniger wrote: > > On Thu, Apr 14, 2005 at 07:02:44AM +0200, Willy Tarreau wrote: > > > You may try to unload the ehci-hcd driver and load only uhci and check if >

Re: [PATCH for mm] Remove iBCS support

2008-01-22 Thread Karl Kiniger
send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Karl Kinigermailto:[EMAIL PROTECTED] GE Medical Sy

Re: [PATCH for mm] Remove iBCS support

2008-01-22 Thread Karl Kiniger
e linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Karl Kinigermailto:[EMAIL PROTECTED] GE Medical Systems Kretztechnik GmbH & Co

Re: [PATCH for mm] Remove iBCS support

2008-01-23 Thread Karl Kiniger
On Wed 080123, Andi Kleen wrote: > Karl Kiniger <[EMAIL PROTECTED]> writes: > > > FYI, > > > > on http://www.feise.com/~jfeise/Downloads/linux-abi/ > > > > a patch named linux-abi-2.6.22.3_3.diff.bz2 can be found. > > So just add a reversed ver

list_del corruption with fedora 6 kernels (fc5 was ok)

2007-01-12 Thread Karl Kiniger
0:57:23 wszip-kinigka kernel: ======= -- Karl Kiniger mailto:[EMAIL PROTECTED] GE Medical Systems Kretztechnik GmbH & Co OHG Tiefenbach 15 Tel: (++43) 7682-3800-710 A-4871 Zipf Austria Fax: (++43) 7682-3800-47 - To unsubscribe from this list: send the line "unsubscrib

Re: Disabling in-memory write cache for x86-64 in Linux II

2013-10-31 Thread Karl Kiniger
On Tue 131029, Jan Kara wrote: > On Fri 25-10-13 11:15:55, Karl Kiniger wrote: > > On Fri 131025, Linus Torvalds wrote: > > Is it currently possible to somehow set above values per block device? > Yes, to some extent. You can set /sys/block//bdi/max_ratio to > the m

Re: Disabling in-memory write cache for x86-64 in Linux II

2013-10-25 Thread Karl Kiniger
On Fri 131025, Linus Torvalds wrote: > On Fri, Oct 25, 2013 at 9:30 AM, Artem S. Tashkinov wrote: > > > > My feeling is that vm.dirty_ratio/vm.dirty_background_ratio should _not_ be > > percentage based, 'cause for PCs/servers with a lot of memory (say 64GB or > > more) this value becomes unrealis