Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-12-19 Thread Christoph Rohland
Hi Kevin, On 19 Dec 2000, Kevin Buhr wrote: > The code in Enlightenment did a complete > shmget/shmat/shmctl(RMID)/shmdt cycle, so that segment *was* being > constantly deleted. The Mozilla ones stuck around. The particular > address that was being reference in the shm_nopage_core call >

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-12-19 Thread Kevin Buhr
Christoph Rohland <[EMAIL PROTECTED]> writes: > > I am just running a stress test on 2.4.0-test13-pre3 + appended patch > without problems. Is the shm segment deleted sometimes or is it always > the same segment? IIRC, in my particular crash case, the Enlightenment window manager was using the

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-12-19 Thread Christoph Rohland
Hi Kevin, On 26 Nov 2000, Kevin Buhr wrote: > The fact that this has crashed once in all the time I've been using > this setup would seem to imply a very subtle race condition. Ugh. I am just running a stress test on 2.4.0-test13-pre3 + appended patch without problems. Is the shm segment

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-12-19 Thread Christoph Rohland
Hi Kevin, On 26 Nov 2000, Kevin Buhr wrote: The fact that this has crashed once in all the time I've been using this setup would seem to imply a very subtle race condition. Ugh. I am just running a stress test on 2.4.0-test13-pre3 + appended patch without problems. Is the shm segment deleted

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-12-19 Thread Kevin Buhr
Christoph Rohland [EMAIL PROTECTED] writes: I am just running a stress test on 2.4.0-test13-pre3 + appended patch without problems. Is the shm segment deleted sometimes or is it always the same segment? IIRC, in my particular crash case, the Enlightenment window manager was using the X

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-12-19 Thread Christoph Rohland
Hi Kevin, On 19 Dec 2000, Kevin Buhr wrote: The code in Enlightenment did a complete shmget/shmat/shmctl(RMID)/shmdt cycle, so that segment *was* being constantly deleted. The Mozilla ones stuck around. The particular address that was being reference in the shm_nopage_core call

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-11-26 Thread Kevin Buhr
Christoph Rohland <[EMAIL PROTECTED]> writes: > > > I use a SysReq patch to do an oops-style dump instead of the usual > > "showPc" function, so I was able to copy a stack dump down. > > Could you send me the patch? Does it do the dump on all cpus? You can grab it at:

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-11-26 Thread Christoph Rohland
Hi Kevin, [EMAIL PROTECTED] (Kevin Buhr) writes: > I know no way to reproduce it. I've been using "test5" reliably since > just after its release, and I've triggered this bug only the one time. That's what I feared :-( > I use a SysReq patch to do an oops-style dump instead of the usual >

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-11-26 Thread Christoph Rohland
Hi Kevin, [EMAIL PROTECTED] (Kevin Buhr) writes: I know no way to reproduce it. I've been using "test5" reliably since just after its release, and I've triggered this bug only the one time. That's what I feared :-( I use a SysReq patch to do an oops-style dump instead of the usual

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-11-26 Thread Kevin Buhr
Christoph Rohland [EMAIL PROTECTED] writes: I use a SysReq patch to do an oops-style dump instead of the usual "showPc" function, so I was able to copy a stack dump down. Could you send me the patch? Does it do the dump on all cpus? You can grab it at:

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-11-25 Thread Kevin Buhr
Christoph Rohland <[EMAIL PROTECTED]> writes: > > This is the first report of such corruption. If it's real it is _not_ > fixed between test5 and test11. There is probably no way to reproduce > it since you ask if it's fixed in test11, right? I know no way to reproduce it. I've been using

Re: 2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-11-25 Thread Christoph Rohland
Hi Kevin, [EMAIL PROTECTED] (Kevin Buhr) writes: > The SHM locking has thwarted my attempts at understanding. Maybe > someone else can see the bug or reassure me that it's already been > fixed in test11? This is the first report of such corruption. If it's real it is _not_ fixed between test5

Re: 2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-11-25 Thread Christoph Rohland
Hi Kevin, [EMAIL PROTECTED] (Kevin Buhr) writes: The SHM locking has thwarted my attempts at understanding. Maybe someone else can see the bug or reassure me that it's already been fixed in test11? This is the first report of such corruption. If it's real it is _not_ fixed between test5 and

2.4.0-test5 bug: invalid "shmid_kernel" passed to "shm_nopage_core"

2000-11-24 Thread Kevin Buhr
I've been chasing after a bug in 2.4.0-test5 that I can't quite nail down. I don't see anything obvious between test5 and test11 that leads me to believe it's been fixed. I encountered a lockup on my SMP box. One CPU got stuck in a spinlock via the following call trace. There were enough args

2.4.0-test5 bug: invalid shmid_kernel passed to shm_nopage_core

2000-11-24 Thread Kevin Buhr
I've been chasing after a bug in 2.4.0-test5 that I can't quite nail down. I don't see anything obvious between test5 and test11 that leads me to believe it's been fixed. I encountered a lockup on my SMP box. One CPU got stuck in a spinlock via the following call trace. There were enough args