Re: Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-18 Thread Brad Campbell
Mikael Pettersson wrote: I don't think sata_promise is the guilty party here. Looks like some layer above sata_promise got confused about the state of the interface. But locking up hard after hardreset is a problem of sata_promise, no? Maybe, maybe not. The original report doesn't specify whe

Re: Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-18 Thread Tejun Heo
Mikael Pettersson wrote: > FWIW, I'm seeing scsi layer accesses (cache flushes) after things > like rmmod sata_promise. They error out and don't seem to cause > any harm, but the fact that they occur at all makes me nervous. That's okay. On rmmod, as the low level device (ATA) goes away first jus

Re: Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-18 Thread Mikael Pettersson
On Mon, 18 Jun 2007 16:09:49 +0900, Tejun Heo wrote: > Mikael Pettersson wrote: > > On Sat, 16 Jun 2007 15:52:33 +0400, Brad Campbell wrote: > >> I've got a box here based on current Debian Stable. > >> It's got 15 Maxtor SATA drives in it on 4 Promise TX4 controllers. > >> > >> Using kernel 2.6.21

Re: Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-18 Thread Tejun Heo
Hello, Mikael Pettersson wrote: > On Sat, 16 Jun 2007 15:52:33 +0400, Brad Campbell wrote: >> I've got a box here based on current Debian Stable. >> It's got 15 Maxtor SATA drives in it on 4 Promise TX4 controllers. >> >> Using kernel 2.6.21.x it shuts down, but of course with a huge "clack" as 15

Re: Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-16 Thread Mikael Pettersson
On Sat, 16 Jun 2007 15:52:33 +0400, Brad Campbell wrote: > I've got a box here based on current Debian Stable. > It's got 15 Maxtor SATA drives in it on 4 Promise TX4 controllers. > > Using kernel 2.6.21.x it shuts down, but of course with a huge "clack" as 15 > drives all do emergency > head pa

Machine hanging on synchronize cache on shutdown 2.6.22-rc4-git[45678]

2007-06-16 Thread Brad Campbell
G'day all, I've got a box here based on current Debian Stable. It's got 15 Maxtor SATA drives in it on 4 Promise TX4 controllers. Using kernel 2.6.21.x it shuts down, but of course with a huge "clack" as 15 drives all do emergency head parks simultaneously. I thought I'd upgrade to 2.6.22-rc to