Messages in this thread | | | From | "karl malbrain" <> | Subject | RE: 2.6.9 chrdev_open: serial_core: uart_open | Date | Tue, 26 Jul 2005 13:45:25 -0700 |
| |
Successful resolution!! The red-hat engineers monitoring their bugzilla list posted a fix for tty_io.c Friday that works. Thanks again for your help. karl m
> -----Original Message----- > From: Russell King > Sent: Friday, July 15, 2005 2:54 PM > To: karl malbrain > Cc: Linux-Kernel@Vger. Kernel. Org > Subject: Re: 2.6.9 chrdev_open: serial_core: uart_open > > > On Fri, Jul 15, 2005 at 02:17:01PM -0700, karl malbrain wrote: > > > -----Original Message----- > > > From: Russell King > > > Sent: Friday, July 15, 2005 1:59 PM > > > To: karl malbrain > > > Cc: Linux-Kernel@Vger. Kernel. Org > > > Subject: Re: 2.6.9 chrdev_open: serial_core: uart_open > > > > > > > > > On Fri, Jul 15, 2005 at 01:52:15PM -0700, karl malbrain wrote: > > > > On my 2.6.9-11EL source it clearly shows the up(&tty_sem) after > > > the call to > > > > uart_open. Init_dev never touches tty_sem. > > > > > > In which case, I have to say... > > > > > > Congratulations! You've found a bug with Red Hat's Enterprise Linux > > > kernel! Go straight to Red Hat's bugzilla! Do not collect 200$. Do > > > not pass go. > > > > > > Seriously though, this bug is not present in mainline kernels, so I > > > can't resolve this issue for you. Mainline kernels appear to work > > > properly. > > > > Could tty_io.c be all that changed by a small set of red-hat patches to > > 2.6.9? Why would they need to go in there to make so many > changes in the > > first place? Which 2.6 release changed tty_io.c's use of tty_sem so > > heavily? > > These are questions to ask of Red Hat, and can only be answered by > their representatives. > > Thanks anyway, and I'm sorry that this hasn't been resolved given > the amount of time put into it by both of us. > > -- > Russell King > Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ > maintainer of: 2.6 Serial core
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |