5.3-STABLE: handle_workitem_freefile panic

[Dmitry Morozovsky]

On Mon, 24 Jan 2005, Dmitry Morozovsky wrote:

DM> PJD> +> However: how can the be achieved the following goal: have mirrored swap (to 
DM> PJD> +> keep redundancy and HA) and a place to dump panic images to, modulo having 
DM> PJD> +> scratch disk and/or scratch unused partition?
DM> PJD> 
DM> PJD> When you have dedicated mirror only for swap (e.g. mirror on ad0s1b and
DM> PJD> ad2s1b) you probably should be able to dump into ad[02]s1b (but I didn't
DM> PJD> test it).
DM> 
DM> Well, dumpon -v /dev/ad4b (which is part of /dev/mirror/m0b with /dev/ad6b) 
DM> says it will dump on that, but:
DM> 
DM> 1) it cannot read it on boot:
DM> 
DM>  Checking for core dump on /dev/ad4b ...
DM> savecore: /dev/ad4b: Operation not permitted
DM> savecore: no dumps found
DM> 
DM> 2) entering ddb via Ctrl+Alt+Esc and issuin 'panic' command hangs the machine 
DM> hard.
DM> 
DM> I'll test dumps on non-gmirrored disks tomorrow.

Hmm, it cannot either. 'panic' from DDB prints stack trace, destroys all 
gmirror providers, and then locks hard.

It's on 

Jan 25 17:07:20 <kern.crit> donkey kernel: atapci0: <VIA 6420 SATA150 controller> port 0xa800-0xa8ff,0xb000-0xb00f,0xb400-0xb403,0xb800-0xb807,0xd000-0xd003,0xd400-0xd407 irq 20 at device 15.0 on pci0
Jan 25 17:07:20 <kern.crit> donkey kernel: ata2: channel #0 on atapci0
Jan 25 17:07:20 <kern.crit> donkey kernel: ata3: channel #1 on atapci0
Jan 25 17:07:20 <kern.crit> donkey kernel: atapci1: <VIA 8237 UDMA133 
controller> port 0xa400-0xa40f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 irq 20 at 
device 15.1 on pci0
Jan 25 17:07:20 <kern.crit> donkey kernel: ata0: channel #0 on atapci1
Jan 25 17:07:20 <kern.crit> donkey kernel: ata1: channel #1 on atapci1
Jan 25 17:07:20 <kern.crit> donkey kernel: ad4: 238475MB <WDC WD2500PD-00FZB1/05.05G05> [484521/16/63] at ata2-master SATA150
Jan 25 17:07:20 <kern.crit> donkey kernel: ad6: 238475MB <WDC WD2500PD-00FZB1/05.05G05> [484521/16/63] at ata3-master SATA150

and I was tried to dump on ad4b

Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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