linux-kernel - Re: [BUG] 2.6.23-rc3 can't see sd partitions on Alpha

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Message-Id: <20071206163305.c3587675.akpm@linux-foundation.org>
Date:	Thu, 6 Dec 2007 16:33:05 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	rct@...s.com (Bob Tracy)
Cc:	mingo@...e.hu, mcree@...on.net.nz, linux-kernel@...r.kernel.org,
	rjw@...k.pl, rth@...ddle.net, ink@...assic.park.msu.ru,
	linux-scsi@...r.kernel.org, kay.sievers@...y.org, greg@...ah.com
Subject: Re: [BUG] 2.6.23-rc3 can't see sd partitions on Alpha

On Thu, 6 Dec 2007 18:16:12 -0600 (CST)
rct@...s.com (Bob Tracy) wrote:

> OK.  Finally have this thing painted into a corner: git has identified
> 6f37ac793d6ba7b35d338f791974166f67fdd9ba as the first bad commit.
> 
> >From "git bisect log", this corresponds to 
> 
> # bad: [6f37ac793d6ba7b35d338f791974166f67fdd9ba] Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
> 
> Here's the full log:
> 
> git-bisect start
> # good: [9aae299f7fd1888ea3a195cfe0edef17bb647415] Linux 2.6.24-rc2
> git-bisect good 9aae299f7fd1888ea3a195cfe0edef17bb647415
> # bad: [f05092637dc0d9a3f2249c9b283b973e6e96b7d2] Linux 2.6.24-rc3
> git-bisect bad f05092637dc0d9a3f2249c9b283b973e6e96b7d2
> # good: [e6a5c27f3b0fef72e528fc35e343af4b2db790ff] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
> git-bisect good e6a5c27f3b0fef72e528fc35e343af4b2db790ff
> # good: [42614fcde7bfdcbe43a7b17035c167dfebc354dd] vmstat: fix section mismatch warning
> git-bisect good 42614fcde7bfdcbe43a7b17035c167dfebc354dd
> # bad: [a052f4473603765eb6b4c19754689977601dc1d1] Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/x86
> git-bisect bad a052f4473603765eb6b4c19754689977601dc1d1
> # good: [d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5] CRISv10 improve and bugfix fasttimer
> git-bisect good d8e5219f9f5ca7518eb820db9f3d287a1d46fcf5
> # good: [d90bf5a976793edfa88d3bb2393f0231eb8ce1e5] [NET]: rt_check_expire() can take a long time, add a cond_resched()
> git-bisect good d90bf5a976793edfa88d3bb2393f0231eb8ce1e5
> # good: [2a113281f5cd2febbab21a93c8943f8d3eece4d3] kconfig: use $K64BIT to set 64BIT with all*config targets
> git-bisect good 2a113281f5cd2febbab21a93c8943f8d3eece4d3
> # good: [2e2cd8bad6e03ceea73495ee6d557044213d95de] CRISv10 memset library add lineendings to asm
> git-bisect good 2e2cd8bad6e03ceea73495ee6d557044213d95de
> # bad: [6f37ac793d6ba7b35d338f791974166f67fdd9ba] Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
> git-bisect bad 6f37ac793d6ba7b35d338f791974166f67fdd9ba
> # good: [2f1f53bdc6531696934f6ee7bbdfa2ab4f4f62a3] CRISv10 fasttimer: Scrap INLINE and name timeval_cmp better
> git-bisect good 2f1f53bdc6531696934f6ee7bbdfa2ab4f4f62a3

commit 6f37ac793d6ba7b35d338f791974166f67fdd9ba
Merge: 2f1f53b... d90bf5a...
Author: Linus Torvalds <torvalds@...dy.linux-foundation.org>
Date:   Wed Nov 14 18:51:48 2007 -0800

    Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/n
    
    * 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
      [NET]: rt_check_expire() can take a long time, add a cond_resched()
      [ISDN] sc: Really, really fix warning
      [ISDN] sc: Fix sndpkt to have the correct number of arguments
      [TCP] FRTO: Clear frto_highmark only after process_frto that uses it
      [NET]: Remove notifier block from chain when register_netdevice_notifier f
      [FS_ENET]: Fix module build.
      [TCP]: Make sure write_queue_from does not begin with NULL ptr
      [TCP]: Fix size calculation in sk_stream_alloc_pskb
      [S2IO]: Fixed memory leak when MSI-X vector allocation fails
      [BONDING]: Fix resource use after free
      [SYSCTL]: Fix warning for token-ring from sysctl checker
      [NET] random : secure_tcp_sequence_number should not assume CONFIG_KTIME_S
      [IWLWIFI]: Not correctly dealing with hotunplug.
      [TCP] FRTO: Plug potential LOST-bit leak
      [TCP] FRTO: Limit snd_cwnd if TCP was application limited
      [E1000]: Fix schedule while atomic when called from mii-tool.
      [NETX]: Fix build failure added by 2.6.24 statistics cleanup.
      [EP93xx_ETH]: Build fix after 2.6.24 NAPI changes.
      [PKT_SCHED]: Check subqueue status before calling hard_start_xmit

I'm struggling to see how any of those could have broken block device
mounting on alpha.  Are you sure you bisected right?

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