Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Eric W. Biederman
Linus Torvalds <[EMAIL PROTECTED]> writes: > On Mon, 29 Jan 2007, Auke Kok wrote: >> >> Yes. A few hundred cycles of loading/unloading snd_hda_intel with >> enable_msi=1 >> didn't break it on i386. >> >> I sure hope this can get into 2.6.20! > > Eric, can you write an explanation, add your

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Linus Torvalds
On Mon, 29 Jan 2007, Auke Kok wrote: > > Yes. A few hundred cycles of loading/unloading snd_hda_intel with enable_msi=1 > didn't break it on i386. > > I sure hope this can get into 2.6.20! Eric, can you write an explanation, add your sign-off, Auke's ACK, and send out the result? The patch

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok <[EMAIL PROTECTED]> writes: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok [EMAIL PROTECTED] writes: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Linus Torvalds
On Mon, 29 Jan 2007, Auke Kok wrote: Yes. A few hundred cycles of loading/unloading snd_hda_intel with enable_msi=1 didn't break it on i386. I sure hope this can get into 2.6.20! Eric, can you write an explanation, add your sign-off, Auke's ACK, and send out the result? The patch looked

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-29 Thread Eric W. Biederman
Linus Torvalds [EMAIL PROTECTED] writes: On Mon, 29 Jan 2007, Auke Kok wrote: Yes. A few hundred cycles of loading/unloading snd_hda_intel with enable_msi=1 didn't break it on i386. I sure hope this can get into 2.6.20! Eric, can you write an explanation, add your sign-off, Auke's

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok <[EMAIL PROTECTED]> writes: I highly doubt it - I've seen the problem even on this weeks git on x86_64. Moreover, I'm at home for the weekend and testing resources are limited :). I'll see what I can do Thanks. There may be more to it than what I suspect,

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Eric W. Biederman
Auke Kok <[EMAIL PROTECTED]> writes: > I highly doubt it - I've seen the problem even on this weeks git on > x86_64. Moreover, I'm at home for the weekend and testing resources are > limited > :). I'll see what I can do Thanks. There may be more to it than what I suspect, but I could not

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok <[EMAIL PROTECTED]> writes: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Eric W. Biederman
Auke Kok <[EMAIL PROTECTED]> writes: > Hi, > > I've established a regression in the MSI vector/irq allocation routine for > both > i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for > serveral minutes which allocates msi vectors and frees them. These tests have > been

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Eric W. Biederman
Auke Kok [EMAIL PROTECTED] writes: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These tests have been running

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok [EMAIL PROTECTED] writes: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Eric W. Biederman
Auke Kok [EMAIL PROTECTED] writes: I highly doubt it - I've seen the problem even on this weeks git on x86_64. Moreover, I'm at home for the weekend and testing resources are limited :). I'll see what I can do Thanks. There may be more to it than what I suspect, but I could not reproduce

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-27 Thread Auke Kok
Eric W. Biederman wrote: Auke Kok [EMAIL PROTECTED] writes: I highly doubt it - I've seen the problem even on this weeks git on x86_64. Moreover, I'm at home for the weekend and testing resources are limited :). I'll see what I can do Thanks. There may be more to it than what I suspect, but

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-26 Thread Auke Kok
Auke Kok wrote: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These tests have been running fine until 2.6.19.

Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-26 Thread Auke Kok
Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These tests have been running fine until 2.6.19. git-bisecting I've

Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-26 Thread Auke Kok
Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These tests have been running fine until 2.6.19. git-bisecting I've

Re: Possible regression: MSI vector leakage since 2.6.18-rc5ish (Unable to repeatedly allocate/free MSI interrupt)

2007-01-26 Thread Auke Kok
Auke Kok wrote: Hi, I've established a regression in the MSI vector/irq allocation routine for both i386 and x86_64. Our test labs repeatedly modprobe/rmmod the e1000 driver for serveral minutes which allocates msi vectors and frees them. These tests have been running fine until 2.6.19.