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Re: HyperSPARC patches (?)

Jurij Smakov a écrit :
On Tue, 11 Apr 2006, Ludovic Court�s wrote:

Just in case it is of interest to you, I got the same sort of problem
with an SS20 equipped with 2 SuperSPARCs, 2 hard disks and a 2.6 kernel:


I haven't had time to dig into it any further so far.

Ok, I did some digging. Since people also see this bug on Ultra1, it must be esp-specific. Most recent change to esp.c dates to February 2006, all other changes are over a year old, so it's pretty unlikely that they are the cause of this problem. The recent change [0], on the other hand, looks pretty suspicious to me, since it changes the locking order. I've built a kernel with this change reverted, and was not able to crash the machine by running two concurrent loops of unpacking/removing the kernel tree for an hour. I'd appreciate if you could test this kernel, it is available at [1]. By the way, this problem has been also reported to kernel's bugzilla
as bug 6344 [2].

Thanks. But I cannot try on my SS20 (HyperSPARC) due to a bug in initramfs-tools (HyperSPARC cannot use a ramfs to boot). Can you send to me a patch file with your fixes ?



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