diff --git a/BUGS b/BUGS index c280fc2e..475776e7 100644 --- a/BUGS +++ b/BUGS @@ -25,11 +25,6 @@ Please do not send mail to the author or the sensors group asking for a datasheet or ideas on how to convince Asus. See doc/chips/w83781d for more information. -Also, many as99127f chips are misidentified as w83781d or w83782d chips. -If so, you can fix this by forcing the driver: -modprobe w83781d force_as99127f=BUS,0x2d where BUS is your bus number -(cat /proc/bus/i2c to identify your bus number). - ================================ i2c/smbus lockup (i2c-piix4 and i2c-ali15x3 drivers) @@ -90,67 +85,3 @@ Rmmod'ing a bus driver when the /proc directory for a chip driver on that bus is in use may cause a kernel oops, because the chip driver gets removed too. See ticket #331 for details. Not likely to happen. No obvious way to fix. - - -============================================================================ -Following are old problems with older kernels. - - -Pre-2.1.58 /proc directory Oops -=============================== - -There is a problem in pre 2.1.58 kernels that can make the kernel Oops. You -can trigger this Oops if you have opened any file, or are in any directory, -created by a module. If you remove the module at such a moment, successive -access to those files or directories will make the kernel complain through -an Oops. There is really no good way to solve this. Stock kernel modules -exhibit the same problem, by the way. Kernels from 2.1.58 onwards have new -fill_inode() semantics; using this function, we can increase the module use -count while a module file or directory is accessed. This solves the problem, -because it makes it impossible to remove the module. -Alan Cox (alan@lxorguk.ukuu.org.uk), the maintainer of 2.0 kernels, has -said he will consider patches that backport this 2.1 feature; perhaps it -will be in 2.0.37. Until then, be careful when you unload modules. - - -2.2.x cdrom.o Oops -================== - -Module cdrom.o in all 2.2 kernels conflicts with our sensors.o module. -You can get an Oops if cdrom.o is unloaded after sensors.o was loaded. -Below is a small diff that you can apply to the kernel to correct this. -Another solution is to make sure cdrom.o is never unloaded, or to make -sure it is not a module but compiled into the kernel proper. - -The diff corrects a long-standing /proc bug. It will go into kernel 2.2.2 -or later in a somewhat modified form. It was written by Jens Axboe -. - ------cut here----- ---- virgin/kernel/sysctl.c Sat Jan 9 07:54:16 1999 -+++ linux/kernel/sysctl.c Mon Feb 1 23:44:58 1999 -@@ -559,12 +559,12 @@ - unregister_proc_table(table->child, de); - } - /* Don't unregister proc directories which still have -- entries... */ -- if (!((de->mode & S_IFDIR) && de->subdir)) { -+ entries or are still being used... */ -+ if (!((de->mode & S_IFDIR) && de->subdir) && !de->count) -{ - proc_unregister(root, de->low_ino); - table->de = NULL; - kfree(de); -- } -+ } - } - } ------cut here----- - - -Kernel i2c conflict -=================== - -An older version of the i2c modules is distributed in 2.2 and late 2.1 -kernels. If you try to use it at the same moment as our i2c modules, you -may get into trouble. This should be fixed for lm_sensors-2.4.0 and newer.