Re: rw_semaphores

Hello, At Sun, 8 Apr 2001 20:08:13 -0700 (PDT), Linus Torvalds wrote: > > Can anybody shoot any holes in this? I haven't actually tested it, but > race conditions in locking primitives are slippery things, and I'd much > rather have an algorithm we can _think_ about and prove to be working. And

Re: rw_semaphores

At Mon, 9 Apr 2001 22:43:53 -0700 (PDT), Linus Torvalds wrote: > The ordering is certainly possible, but if it happens, > __down_read_failed() won't actually sleep, because it will notice that the > value is positive and just return immediately. So it will do some > unnecessary work (add itself

Re: 2.4.2ac8 lost char devices

Hello, At Fri, 02 Mar 2001 00:42:28 -0500, <[EMAIL PROTECTED]> wrote: > > actually, its not just ps/2 mice -- it seems to be something generic to char > devices. agpgartis failing to register itself, too. > > what changed with char device handling from ac7 to ac8? > > robert love > [EMAIL PR

[PATCH] Re: Linux 2.4.2ac14

Hello, 2.4.2ac14 compilation fails when CONFIG_DEBUG_BUGVERBOSE is not enabled. Here is my small patch. diff -r -u linux-2.4.2-ac14.org/include/asm-i386/page.h linux-2.4.2-ac14/include/asm-i386/page.h --- linux-2.4.2-ac14.org/include/asm-i386/page.hThu Mar 8 09:31:45 2001 +++ linux-2

[BUG] vmalloc_area_pages() in 2.4.2-ac25

vmalloc_area_pages() in 2.4.2-ac25 seems to be broken. It calls spin_lock(&init_mm.page_table_lock) twice and causes system hang. inline int vmalloc_area_pages (unsigned long address, unsigned long size, int gfp_mask, pgprot_t prot) { pgd_t * dir;

Re: VFS bug? Trying to free free buffer

Hello, At Fri, 8 Jun 2001 16:42:54 +0300, Alexey Vyskubov wrote: > > Hello. > > Kernel 2.4.5. > > $ sudo mount -o iocharset=garbage /dev/cdrom /cdrom > > VFS: brelse: Trying to free free buffer I think this is the ISOFS's bug. If invalid iocharset is specified as a mount option, isofs_rea

Re: kernel oops when burning CDs

Hello, At Mon, 4 Jun 2001 22:43:30 +0100 (BST), Alan Cox wrote: > > > I get an ooops and immediate kernel panic when I break (CTRL-C) cdrecord. I > > can reproduce it anytime. I use 2.4.5-ac series. Obviously, Linus' 2.4.5 is > > fine. > > I know, I know. I was supposed to make a serios oops

Re: aic7xxx oops with 2.4.5-ac13

Hello, At Thu, 21 Jun 2001 08:15:10, Trevor Hemsley wrote: > > On Thu, 21 Jun 2001 03:05:02, "Jeff V. Merkey" > <[EMAIL PROTECTED]> wrote: > > > Ditto. I am also seeing this oops calling the sg driver for a > > robotic tape library, and it also seems to happen on 2.4.4. > > In my case it a

Re: bugreport: poll() timeout always takes 10ms too long

Hello, At Fri, 22 Jun 2001 11:52:12 +1000, [EMAIL PROTECTED] wrote: > > [1.] One line summary of the problem: > > poll() timeout always takes 10ms too long > > [2.] Full description of the problem/report: > > Select() timeouts work fine. A timeout between 10n-9 and 10n ms times > out af

Re: ac17 "kernel BUG at slab.c:1244!"

Hello, At Fri, 22 Jun 2001 15:01:43 +, Gav wrote: > > This second one was immediately after rebooting, and hard locked at getty. > > kernel BUG at slab.c:1244! > invalid operand: > CPU:0 > EIP:0010:[] > EFLAGS: 00010082 > eax: 001b ebx: c187f788 ecx: 0001 edx: 00